BS 2690-7:1968
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Methods of testing water used in industry Nitrite, nitrate and ammonia (free, saline and albuminoid)
Hardcopy , PDF
English
30-08-1968
15-09-1993
One method each for nitrite and nitrate and three of increasing sensitivity for ammonia. Distillation procedure for ammonia determination.
| Committee |
EH/3
|
| DevelopmentNote |
Supersedes BS 2690(1956) (07/2004)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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