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二甲苯溶剂组成的定量同时测定

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摘要 使用气相色谱法,选择硝基苯作为内标物,得到了二甲苯溶剂中四种主要成分邻二甲苯、间二甲苯、对二甲苯和乙基苯的线性回归方程。对含该四组分的三组人工配制样品进行回收率测定实验,测得邻二甲苯、间二甲苯与对二甲苯总量以及乙基苯的回收率在91.8%-103.8%之间。利用上述气相色谱内标法对三种市售二甲苯溶剂进行了浓度测定。
作者 许玉芳 田燕
出处 《合肥师范学院学报》 2014年第3期50-51,共2页 Journal of Hefei Normal University
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