BS 2690-109:1984
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 testing water used in industry Alkalinity, acidity, pH value and carbon dioxide
Hardcopy , PDF
English
29-02-1984
15-06-1996
0. Introduction
1. Scope
2. General
Methods
3. Alkalinity
4. Acidity
5. pH value
6. Total carbon dioxide
Appendix
A. Nomograph relating pH, alkalinity and free carbon
content
Table
1. Volume of sodium hydroxide solution for carbon
dioxide determination
Figure
1. Apparatus for the determination of carbon dioxide
Potentiometric titration methods for \'phenolphthalein\' and \'methyl orange\' alkalinities and \'free or mineral\' and \'total\' acidities, both for up to the equivalent of 50 mg of calcium carbonate. Meter method for pH. Gas stripping and titrimetric method for free and total carbon dioxide, from 0.1 to 50 mg/L. Includes a nomograph relating pH, alkalinity and free carbon dioxide.
| Committee |
EH/3
|
| DevelopmentNote |
Supersedes BS 2690(1956) (07/2004)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| UNE-EN 61881-2:2012 | Identical |
This standard has been withdrawn and is no longer current. No replacement edition is available.
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