ISO 4221:1980
Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 1980 |
| No. of Pages | 7 |
| ICS Classification | 13.040.20 Ambient atmospheres |
| Committee | ISO/TC 146/SC 3 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |