Name: BS 6068-2.83(2003) : 2003
Brand: BSI

WATER QUALITY - DETERMINATION OF NITROGEN - DETERMINATION OF BOUND NITROGEN (TN[B]), FOLLOWING OXIDATION TO NITROGEN OXIDES

Published date

11-23-2012

Publisher

British Standards Institution

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

Defines 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.

Committee	EH/3/2
DevelopmentNote	Also numbered as BS EN 12260 Supersedes DD ENV 12260 & 02/561594 DC (10/2003) Reviewed and confirmed by BSI, July 2008. (06/2008)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Current
Supersedes	02/561594 DC : DRAFT APR 2002 DD ENV 12260:1996

Standards	Relationship
EN 12260:2003	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 5667-3:2012	Water quality Sampling Part 3: Preservation and handling of water samples
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)