BS 6068-2.86(2003) : 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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)
23-11-2012
07-02-2005
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
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Superseded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 | |
| Supersedes |
| 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 |