ISO 6636-1:1986 水果、蔬菜及其制品.锌含量的测定.第1部分：极谱法

标准编号：ISO 6636-1:1986

中文名称：水果、蔬菜及其制品.锌含量的测定.第1部分：极谱法

英文名称：Fruits, vegetables and derived products — Determination of zinc content — Part 1: Polarographic method

发布日期：1986-04

标准范围

该方法包括在525+25℃的马弗炉中对试样进行灰化，用盐酸处理获得的灰分，用氨溶液中和，并使用氨/氯化铵电解液测定值。铜、锡、铅和镉不会产生干扰。

The method consists in ashing of a test portion in a muffle furnace at 525+25 C, treating the ash obtained with hydrochloric acid, neutralizing with ammonia solution and determing of the value using an ammonia/ammonium chloride electrolyte. Copper, tin, lead and cadmium do not interfere.

标准预览图