ONORM EN 12260 : 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 NITROGEN - DETERMINATION OF BOUND NITROGEN (TNB), FOLLOWING OXIDATION TO NITROGEN OXIDES
11-11-2022
12-01-2013
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
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