ISO 3199-1975 工业用氯酸钠 氯酸盐含量的测定 重铬酸盐滴定法

标准号：ISO 3199-1975
中文标准名称：工业用氯酸钠 氯酸盐含量的测定 重铬酸盐滴定法
英文标准名称：Sodium chlorate for industrial use; Determination of chlorate content; Dichromate titrimetric method
标准类型：G10
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：G10
国际标准分类号：71.060.50
适用范围：Not applicable to the analysis of mixtures for agricultural use such as herbicides or pesticides. Indicates the risk in handling with clorates. Dissolution of the test portion in water and reduction by a known quantity, in access, of an iron(II) salt in a sulphuric acid and orthophosphoric acid medium. Titration of the excess iron(II) salt with a standard volumetric solution of potassium dichromate in the presence of barium diphenylamine-4-sulphonate solution as indicator.