Sulphuric acid and oleums for industrial use — Determination of sulphur dioxide content — Iodometric method

Available format(s)

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

Language(s)

English, French

Published date

01-11-1975

Publisher

International Organization for Standardization

Applicable of products the SO2 content of which is equal to or more than 2 mg/kg. Based on the displacement of the sulphur dioxide present in the test portion by a current of pure nitrogen and absorption in a known volume of iodine solution. Titration of the excess of iodine with standard volumetric sodium thiosulphate solution. The diagram of the glass apparatus for absorption is shown in a figure.

DocumentType	Standard
Pages	3
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
BS 3903:1977	Similar to
NFT 20 293 : 1970	Similar to
UNE 55590:1981	Identical
NBN T 03 025 : 1979	Identical

DIN EN 899:2009-07	Chemicals used for treatment of water intended for human consumption - Sulfuric acid
BS EN 899:2009	Chemicals used for treatment of water intended for human consumption. Sulfuric acid
I.S. EN 899:2009	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SULPHURIC ACID
ONORM EN 899 : 2009	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SULPHURIC ACID
NF EN 899 : 2009	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SULPHURIC ACID
UNI EN 899 : 2009	CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SULPHURIC ACID
EN 899:2009	Chemicals used for treatment of water intended for human consumption - Sulphuric acid