标准号:BS 4993-3-1974
中文标准名称:工业用氟化铝试验方法.第3部分:硅含量测定
英文标准名称:Methods of test for aluminium fluoride for industrial use - Determination of silica content
标准类型:G12
发布日期:1974/2/28 12:00:00
实施日期:1974/2/28 12:00:00
中国标准分类号:G12
国际标准分类号:71.060.50
适用范围:Fusion of a test portion with sodium carbonate/boric acid, dissolution of the melt in nitric acid, formation of the yellow (oxidized) silico-molybdic complex, reduction to the blue form and spectrophotometric measurement at 815 nm.