环保级四氯乙烯_FU试剂

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环保级四氯乙烯

环保级四氯乙烯|127-18-4

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包邮满30000包邮

货品编号：

CC26667-500ml

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货号：
- CC26667-500ml

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品牌：FU试剂
所属分类：专用试剂
商品编号：CC26667-500ml

<p class="MsoNormal"><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><font face="Microsoft YaHei Light">四氯乙烯</font> Perchloroethylene</span></b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:宋体;
font-size:10.5000pt;mso-font-kerning:0.0000pt;"> </span><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><font face="Microsoft YaHei Light">级别</font>: 环保IR级</span></b><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><font face="Microsoft YaHei Light">包装</font>: 500ml玻璃瓶,20瓶/箱</span></b><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><font face="Microsoft YaHei Light">货号：</font>CC26667-500ml</span></b><b><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:'Times New Roman';
mso-ansi-font-weight:bold;font-size:16.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;"><font face="Microsoft YaHei Light">环保部于</font>2018年10月10日发布 HJ 637-2018 《水质 石油类和动植物油类的测定 红外分光光度法》，并于2019年1月1日开始实施，自本标准实施之日起，原标准《水质石油类和动植物油类的测定红外分光光度法》（HJ 637-2012）废止。</span><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: 16pt;"><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;">修订的主要内容如下：</span><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height: 16pt;"><i><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
mso-ansi-font-style:italic;font-size:10.5000pt;mso-font-kerning:0.0000pt;">——修改方法适用范围为工业废水和生活污水；</span></i><i><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
mso-ansi-font-style:italic;font-size:10.5000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></i></p>
<p class="MsoNormal" style="line-height: 16pt;"><i><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
mso-ansi-font-style:italic;font-size:10.5000pt;mso-font-kerning:0.0000pt;">——修改“总油”名称为“油类”；</span></i><i><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
mso-ansi-font-style:italic;font-size:10.5000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></i></p>
<p class="MsoNormal" style="line-height: 16pt;"><i><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
mso-ansi-font-style:italic;font-size:10.5000pt;mso-font-kerning:0.0000pt;">——</span></i><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;">修改萃取剂为</span><strong><span style="font-family: "Microsoft YaHei Light"; font-size: 10.5pt;">四氯乙烯</span></strong><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;">。</span><i><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
mso-ansi-font-style:italic;font-size:10.5000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-indent: 15.75pt;"><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;"><font face="Microsoft YaHei Light">由于标准中使用的溶剂四氯化碳是破坏臭氧层的物质（</font>ODS）之一，为保护大气臭氧层，修订了检测标准。标准要求，四氯乙烯（C2Cl4）：以干燥4 cm 空石英比色皿为参比，在2800 cm-1～3100 cm-1 之间使用4 cm 石英比色皿测定四氯乙烯，2930 cm-1、2960 cm-1、3030 cm-1 处吸光度应分别不超过0.34、0.07、0。</span><span style="mso-spacerun:'yes';font-family:'Microsoft YaHei Light';mso-bidi-font-family:Arial;
font-size:10.5000pt;mso-font-kerning:0.0000pt;"><o:p></o:p></span></p>

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