BS 5688-7:1979废止
Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use. Determination of copper content of boric acid, boric oxide and disodium tetraborates
出版：British Standards Institution
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基本信息
标准编号： BS 5688-7:1979
发布时间：1979/2/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：4
标准简介
Photometric method.
标准备注
© British Standards Institution 2013
General notes:
This standard has been withdrawn as it is identical to ISO 2215:1972 which has been withdrawn by ISO/TC 47
等同采用的国际标准
ISO 2215:1972 - Equivalent
