BS EN ISO 9562:2004
Current
The latest, up-to-date edition.
Water quality. Determination of adsorbable organically bound halogens (AOX)
Hardcopy , PDF
English
30-09-2004
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Interferences
5 Principle
6 Reagents
7 Apparatus
8 Sampling and sample pre-treatment
9 Procedure
10 Calculation
11 Precision
12 Test report
Annex A (informative) Determination of dissolved adsorbable
organically bound halogens after solid phase
extraction (SPE-AOX) in waters with high salt content
Annex B (informative) Handling of activated carbon
Annex C (informative) Statistical performance characteristics
Bibliography
Describes the direct determination of an amount of usually 10 micro gram per litre of organically bound chlorine, bromine and iodine (expressed as chloride) adsorbable on activated carbon.
| Committee |
EH/3/2
|
| DevelopmentNote |
Supersedes BS EN 1485, BS 6068-2.56(1997) and 03/305257 DC. (10/2004) Reviewed and confirmed by BSI, July 2008. (06/2008)
|
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies a method for the direct determination of an amount of usually 10µg/l in water of organically bound chlorine, bromine and iodine (expressed as chloride) adsorbable on activated carbon.
This method is applicable to test samples (see 9.2) with concentrations of inorganic chloride ions of less than 1g/l. Samples with higher concentrations are diluted prior to analysis.
This method is also applicable to samples containing suspended solids where halogens are adsorbed onto the solid matter (e.g. insoluble halides). Filtration of the sample before analysis allows the separate determination of dissolved and particulate adsorbable organically bound halogens (AOX).
Filtered samples with high inorganic chloride content can be analysed by a modified method [dissolved adsorbable organically bound halogens after solid phase extraction in waters with high salt content (SPE-AOX)] (see AnnexA). However, results obtained by this modified method can differ significantly from those of the required method.
| Standards | Relationship |
| I.S. EN ISO 9562:2004 | Identical |
| DIN EN ISO 9562:2005-02 | Identical |
| EN ISO 9562:2004 | Identical |
| NF EN ISO 9562 : 2005 | Identical |
| ISO 9562:2004 | Identical |
| NBN EN ISO 9562 : 2004 | Identical |
| NEN EN ISO 9562 : 2004 | Identical |
| NS EN ISO 9562 : 1ED 2004 | Identical |
| UNE-EN ISO 9562:2005 | Identical |
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