| 卡尔费休法测定液态氯乙烯中水含量的研究 |
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| 引用本文： | 吕改芳,王萍,程静,孟柱,李莉,周学祥,李晓明.卡尔费休法测定液态氯乙烯中水含量的研究[J].聚氯乙烯,2020,48(1):11-13,22. |
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| 作者姓名： | 吕改芳 王萍 程静 孟柱 李莉 周学祥 李晓明 |
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| 作者单位： | 甘肃银光聚银化工有限公司,甘肃白银730900;甘肃银光聚银化工有限公司,甘肃白银730900;甘肃银光聚银化工有限公司,甘肃白银730900;甘肃银光聚银化工有限公司,甘肃白银730900;甘肃银光聚银化工有限公司,甘肃白银730900;甘肃银光聚银化工有限公司,甘肃白银730900;甘肃银光聚银化工有限公司,甘肃白银730900 |
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| 摘 要： | 采用卡尔费休法测定了液态氯乙烯单体中的水含量。试验确定了采样工具、样品的预处理方式及选用溶剂的最优方案,并进行了精密度与准确度的验证。结果表明卡尔费休法测定液态氯乙烯单体中的水含量准确、快速,可以用来准确、及时地指导生产。
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| 关 键 词： | 水分 卡尔费休法 氯乙烯 聚合 |
Study on Karl Fischer method for the analysis of water content in liquid vinyl chloride |
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| LYU Gaifang,WANG Ping,CHENG Jing,MENG Zhu,LI Li,ZHOU Xuexiang,LI Xiaoming.Study on Karl Fischer method for the analysis of water content in liquid vinyl chloride[J].Polyvinyl Chloride,2020,48(1):11-13,22. |
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| Authors: | LYU Gaifang WANG Ping CHENG Jing MENG Zhu LI Li ZHOU Xuexiang LI Xiaoming |
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| Affiliation: | (Gansu Yinguang Juyin Chemical Co.,Ltd.,Baiyin 730900,China) |
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| Abstract: | The content of water in liquid vinyl chloride monomer was determined by Karl Fischer method.The sampling tool,the sample pre treatment method and the selection of optimal solvent were determined,and the precision and accuracy were verified.The results showed that Karl Fischer method accurately and rapidly determined the water content in liquid vinyl chloride monomer,and could be used to guide production accurately and timely. |
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| Keywords: | water content Karl Fischer method vinyl chloride polymerization |
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