Ammonium sulphate for industrial use — Determination of free acidity — Titrimetric method

Available format(s)

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

Language(s)

English, French

Published date

04-01-1974

Publisher

International Organization for Standardization

Applicable to products having a free acidity, expressed as H2 SO4 , equal to or more than 0.01 % (m/m). Dissolution of a test portion in Water and titration with standard volumetric sodium hydroxide solution in the presence of an indicator. The indicator must have a colour change in the pH range between 5.2 and 5.6. Has also been approved by the IUPAC.

DocumentType	Standard
Pages	2
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
BS 3786:1964	Similar to
NBN T 03 067 : 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 12123:2012	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
ONORM EN 12123 : 2013	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
DIN EN 12123:2013-02	Chemicals used for treatment of water intended for human consumption - Ammonium sulfate
UNI EN 12123 : 2013	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
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