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ISO 5993:1979

Current
Current

The latest, up-to-date edition.

Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method
Available format(s)

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

Language(s)

English, French

Published date

09-01-1979

Covers a method applicable to liquid or solid products having mercury contents greater than 0,02 mg/kg. The principle of determination is based on oxidation of the mercury contained in a test portion to mercury(II) ions by potassium permanganate in the presence of sulphuric acid, reduction of the excess oxidant by hydroxylammonium chloride, reduction of the mercury(II) ions to mercury by tin(II) chloride, entrainment of the mercury in air or nitrogen, passage of the gaseous mixture through a measuring cell, and measurement of the absorption at a wavelength of 253,7 nm.

Committee
ISO/TC 47
DevelopmentNote
Also numbered as BS 6075-11(1981). (11/2003)
DocumentType
Standard
Pages
6
PublisherName
International Organization for Standardization
Status
Current

Standards Relationship
UNE 55614:1984 Identical
NBN T 03 135 : 1980 Identical
NFT 20 435 : 80 FD Identical
PN ISO 5993 : 2002 Identical

12/30258182 DC : 0 BS EN 12121 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM DISULFITE
12/30268242 DC : 0 BS EN 12174 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HEXAFLUOROSILICATE
12/30258179 DC : 0 BS EN 12120 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
12/30258185 DC : 0 BS EN 12124 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM SULFITE
BS EN 12175:2013 Chemicals used for treatment of water intended for human consumption. He xafluorosilicic acid
EN 12121:2012 Chemicals used for treatment of water intended for human consumption - Sodium disulfite
EN 12173:2012 Chemicals used for treatment of water intended for human consumption - Sodium fluoride
EN 12120:2012 Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite
EN 12123:2012 Chemicals used for treatment of water intended for human consumption - Ammonium sulfate
EN 12386:2012 Chemicals used for treatment of water intended for human consumption - Copper sulfate
EN 12174:2013 Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate
DIN EN 974:2004-01 Chemicals used for treatment of water intended for human consumption - Phosphoric acid; German version EN 974:2003
12/30258200 DC : 0 BS EN 12123 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
PREN 12121 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM DISULFITE
PREN 12123 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
12/30268245 DC : 0 BS EN 12175 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - HEXAFLUOROSILICIC ACID
PREN 12174 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HEXAFLUOROSILICATE
PREN 12386 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - COPPER SULFATE
PREN 12120 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
PREN 12124 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM SULFITE
DIN EN 12125:2013-02 Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
DIN EN 12124:2013-02 Chemicals used for treatment of water intended for human consumption - Sodium sulfite
DIN EN 12120:2013-02 Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite
DIN EN 12173:2013-01 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM FLUORIDE
BS EN 12386:2012 Chemicals used for treatment of water intended for human consumption. Copper sulfate
I.S. EN 12121:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM DISULFITE
I.S. EN 12122:2005 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIA SOLUTION
I.S. EN 12120:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
I.S. EN 12386:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - COPPER SULFATE
I.S. EN 12125:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM THIOSULFATE
I.S. EN 12175:2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - HEXAFLUOROSILICIC ACID
I.S. EN 12124:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM SULFITE
I.S. EN 12174:2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HEXAFLUOROSILICATE
I.S. EN 12173:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM FLUORIDE
I.S. EN 12123:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
ONORM EN 12121 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM DISULFITE
ONORM EN 12123 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
ONORM EN 12125 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM THIOSULFATE
ONORM EN 12120 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
ONORM EN 12174 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HEXAFLUOROSILICATE
ONORM EN 12175 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - HEXAFLUOROSILICIC ACID
ONORM EN 12124 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM SULFITE
12/30258191 DC : 0 BS EN 12386 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - COPPER SULFATE
12/30258194 DC : 0 BS EN 12173 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM FLUORIDE
DIN EN 12386:2013-01 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - COPPER SULFATE
DIN EN 12174:2013-08 Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate
DIN EN 12123:2013-02 Chemicals used for treatment of water intended for human consumption - Ammonium sulfate
DIN EN 12121:2013-02 Chemicals used for treatment of water intended for human consumption - Sodium disulfite
UNE-EN 12121:2013 Chemicals used for treatment of water intended for human consumption - Sodium disulfite
UNE-EN 12125:2013 Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
UNI EN 12386 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - COPPER SULFATE
UNI EN 12120 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
UNI EN 12173 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM FLUORIDE
UNI EN 12174 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HEXAFLUOROSILICATE
UNI EN 12175 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - HEXAFLUOROSILICIC ACID
UNI EN 12123 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM SULFATE
UNI EN 12125 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM THIOSULFATE
UNI EN 12121 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM DISULFITE
UNI EN 12124 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM SULFITE
BS 6075-10:1981 Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (photometric method)
PREN 12173 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM FLUORIDE
DIN EN 12175:2013-08 Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid
BS EN 12122:2005 Chemicals used for treatment of water intended for human consumption. Ammonia solution
BS EN 12121:2012 Chemicals used for treatment of water intended for human consumption. Sodium disulfite
BS EN 12174:2013 Chemicals used for treatment of water intended for human consumption. Sodium hexafluorosilicate
UNE-EN 12173:2013 Chemicals used for treatment of water intended for human consumption - Sodium fluoride
BS EN 12124:2012 Chemicals used for treatment of water intended for human consumption. Sodium sulfite
UNE-EN 12174:2013 Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate
BS EN 12173:2012 Chemicals used for treatment of water intended for human consumption. Sodium fluoride
BS EN 12123:2012 Chemicals used for treatment of water intended for human consumption. Ammonium sulfate
UNE-EN 12175:2013 Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid
UNE-EN 12123:2013 Chemicals used for treatment of water intended for human consumption - Ammonium sulfate
UNE-EN 12124:2013 Chemicals used for treatment of water intended for human consumption - Sodium sulfite
UNE-EN 12120:2013 Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite
EN 974:2003 Chemicals used for treatment of water intended for human consumption - Phosphoric acid
PREN 12175 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - HEXAFLUOROSILICIC ACID
BS EN 974:2003 Chemicals used for treatment of water intended for human consumption. Phosphoric acid
BS EN 12120:2012 Chemicals used for treatment of water intended for human consumption. Sodium hydrogen sulfite
UNE-EN 12386:2013 Chemicals used for treatment of water intended for human consumption - Copper sulfate
BS EN 12125:2012 Chemicals used for treatment of water intended for human consumption — Sodium thiosulfate
EN 12125:2012 Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
EN 12175:2013 Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid
DIN EN 12122:2005-08 Chemicals used for treatment of water intended for human consumption - Ammonia solution
EN 12124:2012 Chemicals used for treatment of water intended for human consumption - Sodium sulfite
EN 12122:2005 Chemicals used for treatment of water intended for human consumption - Ammonia solution

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