
Water Quality - Evaluation Of The Aerobic Biodegradability Of Organic Compounds In An Aqueous Medium - Static Test (zahn-wellens Method)
出版:Swiss Standards

專家解讀視頻
Specifies a method for the evaluation of the elimination and the ultimate biodegradability of organic compounds at a given concentration by aerobic micro-organisms. The method can also be used to determine the elimination and biodegradability of organic compounds in waste water.
DIN EN 29888 : 1993 - Identical
DIN EN 29888 : 1993 - Identical
DIN EN 29888 E : 1993 - Identical
DIN EN 29888 (1993-04) - Identical
ISO 9888:1999 - Identical