电位滴定法测定脂肪烷基二甲基甜菜碱含量

Determination of Fatty Alkyl Dimethyl Beet Alkali Content by Electric Potential Titration Method

关键词:  脂肪烷基 二甲基 甜菜碱 表面活性 电位滴定法

Key words:  fatty alkyl dimethyl beet alkali, electric potential titration method, surfactant, content of active component

摘要:

本文介绍了高氯酸电位滴定法测定脂肪烷基二甲基甜菜碱活性物和未反应胺含量的原理、测定步骤及结果处理，并对工业品十二烷基二甲基甜菜碱ＢＳ－１２中的活性物和未反应胺含量进行了测定，讨论了方法的准确性和重现性。结果 表明：该方法为常规的酸大滴定，具有试剂易得、操作方便、准确度和精密度高级及重现性好等特点，可用于脂肪烷基二甲基知甜菜碱的质量分析控制。

Abstract:

Fatty alkyl dimethyl beet alkali is a kind of amphoteric surfactant with wide uses. Its performance directly depends on its composition. The principle, operating procedure and result processing of determination for the content of active component and resi