90.93 Standard confirmed Aug 18, 2023
ISO
ISO/TC 147/SC 2 Physical, chemical and biochemical methods
International Standard
13.060.50 Examination of water for chemical substances
Published
Gives a procedure for raw, potable and waste water. An ammonium nitrogen content of up to 10 mg in the test portion may be determined.
PUBLISHED
ISO 5664:1984
90.93
Standard confirmed
Aug 18, 2023