BS 4427-9:1975废止
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Determination of fluorine content
出版：British Standards Institution
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基本信息
标准编号： BS 4427-9:1975
发布时间：1976/1/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Photometric method applicable to fluorine levels of 10 mg/kg and higher.
标准备注
© British Standards Institution 2013
等同采用的国际标准
ISO 3360:1976 - Similar
