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ISO 15681-1:2003

Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) — Part 1: Method by flow injection analysis (FIA)

Dec 10, 2003

General information

90.60     Mar 5, 2025

ISO

ISO/TC 147/SC 2

International Standard

13.060.50  

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Scope

ISO 15681-1:2003 specifies flow injection analysis (FIA) methods for the determination of orthophosphate in the mass concentration range from 0,01 mg/l to 1,0 mg/l (P), and total phosphorus by manual digestion in accordance with ISO 6878 for the mass concentration range from 0,1 mg/l to 10 mg/l (P). The range of application can be changed by varying the operating conditions.
ISO 15681-1:2003 is applicable to various types of water (such as ground, drinking, surface, leachate and waste waters).
This method is also applicable to the analysis of seawater, but with changes in sensitivity, by adaptation of the carrier and calibration solutions to the salinity of the samples.

Life cycle

NOW

PUBLISHED
ISO 15681-1:2003
90.60 Close of review
Mar 5, 2025

National adoptions

SRPS EN ISO 15681-1:2008  
ISS

Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 1: Method by flow injection analysis (FIA) (ISO 15681-1:2003)

90.93   Standard confirmed

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