标准号:BS 5688-22-1981
英文标准名称:Methods of test for boric acid, boric oxide, $7Idi$7Rsodium tetraborates, sodium perborates and crude sodium borates for industrialuse Determination of cobalt content of boric acid, boric oxide and $7Idi$7Rsodium tetraborates
标准状态:W
标准类型:国际标准
发布日期:1981-10-30
有效日期:1988-05-15
国际标准分类号:71.060.50%71.060.30%71.060.20