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ISO 11732:2005

Water quality — Determination of ammonium nitrogen — Method by flow analysis (CFA and FIA) and spectrometric detection

Publication date:   Feb 4, 2005

General information

90.93   Standard confirmed   Apr 9, 2026

ISO

ISO/TC 147/SC 2 Physical, chemical and biochemical methods

International Standard

13.060.50   Examination of water for chemical substances

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Scope

ISO 11732:2005 specifies methods suitable for the determination of ammonium nitrogen in various types of waters (such as ground, drinking, surface, and waste waters) in mass concentrations ranging from 0,1 mg/l to 10 mg/l (in the undiluted sample), applying either FIA or CFA. In particular cases, the range of application may be adapted by varying the operating conditions.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11732:1997

NOW

PUBLISHED
ISO 11732:2005
90.93 Standard confirmed
Apr 9, 2026