ISO 7660:1983 香精油.含有难于皂化的酯类香精油酯值的测定

标准编号：ISO 7660:1983

中文名称：香精油.含有难于皂化的酯类香精油酯值的测定

英文名称：Essential oils — Determination of ester value of oils containing difficult-to-saponify esters

发布日期：1983-10

标准范围

该方法包括在二甲基亚砜中氢氧化钾的标准体积溶液中加热，水解试验部分中存在的酯，并用硫酸或盐酸的标准体积溶液反滴定过量的氢氧化钾。

The method consists in hydrolysis of the esters present in a test portion by heating in the presence of a standard volumetric solution of potassium hydroxide in dimethylsulfoxide, and back-titration of the excess potassium hydroxide with a standard volumetric solution of sulfuric acid or hydrochloric acid.

标准预览图