I.S. EN 12260:2003
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF NITROGEN - DETERMINATION OF BOUND NITROGEN (TNB), FOLLOWING OXIDATION TO NITROGEN OXIDES
Hardcopy , PDF
English
01-01-2003
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Interferences
5 Reagents
6 Apparatus
7 Sampling and sample preparation
8 Procedure
9 Establishment of the calibration curve
10 System check
11 Calculation
12 Expression of results
13 Test report
14 Precision data
Annex A (informative) Determination of bound nitrogen
using other techniques
Annex B (informative) Recovery rates of single compounds
using oxidation and chemiluminescence detection
Annex C (informative) Precision data
Bibliography
Provides a method for the determination of nitrogen in water in the form of free ammonia, ammonium, nitrite, nitrate and organic compounds capable of conversion to nitrogen oxides under the oxidative conditions described.
| DevelopmentNote |
Supersedes I.S. ENV 12260 (11/2003)
|
| DocumentType |
Standard
|
| Pages |
15
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ONORM EN 12260 : 2003 | Identical |
| NBN EN 12260 : 2003 | Identical |
| NEN EN 12260 : 2003 | Identical |
| NF EN 12260 : 2004 | Identical |
| UNI EN 12260 : 2004 | Identical |
| BS EN 12260:2003 | Identical |
| SN EN 12260 : 2003 | Identical |
| EN 12260:2003 | Identical |
| DIN EN 12260:2003-12 | Identical |
| NS EN 12260 : 1ED 2003 | Identical |
| UNE-EN 12260:2004 | Identical |
| ISO 2854:1976 | Statistical interpretation of data — Techniques of estimation and tests relating to means and variances |
| EN 1484:1997 | Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) |
| ISO 8466-2:2001 | Water quality — Calibration and evaluation of analytical methods and estimation of performance characteristics — Part 2: Calibration strategy for non-linear second-order calibration functions |
| 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 |
| EN ISO 5667-3:2012 | Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2012) |
| 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 |
| EN ISO 3696:1995 | Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) |
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