ISO 2762:1973
Current
The latest, up-to-date edition.
Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
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English, French
01-11-1973
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The turbidimetric method is applicable to products containing less than 0.1 % (m/m) of soluble sulphates. The principle consists in evaporation of a test portion to dryness and solution of the residue in hydrochloric acid. Measurement of the turbidity obtained by precipitation, under well defined conditions, of barium sulphate. Has also been approved by the IUPAC.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NBN T 03 007 : 1979 | Identical |
| I.S. EN 1421:2012 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
| ONORM EN 1421 : 2013 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
| DIN EN 1421:2013-03 | Chemicals used for treatment of water intended for human consumption - Ammonium chloride |
| UNI EN 1421 : 2013 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
| 12/30258176 DC : 0 | BS EN 1421 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
| BS EN 1421:2012 | Chemicals used for treatment of water intended for human consumption. Ammonium chloride |
| UNE-EN 1421:2013 | Chemicals used for treatment of water intended for human consumption - Ammonium chloride |
| EN 1421:2012 | Chemicals used for treatment of water intended for human consumption - Ammonium chloride |
| PREN 1421 : DRAFT 2012 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
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