Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method

Available format(s)

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

Language(s)

English, French

Published date

11-01-1980

Publisher

International Organization for Standardization

Applies to the range of 3,5 to 150 micrograms per cubic metre, assuming an air sample volume of 2 m³ and a sample solution volume of 50 ml. For higher concentrations, dilution of the sample may be necessary.

Committee	ISO/TC 146/SC 3
DocumentType	Standard
Pages	7
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
DIN ISO 4221:1990-05	Identical
DIN EN 12720:2014-02	Identical
BS 1747-7:1983	Identical
PN ISO 4221 : 1994	Identical
UNE 77203:1993	Identical
SN EN 12720+A1:2013	Identical

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