SS-EN-ISO-15681-1 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)

SS-EN-ISO-15681-1 - 2005 EDITION - CURRENT

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This part of ISO 15681 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 [5], [6] 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. This part of ISO 15681 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.

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Designation Name

SS-EN ISO 15681-1:2005

Revision Level




Publication Date

Aug. 30, 2005



Page Count


International Equivalent

EN ISO 15681-1:2004(IDT); ISO 15681-1:2003(IDT)