I.S. EN ISO 13395:1997
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION
Hardcopy , PDF
English
01-01-1997
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.
Committees responsible
National foreword
Foreword
Method
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Checking the flow system
7 Sampling and sample preparation
8 Interferences
9 Procedure
10 Evaluation
11 Expression of results
12 Precision
13 Test report
Annexes
A (informative) Examples of flow injection systems (5.1)
for the determination of nitrite(N) and nitrite/
nitrate (N)
B (informative) Examples of continuous flow systems
(5.2) for the determination of nitrate (N) and
nitrite/nitrate (N)
C (informative) Example of a continuous flow system
(so-called 'macroflow') (5.2) for the determination
of 0,2 mg/l to 2 mg/l nitrite/nitrate (N)
D (informative) Bibliography
Tables
1 Options for preparing the solutions C and B in
figures A.1, B.1 and C.1
2 Preparation of the calibration solutions for
nitrite (N)
3 Preparation of the calibration solutions for
nitrite/nitrate (N)
4 Statistical data for the determination of nitrite (N)
with flow injection analysis (FIA)
5 Statistical data for the determination of nitrite (N)
with continuous flow analysis (CFA)
6 Statistical data for the determination of nitrite/
nitrate (BN) with flow injection analysis (FIA)
7 Statistical data for the determination of nitrite/
nitrate (N) with continuous flow analysis (CFA)
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