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BS 5688-28:1986

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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 total and alkali-soluble calcium and magnesium contents of crude sodium borates (flame atomic absorption spectrometric method)
Available format(s)

Hardcopy , PDF

Withdrawn date

12-01-2011

Language(s)

English

Published date

07-31-1986

Describes a flame atomic absorption spectrometric method for the determination of total and alkali soluble calcium and magnesium contents of crude sodium borates for industrial use. Applicable to products in which the calcium content, expressed as calcium, is not lower than 0,02% (m/m) and not greater than 1,0% (m/m) and in which the magnesium content, expressed as magnesium, is not lower than 0,01% (m/m) and not greater than 0,2% (m/m).

Committee
W/-
DevelopmentNote
Also numbered as ISO 6918 Supersedes 83/52141 DC (08/2005)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Withdrawn

BS 3978:1966 Specification for water for laboratory use
BS 5688-10:1979 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 matter insoluble in alkaline medium and preparation of test solutions of crude sodium borates
BS 5688-0:1986 Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use General introduction

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US$134.16
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