BS 4427-3:1969被替代
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate). Determination of iron content
出版：British Standards Institution
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基本信息
标准编号： BS 4427-3:1969
发布时间：1969/2/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
2,2$2N-Bipyridyl method applicable to sample, containing more than 0.001 per cent of iron.
标准备注
© British Standards Institution 2013
等同采用的国际标准
ISO R 852:1968 - Equivalent
