标准号:ISO 2466-1973
中文标准名称:工业用氢氧化钾 取样 试样 供某些测定用的主溶液的配制
英文标准名称:Potassium hydroxide for industrial use; Sampling; Test sample; Preparation of the main solution for carrying out certain determinations
标准类型:B30;X04
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:B30;X04
国际标准分类号:71.060.40
适用范围:Provides certain indications relating to the sampling and indicates the conditions under which the test sample should be prepared The special properties which make particular precautions essential such as hygroscopic characteristics, absorption of carbon dioxide, corrosive action on containers, should be stressed. The preparation of the main solution is carried out by dissolution of the test portion in distillated water or by transfer of the liquid test portion directly and quantitatively in a one-mark volumetric flask. Cancels and replaces ISO Recommendation R 988-1969 and ISO recommendation R 989-1969.