标准号:ISO 6636-1-1986
中文标准名称:水果、蔬菜及其制品 锌含量的测定 第1部分:*谱法
英文标准名称:Fruits, vegetables and derived products; Determination of zinc content; Part 1 : Polarographic method
标准类型:X04;B30
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:X04;B30
国际标准分类号:0520;5295
适用范围: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.