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BS EN ISO 15681-2:2004

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Hardcopy , PDF

Superseded date

19-12-2018

Language(s)

English

Published date

08-03-2005

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
   4.3 Total phosphorus with integral UV digestion and
       hydrolysis
5 Reagents
6 Apparatus
   6.1 Continuous-flow analysis (CFA)
   6.2 Additional apparatus
   6.3 Additional apparatus for the determination of total
       phosphorus after integral digestion
7 Sampling and sample preparation
8 Procedure
   8.1 Preparation for analysis
   8.2 Instrument performance check
   8.3 Reagent blank check
   8.4 Calibration
   8.5 Check of UV digestion and hydrolysis for total
       P determination
   8.6 Measurement
   8.7 Closing down the system
9 Calculation of results
10 Expression of results
11 Test report
Annex A (informative) Examples of a CFA system
Annex B (informative) Precision and accuracy
Annex C (informative) Determination of orthophosphate-P
                      and total-P by CFA and tin(II)
                      chloride reduction
Bibliography

Defines 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.

Committee
EH/3/2
DevelopmentNote
Renumbers and supersedes BS ISO 15681-2 Supersedes BS 6068-2.87(2003) and 01/562318 DC Also numbered as BS 6068-2.87(2004) 2004 version incorporates amendment 15546 to BS ISO 15681-2 (03/2005) Reviewed and confirmed by BSI, July 2009. (06/2009)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
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 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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$407.85
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