ISO 4221:1980

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

Publication date: 1 nën 1980

General information

Current stage: 90.93 Effective date: 18 sht 2023

Originator: ISO

Owner: ISO/TC 146/SC 3

Type: International Standard

ICS: 13.040.20

Gjuha: frëngjisht anglisht

Buying

Statusi: Publikuar

PDF - 7 576 Lekë

Paper - 7 576 Lekë

CD - 7 576 Lekë

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 4221:1980
90.93 Standard confirmed
18 sht 2023

National adoptions

SSH ISO 4221:1980

DPS

Ajri i mjedisit - Përcaktimi i përqëndrimit në masë të dioksidit të squfurit në ajër - Metoda spektrometrike Thorin

60.60 Standard published

DPS/KT 230 më tepër