甲基丙烯酸甲酯合成中甲醛含量的测定  

Determination of formaldehyde content in the process of synthesizing methyl methacrylate

作　　者：陈晓华[1] 王小莉[1] 贾绘如[1] 李杰灵[1] 

机构地区：[1]西南化工研究设计院有限公司,四川成都610225

出　　处：《天然气化工—C1化学与化工》2012年第5期74-75,共2页Natural Gas Chemical Industry

摘　　要：建立了丙酸甲酯和甲醛合成甲基丙烯酸甲酯工艺中甲醛含量测定的亚硫酸钠化学滴定法,并对实验条件进行优化。结果显示,该法简便,分析速度快,重复性好,准确度高。A titrimetric method with sodium sulfite was established for the determination of formaldehyde content in the process of synthesizing methyl methacrylate （MMA） from methyl propionate and formaldehyde and the experimental conditions were optimized. The results showed that this analytical method was convenient and rapid, and had good repeatability and accuracy.

关 键 词：甲基丙烯酸甲酯 甲醛 亚硫酸钠 化学滴定 

分 类 号：O655.2[理学—分析化学] TQ224.122[理学—化学]