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
標準編號： BS 2690-4:1967
發布時間：1967/10/26 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準簡介
Spectrophotometric methods; also titration methods for two concentration levels of calcium and magnesium.
標準備注
? 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
替代本標準的新標準
