BS 5688-28:1986
Withdrawn
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)
Hardcopy , PDF
English
07-31-1986
12-01-2011
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Withdrawn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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