标准摘要
[中文适用范围]： 不适用于农业用途混合物的分析，例如除草剂或杀虫剂。 指示使用氯酸盐进行处理的风险。 将测试部分溶解在水中，并在硫酸和正磷酸介质中还原已知量的铁(II)盐。 在二苯胺-4-磺酸钡溶液作为指示剂的情况下，用重铬酸钾标准体积溶液滴定过量的铁(II)盐。 [外文原描述]： 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.
英文名称Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method