摘要
研究了利用伯胺基与亚硝酸定量发生重氮化反应测定多苯基多次甲基多胺中伯胺基含量的方法,确定了最佳测定工艺条件,其分析结果的最大相对误差及相对平均偏差在0.1%之内,该分析方法可用于对光气化反应的评价中。
The method to determine the primary amino content in the polymethylene polyphenyl polyamine through the quantitative diazo reaction of primary amino and nitrous acid was researched. The optimum process conditions were identified. The maximum relative error and the average relative error are less than 0.1%. This method can be applied in assessments on phosgenation reaction.
出处
《聚氨酯工业》
2006年第2期41-43,共3页
Polyurethane Industry
关键词
多苯基多次甲基多胺
伯胺基
重氮化反应
测定方法
polymethylene polyphenyl polyamine
primary amine
diazo reaction
analytical method
