Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

07-01-1975

Publisher

International Organization for Standardization

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.

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