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BS EN 16339:2013

Current
Current

The latest, up-to-date edition.

Ambient air. Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle of the method
5 Materials
6 Sampling
7 Analytical procedure
8 Calculation of the concentration of nitrogen dioxide
9 Quality control/quality assurance
10 Report
11 Performance requirements and measurement uncertainty
Annex A (normative) - Description of samplers
Annex B (informative) - Other samplers
Annex C (informative) - Estimation of the uptake rate of the
        samplers
Annex D (informative) - Measurement uncertainty
Bibliography

Defines a method for the sampling and analysis of NO[2] in ambient air using diffusive sampling followed by extraction and analysis by colorimetry or ion chromatography (IC).

This European Standard specifies a method for the sampling and analysis of NO2 in ambient air using diffusive sampling followed by extraction and analysis by colorimetry or ion chromatography (IC). It can be used for the NO2 measurement in a concentration range of approximately 3 μg/m³ to 130 μg/m3. A sample is typically collected for a period of 1 to 4 weeks [13], with exposure periods depending on the design of the samplers and the concentration levels of NO2.

Several sorbents can be used for trapping NO2 in ambient air using a diffusive sampler. This standard specifies the application of triethanolamine as the reagent.

Nitrous acid and peroxyacetyl nitrate are the major chemical interferences of sorption by triethanolamine. However, in ambient air monitoring over long sampling times, both contaminants are generally present at low concentrations relative to NO2. Moreover, these species can also interfere with the measurement of NO2 when applying the EU reference method for NO2 monitoring based on chemiluminescence (see [2]).

This standard describes the application of a tube-type sampler with either a cylindrical or a slightly conical tube. Its typical uptake rate is about 1 cm3/min. Only for this sampler type sufficient evidence of validation has been found in a literature survey [12].

The relative expanded uncertainty of NO2 measurements performed using these tube-type diffusive samplers can potentially be lower than 25 % for individual measurements. When aggregating results to form annual average values, the relative expanded uncertainty can be further reduced to levels below 15 % due to the reduction of random effects on uncertainty [6].

Committee
EH/2/3
DocumentType
Standard
Pages
54
PublisherName
British Standards Institution
Status
Current

Standards Relationship
EN 16339:2013 Identical

ISO 4793:1980 Laboratory sintered (fritted) filters — Porosity grading, classification and designation
ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
ISO 3585:1998 Borosilicate glass 3.3 Properties
ISO Guide 35:2017 Reference materials Guidance for characterization and assessment of homogeneity and stability
EN ISO 20988:2007 Air quality - Guidelines for estimating measurement uncertainty (ISO 20988:2007)
EN 13528-1:2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 1: General requirements
EN 13528-2:2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 2: Specific requirements and test methods
EN ISO 16000-15:2008 Indoor air - Part 15: Sampling strategy for nitrogen dioxide (NO2) (ISO 16000-15:2008)
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
EN 13528-3:2003 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 3: Guide to selection, use and maintenance
ISO 20988:2007 Air quality Guidelines for estimating measurement uncertainty
EN 14211:2012 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
ISO 16000-15:2008 Indoor air — Part 15: Sampling strategy for nitrogen dioxide (NO2)
ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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