ISO 3332:1975
Current
The latest, up-to-date edition.
Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
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English, French
01-07-1975
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Based on dissolution of a test sample in water, distillation of the ammonia after displacement by an alkali solution. Absorption in an excess of standard volumetric sulphuric acid solution and back-titration with standard volumetric sodium hydroxide solution in the presence of methyl red/methylene blue mixed indicator. A typical distillation apparatus is shown in a figure.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NBN T 03 069 : 1979 | Identical |
| EN 12123:2012 | Chemicals used for treatment of water intended for human consumption - Ammonium sulfate |
| 12/30258200 DC : 0 | BS EN 12123 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE |
| PREN 12123 : DRAFT 2012 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE |
| I.S. EN 1421:2012 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
| I.S. EN 12123:2012 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE |
| ONORM EN 1421 : 2013 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
| ONORM EN 12123 : 2013 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE |
| DIN EN 1421:2013-03 | Chemicals used for treatment of water intended for human consumption - Ammonium chloride |
| DIN EN 12123:2013-02 | Chemicals used for treatment of water intended for human consumption - Ammonium sulfate |
| UNI EN 1421 : 2013 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE |
| UNI EN 12123 : 2013 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE |
| 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 |
| BS EN 12123:2012 | Chemicals used for treatment of water intended for human consumption. Ammonium sulfate |
| UNE-EN 12123:2013 | Chemicals used for treatment of water intended for human consumption - Ammonium sulfate |
| 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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