RO
SR ISO 4221:2000
Air quality. Determination of mass concentration of sulphur dioxide in ambient air. Thorin spectrophotometric method
Standardul prezintă metoda spectrofotometrică cu thorn pentru determinarea concentraţiei masice de dioxid de sulf din aerul înconjurător
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Status :
Valid
Approval date : 4/21/2000
Publish date : 4/22/2000
Romanian version publish date : 4/21/2000
Number of pages : 12
ICS : 13.040.20 Ambient atmospheres
Technical Committee : 53 - Air quality
- Replaces (partial) SR ISO 6767:2000