BS 6068-2.86(2003) : 2003

Name: BS 6068-2.86(2003) : 2003
Brand: BSI

Superseded

View Superseded by

WATER QUALITY - DETERMINATION OF ORTHOPHOSPHATE AND TOTAL PHOSPHORUS CONTENTS BY FLOW ANALYSIS (FIA AND CFA) - PART 1: METHOD BY FLOW INJECTION ANALYSIS (FIA)

Superseded date

07-02-2005

Published date

23-11-2012

Publisher

British Standards Institution

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

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).

Committee	EH/3/2
DevelopmentNote	Also numbered as BS ISO 15681-1. (02/2004) Supersedes 01/562317 DC. (02/2005)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 15681-1:2004
Supersedes	01/562317 DC : DRAFT JUNE 2001

Standards	Relationship
ISO 15681-1:2003	Identical

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