BS 4993-2:1974现行
Methods of test for aluminium fluoride for industrial use. Determination of iron content
出版：British Standards Institution
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基本信息
标准编号： BS 4993-2:1974
发布时间：1974/2/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：10
标准简介
Dissolution of a test portion after alkaline or acid fusion and reduction of iron (III) to iron (II) with hydroxylammonium chloride. Formation of the iron (II) 1 ,10-phenanthroline complex and photometric measurement at 510 nm.
标准备注
© British Standards Institution 2013
等同采用的国际标准
ISO 2368:1972 - Similar
