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<td valign="top">当前位置:<a href=/u/meijia/index_zh-cn.html >网站首页</a>><a href=/u/meijia/jswx/index.html target=_main>技术文?/a></td>
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<td height="26"><strong>甲醛清除?/strong> </td>
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<td valign="top" align="left"><blockquote dir="ltr" style="MARGIN-RIGHT: 0px"><span style="FONT-SIZE: 10.5pt">
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<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font face="宋体" color="#000080" size="3">1 </font></p>
<p style="TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">本标准规定了甲醛清除剂的要求、实验方法、检验标准、检验规则及标志、包装、运输、储存?/font></span></p>
<p style="TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">本标准适用于甲醛清除剂，用于清除室内甲醛污染。适用于含醛类的板材及有醛类的粘合剂，胶水?/font></span></p>
<p style="TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">服装，布料地毯、家具等?/font></span></p>
<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">2 </span><span style="FONT-SIZE: 10.5pt">规范性引用文?/span></font></font></font></p>
<p style="MARGIN: 0cm 55.2pt 0pt 0cm; TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的</font></span></p>
<p style="MARGIN: 0cm 55.2pt 0pt 0cm; TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">修改单（不包括勘误的内容）或修订版均适用于本标准，然而，鼓励根据本标准达成协议的各方研究?/font></span></p>
<p style="MARGIN: 0cm 55.2pt 0pt 0cm; TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准?/font></span></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB/T191-2000 </span><span style="FONT-SIZE: 10.5pt">包装储运图示标志</span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB5296.1-1997 </span><span style="FONT-SIZE: 10.5pt">消费品使用说?nbsp;总则</span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB/T6682-1992 </span><span style="FONT-SIZE: 10.5pt">分析实验室用水规则和试验方法</span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB/T1250-1989 </span><span style="FONT-SIZE: 10.5pt">极限数值的表示方法和判定方?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB18580-2001 </span><span style="FONT-SIZE: 10.5pt">人造板及其制品中甲醛释放限?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB50325-2001 </span><span style="FONT-SIZE: 10.5pt">民用建筑工程室内环境污染物控制规?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB18204.26-2000 </span><span style="FONT-SIZE: 10.5pt">公共场所空气中甲醛测定方?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB18582-2001 </span><span style="FONT-SIZE: 10.5pt">室内装饰装修材料内墙涂料中有害物质限?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">GB/T9758-1988 </span><span style="FONT-SIZE: 10.5pt">色漆和清?ldquo;可溶?rdquo;金属含量的测?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">JJF1001-1998 </span><span style="FONT-SIZE: 10.5pt">通用计量术语及定?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">国家质量监督检验检疫总局?5号令?005）定量包装商品计量监督管理方?/font></span></p>
<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">3 </span><span style="FONT-SIZE: 10.5pt">要求</span></font></font></font></p>
<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">3.1 </span><span style="FONT-SIZE: 10.5pt">外观要求</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">3.1.1 </span><span style="FONT-SIZE: 10.5pt">颜色为无色透明液体?/span></font></font></font></p>
<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">3.1.2</span><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">透明度为半透明?/span></font></font></font></p>
<p style="TEXT-INDENT: 72.05pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">3.2 </span><span style="FONT-SIZE: 10.5pt">理化指标</span></font></font></font></p>
<p><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">甲醛清除剂的理化指标应符合表1要求?/span></font></font></font></p>
<p align="center"><strong><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">?.理化指标</font></span></strong></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">项目</font></span></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">指标</font></span></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">固体含量%≥</font></span></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">12</font></span></p>
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<p align="center"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">PH</span><span style="FONT-SIZE: 10.5pt">?/span></font></font></font></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">5.5-7.0</font></span></p>
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<p align="center"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">甲醛清除?48</span><span style="FONT-SIZE: 10.5pt">h%</span><span style="FONT-SIZE: 10.5pt">)</span><span style="FONT-SIZE: 10.5pt">≥</span></font></font></font></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">85</font></span></p>
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<p align="center"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">?mg/kg)</span><span style="FONT-SIZE: 10.5pt"> ≤</span></font></font></font></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">20.0</font></span></p>
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<p align="center"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">?mg/kg)</span><span style="FONT-SIZE: 10.5pt"> ≤</span></font></font></font></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">20.0</font></span></p>
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<p align="center"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">?mg/kg)</span><span style="FONT-SIZE: 10.5pt"> ≤</span></font></font></font></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">20.0</font></span></p>
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<p align="center"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">?mg/kg)</span><span style="FONT-SIZE: 10.5pt"> ≤</span></font></font></font></p>
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<p align="center"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">5.0</font></span></p>
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<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">3.3</span><span style="FONT-SIZE: 10.5pt">净含量</span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">?/span><span style="FONT-SIZE: 10.5pt">国家质量监督检验检疫总局?5号令?005），计量检验不小于1000ml?/span></font></font></font></p>
<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font face="宋体" color="#000080" size="3"> </font></p>
<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font face="宋体" color="#000080" size="3"> </font></p>
<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font face="宋体" color="#000080" size="3"> </font></p>
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<p style="MARGIN: 0cm 55.2pt 0pt 72pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4 </span><span style="FONT-SIZE: 10.5pt">试验方法</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.1 </span><span style="FONT-SIZE: 10.5pt">试剂制备</span></font></font></font></p>
<p style="TEXT-INDENT: 92.5pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">分析中仅能用分析纯以上试剂，所有水应符合GB/T6682-1992中三级水要求?/font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.2 </span><span style="FONT-SIZE: 10.5pt">试样制备</span></font></font></font></p>
<p style="TEXT-INDENT: 92.4pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">按本标准5.2采样和制备试样?/font></span></p>
<p style="TEXT-INDENT: 71.6pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.3 </span><span style="FONT-SIZE: 10.5pt">外观检?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">用目视法检验其外观?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.6pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.4</span><span style="FONT-SIZE: 10.5pt">固体含量的测?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.4.1</span><span style="FONT-SIZE: 10.5pt">测定原理</span></font></font></font></p>
<p style="MARGIN: 0cm 0cm 0pt 27.35pt; TEXT-INDENT: 62.6pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">将甲醛清除剂放于干燥箱中干燥，所得物即为有效固体含量?/font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.4.2</span><span style="FONT-SIZE: 10.5pt">试验设备</span></font></font></font></p>
<p style="TEXT-INDENT: 86.95pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">恒温干燥箱，温控精度±1?/font></span></p>
<p style="TEXT-INDENT: 86.95pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">分析天平，感量为0.01g</font></span></p>
<p style="TEXT-INDENT: 86.95pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">容量瓶（化学分析用）</font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.4.3</span><span style="FONT-SIZE: 10.5pt">试验步骤</span></font></font></font></p>
<p style="TEXT-INDENT: 86.95pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">将称量瓶称重，并于其中加入约2.0g的甲醛清除剂原液称重连同称重瓶一并放入干燥箱中，（设?/font></span></p>
<p style="TEXT-INDENT: 63pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">温度90℃）烘干4小时，等水分蒸干后，再于120℃烘?小时称重?/font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.4.4</span><span style="FONT-SIZE: 10.5pt">计算方法</span></font></font></font></p>
<p><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3"> B</font></span></p>
<p style="TEXT-INDENT: 120.75pt"><span style="FONT-SIZE: 10.5pt"><font size="3"><font color="#000080"><font face="宋体">固体含量??<span> </span>×100%<span> </span></font></font></font></span></p>
<p style="TEXT-INDENT: 42pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3"> A</font></span></p>
<p style="MARGIN: 0cm 0cm 0pt 60pt; TEXT-INDENT: 57pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">A-<span style="FONT: 7pt 'Times New Roman'"> </span></span><span style="FONT-SIZE: 10.5pt">甲醛清除剂重</span></font></font></font></p>
<p style="MARGIN: 0cm 0cm 0pt 60pt; TEXT-INDENT: 57pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">B-<span style="FONT: 7pt 'Times New Roman'"> </span></span><span style="FONT-SIZE: 10.5pt">干燥后重（称量瓶+甲醛清除剂）－称量瓶?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.5 PH</span><span style="FONT-SIZE: 10.5pt">的测?/span></font></font></font></p>
<p style="TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">将规定的指示电极和参比电极浸入同一被测溶液中，构成一原电池，其电动势与溶液的PH值有关，</font></span></p>
<p style="TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">通过测量原电池的电动势即可得出溶液的PH值?/font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.5.1</span><span style="FONT-SIZE: 10.5pt">试验仪器</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.5.1.1</span><span style="FONT-SIZE: 10.5pt">酸度计：精度0.1PH单位</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.5.1.2</span><span style="FONT-SIZE: 10.5pt">磁力搅拌?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.5.2</span><span style="FONT-SIZE: 10.5pt">试验步骤</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.5.2.1</span><span style="FONT-SIZE: 10.5pt">取带刻度500ml的烧杯，加入常温甲醛清除?00ml，把盛有试样的烧杯放于磁力搅拌器上，</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">开启搅拌，用新校正的酸度计测定溶液的PH值，记下测定值?/font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.5.2.2</span><span style="FONT-SIZE: 10.5pt">结果的表?/span></font></font></font></p>
<p><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">两次平行测定的结果均在指标要求范围内取其算术平均值为其最终的测定结果?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.6</span><span style="FONT-SIZE: 10.5pt">甲醛清除率的测定</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.6.1</span><span style="FONT-SIZE: 10.5pt">原理</span></font></font></font></p>
<p style="TEXT-INDENT: 86.95pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">利用干燥器法分别收集未处理的和经甲醛清除剂处理的试件的吸收溶液作为试验溶液，用分光光</font></span></p>
<p style="TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">度计测定其吸光度，由预先绘制的标准曲线求得甲醛的含量，利用数值差计算出甲醛清除率?/font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.6.2</span><span style="FONT-SIZE: 10.5pt">仪器</span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.6.2.1</span><span style="FONT-SIZE: 10.5pt">金属支架及试件、结晶皿?/span></font></font></font></p>
<p style="TEXT-INDENT: 113.2pt"><span style="FONT-SIZE: 10.5pt"><font face="宋体" color="#000080" size="3">试件：人造板，长L=150mm；宽B=50mm?/font></span></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.6.2.2</span><span style="FONT-SIZE: 10.5pt">水槽?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.6.2.3</span><span style="FONT-SIZE: 10.5pt">分光光度计?/span></font></font></font></p>
<p style="TEXT-INDENT: 71.9pt"><font size="3"><font color="#000080"><font face="宋体"><span style="FONT-SIZE: 10.5pt">4.6.2.4</span><span style="FONT-SIZE: 10.5pt">天平：感?.01g?.0001g?/span></font></font></font></p>
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<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.6.2.5</span><span style="FONT-SIZE: 10.5pt">玻璃器皿?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——碘价瓶，500mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——单标线移液管?.1?.0?5?0?00mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——棕色酸式滴定管，50mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——棕色碱式滴定管，50mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——量筒?0?0?00?50?00mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——干燥器，直径240mm，容?—11L?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——表面皿，直径?2—15cm?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——白色容量瓶，100?000?000mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——棕色容量瓶，1000mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——带塞三角烧瓶?0?00mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——烧杯?00?50?00?000mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——棕色细口瓶，1000mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——滴瓶?0mL?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——玻璃研钵，直?0—12cm?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——结晶皿，直径120mm，高?0mm?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2.6</span><span style="FONT-SIZE: 10.5pt">小口塑料瓶，500?000mL?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2.7</span><span style="FONT-SIZE: 10.5pt">试剂</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——碘化钾，分析纯；</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——重铬酸钾，优级纯?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——硫代硫酸钠，分析纯；</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——碘化汞，分析纯；</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——无水碳酸钠，分析纯；</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——硫酸，分析纯?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——盐酸，分析纯?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——氢氧化钠，分析纯?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——碘，分析纯；</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——可溶性淀粉，分析纯；</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——乙酰丙酮，优级纯?/span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——乙酸铵，优级纯；</span></div>
<div style="TEXT-INDENT: 115.5pt"><span style="FONT-SIZE: 10.5pt">——甲醛溶液，分析纯?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2 </span><span style="FONT-SIZE: 10.5pt">测量步骤</span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2.1</span><span style="FONT-SIZE: 10.5pt">试剂制备</span></div>
<div style="TEXT-INDENT: 92.2pt"><span style="FONT-SIZE: 10.5pt">试剂：依据GB/T18580-2001中试剂制备方法制备；</span></div>
<div style="TEXT-INDENT: 92.2pt"><span style="FONT-SIZE: 10.5pt">试件：根据尺寸要求（</span><span style="FONT-SIZE: 10.5pt">长L=150mm；宽B=50mm）制?0片人造板试件，其中取10片为一组，</span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">未经任何处理，编号X；另10片为一组，经甲醛清除剂（用量为50g/m<sup>2</sup>）处理，放置48h晾干?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">编号为Y?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2.2</span><span style="FONT-SIZE: 10.5pt">甲醛的收?/span></div>
<div style="TEXT-INDENT: 95.25pt"><span style="FONT-SIZE: 10.5pt">分别在两套直径为240mm（容?—11L）的干燥器底部各放置直径?20mm、高度为60mm的结?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">皿，在结晶皿内加?00mL蒸馏水，在干燥器上部放置金属支架，金属支架上分别固定X、Y试件?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">试件之间互不接触。测定装置在?0</span><span style="FONT-SIZE: 10.5pt">?plusmn;2℃）下放?4h，蒸馏水吸收从试件释放出的甲醛，此溶?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">作为待测液，分别标注为O<sub>X</sub>、O<sub>Y</sub>?/span></div>
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<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2.3</span><span style="FONT-SIZE: 10.5pt">甲醛含量的定量方?/span></div>
<div style="TEXT-INDENT: 97.45pt"><span style="FONT-SIZE: 10.5pt">量取10mL乙酰丙酮（体积百分含?.4%）和10mL乙酸铵（质量百分含量20%）于50mL带塞?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">角瓶中，再从结晶皿中移取10mL待测液该烧瓶中。塞上瓶塞，摇匀，再放到?0</span><span style="FONT-SIZE: 10.5pt">±2℃）的水槽中?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">?5min。然后把这种黄绿色的溶液静置暗处，冷却至室温?8-28℃，?h）。在分光光度计上412nm</span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">处，以蒸馏水作为对比溶液，调零。用厚度?.5cm的比色皿分贝测定吸收溶液O<sub>X</sub>的吸光度，记为A<sub>SX</sub>?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">同时用蒸馏水代替吸收液作空白试验，确定空白值A<sub>bx</sub>?/span></div>
<div style="TEXT-INDENT: 97.45pt"><span style="FONT-SIZE: 10.5pt">重复以上步骤，测定吸收溶液O<sub>Y</sub>的吸光度，记为A<sub>SY</sub>；同时用蒸馏水代替吸收液作空白试验，确定</span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">空白值A<sub>by</sub>?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2.4</span><span style="FONT-SIZE: 10.5pt">标准曲线的绘?/span></div>
<div style="TEXT-INDENT: 97.45pt"><span style="FONT-SIZE: 10.5pt">?0mL具塞比色管，用甲醛标准溶液按?制备标准系列?/span></div>
<div align="center"><strong><span style="FONT-SIZE: 10.5pt">?甲醛标准系列</span></strong></div>
<div align="center">
<table style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" border="1">
<tbody>
<tr>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">管号</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">1</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">2</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">3</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">4</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">5</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">6</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">7</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">8</span></div>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">标准溶液，mL</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.00</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.10</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.20</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.40</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.60</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.80</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">1.00</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">1.50</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">2.00</span></div>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">吸收液，Ml</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">5.0</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">4.9</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">4.8</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">4.6</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">4.4</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">4.2</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">4.0</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">3.5</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">3.0</span></div>
</td>
</tr>
<tr>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">甲醛含量?micro;g</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.1</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.2</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.4</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.6</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">0.8</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">1.0</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">1.5</span></div>
</td>
<td style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent">
<div align="center"><span style="FONT-SIZE: 10.5pt">2.0</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div style="TEXT-INDENT: 94.5pt"><span style="FONT-SIZE: 10.5pt">用碘量法测定甲醛溶液含量，并进行甲醛溶液校定。把0??0?0?0?00mL的甲醛校?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">溶液分别移加?00mL容量瓶中，并用蒸馏水稀释到刻度。然后分别取?0mL溶液，进行分光度?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">量分析。以甲醛含量为横坐标，吸光度为纵坐标，绘制曲线，并计算回归线斜率，以斜率倒数作为?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">品测定的计算因子Bg?micro;g/吸光度），保留四位有效数字?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.2.5</span><span style="FONT-SIZE: 10.5pt">计算吸收液甲醛的含量</span></div>
<div style="TEXT-INDENT: 92.2pt"><span style="FONT-SIZE: 10.5pt">吸收液甲醛的含量按下式计算，精确?.1mg/mL?/span></div>
<div style="TEXT-INDENT: 24pt" align="center"><span style="FONT-SIZE: 10.5pt">C<sub>X</sub>=Bg</span><span style="FONT-SIZE: 10.5pt">?/span><span style="FONT-SIZE: 10.5pt">A<sub>SX</sub>-A<sub>bx</sub></span><span style="FONT-SIZE: 10.5pt">?/span></div>
<div style="TEXT-INDENT: 24pt" align="center"><span style="FONT-SIZE: 10.5pt">C<sub>Y</sub>=Bg</span><span style="FONT-SIZE: 10.5pt">?/span><span style="FONT-SIZE: 10.5pt">A<sub>SY</sub>-A<sub>by</sub></span><span style="FONT-SIZE: 10.5pt">?/span></div>
<div style="TEXT-INDENT: 24pt" align="center"> </div>
<div style="TEXT-INDENT: 92.2pt"><span style="FONT-SIZE: 10.5pt">式中：C——甲醛含量（mg/mL?/span></div>
<div style="TEXT-INDENT: 24pt"><span style="FONT-SIZE: 10.5pt"> Bg</span><span style="FONT-SIZE: 10.5pt">——标准曲线斜率</span><span style="FONT-SIZE: 10.5pt">（mg/mL?/span></div>
<div style="TEXT-INDENT: 24pt"><span style="FONT-SIZE: 10.5pt"> A<sub>S</sub></span><span style="FONT-SIZE: 10.5pt">——待测液的吸光?/span></div>
<div style="TEXT-INDENT: 24pt"><span style="FONT-SIZE: 10.5pt"> A<sub>b</sub></span><span style="FONT-SIZE: 10.5pt">——蒸馏水的吸光度?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">4.6.3</span><span style="FONT-SIZE: 10.5pt">结果计算</span></div>
<div style="TEXT-INDENT: 94.5pt"><span style="FONT-SIZE: 10.5pt">甲醛清除率计算：按下式计算甲醛清除率?/span></div>
<div style="TEXT-INDENT: 24pt"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">（C<sub>X</sub>-C<sub>Y</sub>?/span></div>
<div style="TEXT-INDENT: 152.25pt"><span style="FONT-SIZE: 10.5pt">Q= </span><span style="FONT-SIZE: 10.5pt">×100%</span></div>
<div style="TEXT-INDENT: 24pt"><span style="FONT-SIZE: 10.5pt"> C<sub>X</sub></span></div>
<div style="TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt">式中：Q——甲醛清除率，%?/span></div>
<div><span style="FONT-SIZE: 10.5pt"> C<sub>X</sub></span><span style="FONT-SIZE: 10.5pt">——未处理试件吸收液甲醛的含量；</span></div>
<div><span style="FONT-SIZE: 10.5pt"> C<sub>Y</sub></span><span style="FONT-SIZE: 10.5pt">——处理后试件吸收液甲醛的含量?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7</span><span style="FONT-SIZE: 10.5pt">铅、汞、铬、镉的测?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.1</span><span style="FONT-SIZE: 10.5pt">原理</span></div>
<div><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">甲醛清除剂用0.07mol/L稀盐酸稀释，用火焰原子吸收光谱测定溶液中的金属元素含量?/span></div>
<div style="TEXT-INDENT: 72.05pt"><span style="FONT-SIZE: 10.5pt">4.7.2</span><span style="FONT-SIZE: 10.5pt">试剂</span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.2.1</span><span style="FONT-SIZE: 10.5pt">所用试剂均为分析纯，所用水均符合GB/T6682-1992中三级水的要求?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.2.2</span><span style="FONT-SIZE: 10.5pt">盐酸溶液?.07mol/L?/span></div>
<div style="TEXT-INDENT: 72.05pt"><span style="FONT-SIZE: 10.5pt">4.7.3</span><span style="FONT-SIZE: 10.5pt">仪器</span></div>
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<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.3.1</span><span style="FONT-SIZE: 10.5pt">磁力搅拌器：搅拌子外层应为塑料或玻璃?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.3.2</span><span style="FONT-SIZE: 10.5pt">单刻度移液管?5mL?/span></div>
<div style="TEXT-INDENT: 72.05pt"><span style="FONT-SIZE: 10.5pt">4.7.4</span><span style="FONT-SIZE: 10.5pt">测量步骤</span></div>
<div style="TEXT-INDENT: 94.5pt"><span style="FONT-SIZE: 10.5pt">?mL甲醛清除剂，?.07mol/L稀盐酸稀释至100mL，在室温下搅拌混合液10min，然后静?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">1h</span><span style="FONT-SIZE: 10.5pt">，避光保存，?h内完成测试?/span></div>
<div style="TEXT-INDENT: 72.05pt"><span style="FONT-SIZE: 10.5pt">4.7.5</span><span style="FONT-SIZE: 10.5pt">测定</span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.5.1</span><span style="FONT-SIZE: 10.5pt">可溶性铅含量的测定按</span><span style="FONT-SIZE: 10.5pt">GB/T9758.1-1988</span><span style="FONT-SIZE: 10.5pt">进行?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.5.2</span><span style="FONT-SIZE: 10.5pt">可溶性汞含量的测定按</span><span style="FONT-SIZE: 10.5pt">GB/T9758.7-1988</span><span style="FONT-SIZE: 10.5pt">进行?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.5.3</span><span style="FONT-SIZE: 10.5pt">可溶性铬含量的测定按</span><span style="FONT-SIZE: 10.5pt">GB/T9758.6-1988</span><span style="FONT-SIZE: 10.5pt">进行?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.5.4</span><span style="FONT-SIZE: 10.5pt">可溶性镉含量的测定按</span><span style="FONT-SIZE: 10.5pt">GB/T9758.4-1988</span><span style="FONT-SIZE: 10.5pt">进行?/span></div>
<div style="TEXT-INDENT: 72.05pt"><span style="FONT-SIZE: 10.5pt">4.7.6</span><span style="FONT-SIZE: 10.5pt">结果的表?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.6.1</span><span style="FONT-SIZE: 10.5pt">结果计算</span></div>
<div style="TEXT-INDENT: 97.45pt"><span style="FONT-SIZE: 10.5pt">重金属的含量用下式计算：</span></div>
<div style="TEXT-INDENT: 168pt"><span style="FONT-SIZE: 10.5pt">（A<sub>1</sub>-A<sub>0</sub>?times;25×F</span></div>
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<div style="TEXT-INDENT: 94.5pt"><span style="FONT-SIZE: 10.5pt">式中：C——（铅、汞、铬、镉）可溶性含量，单位为毫克每千克（mg/Kg）；</span></div>
<div><span style="FONT-SIZE: 10.5pt"> A<sub>0</sub></span><span style="FONT-SIZE: 10.5pt">——0.07mol?mol盐酸溶液空白浓度，单位为µg/mL?/span></div>
<div><span style="FONT-SIZE: 10.5pt"> A<sub>1</sub></span><span style="FONT-SIZE: 10.5pt">——从标准曲线中测得的试验溶液（铅、汞、铬、镉）的浓度，单位为µg/mL?/span></div>
<div><span style="FONT-SIZE: 10.5pt"> F</span><span style="FONT-SIZE: 10.5pt">——稀释因子；</span></div>
<div><span style="FONT-SIZE: 10.5pt"> 25</span><span style="FONT-SIZE: 10.5pt">——萃取的盐酸体积，单位为毫升（mL）；</span></div>
<div><span style="FONT-SIZE: 10.5pt"> M</span><span style="FONT-SIZE: 10.5pt">——称取的样品重，单位为克（g）?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">4.7.6.2</span><span style="FONT-SIZE: 10.5pt">结果的表?/span></div>
<div style="TEXT-INDENT: 92.5pt"><span style="FONT-SIZE: 10.5pt">两次平行测定的结果均在指标要求范围内，取其算术平均值为测定结果?/span></div>
<div style="MARGIN: 0cm 0cm 0pt 62.9pt; TEXT-INDENT: 9.05pt"><span style="FONT-SIZE: 10.5pt">4.8 </span><span style="FONT-SIZE: 10.5pt">净含量的测?/span></div>
<div style="MARGIN: 0cm 0cm 0pt 62.9pt; TEXT-INDENT: 27.1pt"><span style="FONT-SIZE: 10.5pt">净含量的测定依据JJF1001-1998标准测定?/span></div>
<div style="MARGIN: 0cm 0cm 0pt 62.9pt; TEXT-INDENT: 9.05pt"><span style="FONT-SIZE: 10.5pt">5 </span><span style="FONT-SIZE: 10.5pt">检验规?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.1</span><span style="FONT-SIZE: 10.5pt">检验类?/span></div>
<div><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">产品检验为出厂检验?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.2 </span><span style="FONT-SIZE: 10.5pt">组批及抽?/span></div>
<div style="TEXT-INDENT: 86.95pt"><span style="FONT-SIZE: 10.5pt">以同一班次同一生产线生产的产品为同一批。依据随机抽样原则，对同批号产品任意抽取5件进?/span></div>
<div style="TEXT-INDENT: 63pt"><span style="FONT-SIZE: 10.5pt">检验鉴定，其中一包装箱为一件产品?/span></div>
<div style="TEXT-INDENT: 81.7pt"><span style="FONT-SIZE: 10.5pt">按GB6678?.6条的规定确定采样件数。每件取样瓶数不少于3瓶，每瓶取样量不少于20ml。每</span></div>
<div style="TEXT-INDENT: 63pt"><span style="FONT-SIZE: 10.5pt">批取样量不少?L。充分混合均匀后分装于两个清洁、干燥的500ml具塞瓶中，贴上标签，注明生产?/span></div>
<div style="TEXT-INDENT: 63pt"><span style="FONT-SIZE: 10.5pt">名、产品名称、批号、采样地和日期、采样人姓名等，一瓶送化验室分析，一瓶保存三个月备查?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.3 </span><span style="FONT-SIZE: 10.5pt">出厂检?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.3.1</span><span style="FONT-SIZE: 10.5pt">本标准中质量合格与否判定采用GB/T1250-1989中修约数值比较法。每批产品出厂时都应附有</span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">质量证明书，内容包括：生产企业名称、生产日期、批号和标准编号?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.3.2</span><span style="FONT-SIZE: 10.5pt">产品出厂前应逐批经质检部门检验合格，并签发合格证后方能出厂?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.3.3</span><span style="FONT-SIZE: 10.5pt">出厂检验项目为外观及理化指标?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.3.4</span><span style="FONT-SIZE: 10.5pt">用户有权按照本标准的要求和规定检验收到的光触媒喷涂液是否符合本标准的要求?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.4 </span><span style="FONT-SIZE: 10.5pt">复验</span></div>
<div style="TEXT-INDENT: 86.95pt"><span style="FONT-SIZE: 10.5pt">如果检验结果中有一项指标符合本标准要求时，应自两倍量的包装单元中重新采样进行复验，复?/span></div>
<div style="TEXT-INDENT: 63pt"><span style="FONT-SIZE: 10.5pt">结果确实有一项指标不符合标准要求时，则整批光触媒喷涂液为不合格?/span></div>
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<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.5 </span><span style="FONT-SIZE: 10.5pt">特殊规则</span></div>
<div><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">当用户合同中对检验项目及项目指标有要求时，按合同要求进行。其中批量检验以配料混合一?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">为一批，每批产品不超?吨，一包装箱为一件产品?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">5.6 </span><span style="FONT-SIZE: 10.5pt">异议处理</span></div>
<div><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">当供需双方产品质量发生异议时，可由产品质量监督检验部门按本标准进行检验?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">6 </span><span style="FONT-SIZE: 10.5pt">标志、包装、运输、储?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">6.1</span><span style="FONT-SIZE: 10.5pt">标志</span></div>
<div style="TEXT-INDENT: 92.2pt"><span style="FONT-SIZE: 10.5pt">塑料瓶及纸箱正面应有牢固的标志内容，表明产品名称、规格、包装规格、净重、生产厂名?/span></div>
<div style="TEXT-INDENT: 73.5pt"><span style="FONT-SIZE: 10.5pt">生产标准编号、产品卫生许可证批件号、生产日期及生产批号?/span></div>
<div style="TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt">纸箱背面标明防潮、防水、防火、防高温字样?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">6.2</span><span style="FONT-SIZE: 10.5pt">产品包装</span></div>
<div><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">产品采用塑料瓶包装，每一塑料瓶内?000ml光触媒喷涂液，每12瓶一纸箱，每一纸箱的上?/span></div>
<div style="TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt">各衬一硬纸板，纸箱口用包装胶带密封?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">6.3 </span><span style="FONT-SIZE: 10.5pt">运输和储?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">6.3.1</span><span style="FONT-SIZE: 10.5pt">运输</span></div>
<div style="TEXT-INDENT: 20.6pt"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">普通运输工具如汽车、火车、船舶、飞机均可运输。运输过程中应严禁野蛮装卸。严禁雨雪的直接</span></div>
<div style="TEXT-INDENT: 67.85pt"><span style="FONT-SIZE: 10.5pt">淋袭和日晒。严禁与含腐蚀性的物资同时装运?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">6.3.2</span><span style="FONT-SIZE: 10.5pt">储存</span></div>
<div style="TEXT-INDENT: 21pt"><span style="FONT-SIZE: 10.5pt"> </span><span style="FONT-SIZE: 10.5pt">储存时防火、防水、防雨淋、防晒，远离火源和热源。本品应贮存在干燥阴凉通风处，不得于日?/span></div>
<div style="TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt">下直接暴晒。禁止与铵盐、尿素、氨水、液氨、有机或无机酸等物质混存和接触，储存时，防止包装</span></div>
<div style="TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt">破裂，若有泄露物应用清水洗，应避免物料与皮肤接触，防止物料滴落在衣物上，若物料落到皮肤、眼</span></div>
<div style="TEXT-INDENT: 68.25pt"><span style="FONT-SIZE: 10.5pt">睛或衣物上时应用大量水冲洗?/span></div>
<div style="TEXT-INDENT: 71.9pt"><span style="FONT-SIZE: 10.5pt">6.4</span><span style="FONT-SIZE: 10.5pt">保质?/span></div>
<div style="TEXT-INDENT: 89.25pt"><span style="FONT-SIZE: 10.5pt">产品在本标准规定的贮运条件下，保质期为二十四个月?/span></div>
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