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BS EN ISO 15681-1:2004

Current
Current

The latest, up-to-date edition.

Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) Method by flow injection analysis (FIA)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-11-2005

Foreword
Introduction
1 Scope
2 Normative references
3 Interferences
   3.1 General interferences
   3.2 Interferences in the determination of total-P
4 Principle
   4.1 Determination of orthophosphate
   4.2 Total phosphorus with manual digestion
5 Reagents
6 Apparatus
   6.1 Flow injection analysis (FIA)
   6.2 Additional apparatus
   6.3 Additional apparatus for the determination of total
       phosphorus
7 Sampling and sample preparation
8 Procedure
   8.1 Analysis preparation
   8.2 Instrument performance check
   8.3 Reagent blank check
   8.4 Calibration
   8.5 Check of digestion efficiency for determination of
       total-P
   8.6 Measurement
   8.7 Closing down the system
9 Calculation of results
10 Expression of results
11 Test report
Annex A (informative) Example of an FIA system
Annex B (informative) Precision and accuracy
Annex C (informative) Determination of orthophosphate-P and
                      total-P by FIA using ascorbic acid
                      reduction
Annex D (informative) Replacement of hydrazine sulfate by DEHA
                      (N,N-diethylhydroxylamine)
Bibliography

Provides 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). Applicable to various types of water (such as ground, drinking, surface, leachate and waste waters).

Committee
EH/3/2
DevelopmentNote
Renumbers and supersedes BS ISO 15681-1. 2004 version incorporates amendment 15545 to BS ISO 15681-1. Also numbered as BS 6068-2.86(2004). Supersedes BS 6068-2.86(2003) and 01/562317 DC. (02/2005) Reviewed and confirmed by BSI, July 2009. (06/2009)
DocumentType
Standard
Pages
30
PublisherName
British Standards Institution
Status
Current
Supersedes

BS PAS 61(2006) : 2006 DETERMINATION OF PRIORITY POLLUTANTS IN SURFACE WATER USING PASSIVE SAMPLING

ISO 5667-2:1991 Water quality Sampling Part 2: Guidance on sampling techniques
ISO 15681-2:2003 Water quality Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) Part 2: Method by continuous flow analysis (CFA)
ISO 5667-3:2012 Water quality Sampling Part 3: Preservation and handling of water samples
ISO 5667-1:2006 Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 8466-1:1990 Water quality Calibration and evaluation of analytical methods and estimation of performance characteristics Part 1: Statistical evaluation of the linear calibration function
ISO 6878:2004 Water quality — Determination of phosphorus — Ammonium molybdate spectrometric method

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