BS 2690-4:1967被替代
Methods of testing water used in industry. Calcium and magnesium
出版：British Standards Institution
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基本信息
标准编号： BS 2690-4:1967
发布时间：1967/10/26 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 methods; also titration methods for two concentration levels of calcium and magnesium.
标准备注
© British Standards Institution 2013
Replaces notes:
Replaces BS 2690:1956.
Replaced by notes:
Replaced by Parts 106 and 108 of BS 2690 and Sections 2.8, 2.9 and 2.30 of BS 6068.
Amendment notes:
AMD 227
AMD 3179
替代本标准的新标准
