ISO 6638-2:1984 水果和蔬菜制品.甲酸含量的测定.第2部分:常规法
标准编号:ISO 6638-2:1984
中文名称:水果和蔬菜制品.甲酸含量的测定.第2部分:常规法
英文名称:Fruit and vegetable products — Determination of formic acid content — Part 2: Routine method
发布日期:1984-10
标准范围
该方法包括用蒸汽定量夹带试样中的酸,通过硫代硫酸钠标准体积溶液滴定,测定碘的量,相当于蒸馏液中酸消耗的溴的量。
The method consists in quantitative entraining by steam of the acid present in a test portion, determing of the amount of iodine equivalent to the amount of bromine consumed by the acid in the distillate, by titration with sodium thiosulfate standard volumetric solution.
标准预览图


