标准号:ISO 5522-1981
中文标准名称:水果、蔬菜及其制品 二氧化硫总含量的测定
英文标准名称:Fruits, vegetables and derived products; Determination of total sulphur dioxide content
标准类型:X10;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:X10;B30
国际标准分类号:67.080.01
适用范围:The method consists in acidifying and heating a test portion, entraining, in a current of nitrogen, the gas liberated, absorbing and oxidizing the gas by bubbling it through a neutral, dilute hydrogen peroxide solution, then determining the sulphuric acid thus formed using standard volumetric sodium hydroxide solution. Verification of the determination is described in the annexes A and B, respectively.