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ISO 4221:1980

Current

Current

The latest, up-to-date edition.

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

01-11-1980

£58.00
Excluding VAT

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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