EN ISO 15681-2:2004

Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2003) EN ISO 15681-2:2004

Publication date:   Jul 27, 2005

General information

99.60 Withdrawal effective   Dec 5, 2018

CEN

CEN/TC 230 Water analysis

European Norm

13.060.50   Examination of water for chemical substances

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Scope

ISO 15681-2:2003 specifies CFA methods for the determination of orthophosphate in the mass concentration range from 0,01 mg/l to 1,00 mg/l P, and total phosphorus in the mass concentration range from 0,10 mg/l to 10,0 mg/l P. The method includes the digestion of organic phosphorus compounds and the hydrolysis of inorganic polyphosphate compounds, performed either manually as described in ISO 6878 or with an integrated UV digestion and hydrolysis unit.
ISO 15681-2:2003 is applicable to various types of water (such as ground, drinking, surface, leachate and waste water). The range of application may be changed by varying the operating conditions.
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.

Related legislation

Legislation related to this standard

2000/60/EC

Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy (substitutes Directive Reference 01/991 - Common Position on WFD)

Life cycle

NOW

WITHDRAWN
EN ISO 15681-2:2004
99.60 Withdrawal effective
Dec 5, 2018

REVISED BY

PUBLISHED
EN ISO 15681-2:2018

Relations

Adopted from ISO 15681-2:2003 IDENTICAL