BS 4258-2:1968被替代
Methods of test for phosphoric acid 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 4258-2:1968
发布时间：1968/1/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Spectrophotometric determination using 2,2$2N-bipyridyl; acids containing polyphosphoric acid treated as a special case.
标准备注
© British Standards Institution 2013
等同采用的国际标准
ISO R 849:1968 - Similar
