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BS EN ISO 13395:1996

BS EN ISO 13395:1996

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Water quality. Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-15-1996

Publisher

British Standards Institution

Committees responsible
National foreword
Foreword
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
Annex A (informative) - Examples of flow injection systems
                        (5.1) for the determination of
                        nitrite(N) and nitrite/nitrate(N)
Annex B (informative) - Examples of continuous flow systems
                        (5.2) for the determination of
                        nitrate(N) and nitrite/nitrate(N)
Annex 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)
Annex D (informative) - Bibliography
List of references

Describes a method for the determination of nitrite(N), nitrate(N) or the sum of both [nitrite/nitrate(N)], in various types of waters (such as ground, drinking, surface, and waste waters) in mass concentrations ranging from 0,01 mg/l to 1 mg/l for nitrite(N) and from 0,2 mg/l to 20 mg/l for nitrite/nitrate(N), both in the undiluted sample.

This International Standard specifies a method for the determination of nitrite(N) (see note2), nitrate(N) or the sum of both [nitrite/nitrate(N)], in various types of waters (such as ground, drinking, surface, and waste waters) in mass concentrations ranging from 0,01mg/l to 1mg/l for nitrite(N) and from 0,2mg/l to 20mg/l for nitrite/nitrate(N), both in the undiluted sample. The range of application can be changed by varying the operating conditions. NOTES Seawater may be analysed with changes in respect to sensitivity and adaptation of the carrier solution and calibration solutions to the salinity of the samples. The following concise terms are used in the text of this International Standard: nitrite(N): (mass concentration of) nitrite, expressed as nitrogen nitrate(N): (mass concentration of) nitrate, expressed as nitrogen nitrite/nitrate(N): (mass concentration of) the sum of nitrite(N) and nitrate(N)

Committee
EH/3/2
DevelopmentNote
Supersedes 94/501676 DC. (11/2005) Reviewed and confirmed by BSI, November 2007. (10/2007)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current
Supersedes

10/30184124 DC : 0 BS 8525-2 - GREYWATER SYSTEMS - PART 2: DOMESTIC GREYWATER TREATMENT EQUIPMENT - REQUIREMENTS AND TEST METHODS
BS 8525-2:2011 Greywater systems Domestic greywater treatment equipment. Requirements and test methods

BS EN ISO 3696:1995 Water for analytical laboratory use. Specification and test methods
ISO 5667-2:1991 Water quality Sampling Part 2: Guidance on sampling techniques
ISO 6777:1984 Water quality — Determination of nitrite — Molecular absorption spectrometric method
ISO 5667-3:2012 Water quality Sampling Part 3: Preservation and handling of water samples
BS EN 25667-1:1994 Water quality. Sampling Guidance on the design of sampling programmes
NFT 90 012 : 1987 ESSAIS DES EAUX - DOSAGE DES NITRATES ET DES NITRITES - METHODE AUTOMATIQUE PAR SPECTROMETRIE D'ABSORPTION MOLECULAIRE
ISO 5667-1:2006 Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
BS EN 25667-2:1993 Water quality. Sampling Guidance on sampling techniques
BS EN 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric method

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