DIN ISO 4221:1990-05
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
AIR QUALITY - DETERMINATION OF MASS CONCENTRATION OF SULFUR DIOXIDE IN AMBIENT AIR - THORIN SPECTROPHOTOMETRIC METHOD
01-11-2006
12-01-2013
Kein Inhaltsverzeichnis in der Norm vorhanden.
Deals with reagents, equipment used, sampling and how to carry out the determination.
DocumentType |
Standard
|
PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
Status |
Withdrawn
|
Standards | Relationship |
ISO 4221:1980 | Identical |
ISO 4219:1979 | Air quality — Determination of gaseous sulphur compounds in ambient air — Sampling equipment |
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