
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 loss in mass of crude sodium borates after heating at a temperature of 900C
出版:British Standards Institution

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© British Standards Institution 2013
General notes:
This standard has been withdrawn as it is identical to ISO 2218:1972 which has been withdrawn by ISO/TC 47
ISO 2218:1972 - Equivalent