Standard Svensk standard · SS-EN 14625:2012

Utomhusluft - Standardmetod för mätning av koncentrationen av ozon med ultraviolett fotometri

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Standard Svensk standard · SS-EN 14625:2012

Utomhusluft - Standardmetod för mätning av koncentrationen av ozon med ultraviolett fotometri
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Omfattning
This European Standard specifies a continuous measurement method for the determination of the concentrations of ozone present in ambient air based on the ultraviolet photometric measuring principle. This standard describes the performance characteristics and sets the relevant minimum criteria required to select an appropriate ultraviolet photometric analyser by means of type approval tests. It also includes the evaluation of the suitability of an analyser for use in a specific fixed site so as to meet the data quality requirements as specified in Annex I of Directive 2008/50/EC [1] and requirements during sampling, calibration and quality assurance for use.
The method is applicable to the determination of the con¬centration of ozone present in ambient air up to 500 µg/m3. This concentration range represents the certification range for ozone for the type approval test.
NOTE 1 Other ranges may be used depending on the levels present in ambient air.
NOTE 2 When the standard is used for other purposes than for measurements required by Directive 2008/50/EC, the ranges and uncertainty requirements may not apply.
The method covers the determination of ambient air concentrations of ozone in areas classified as rural, urban and urban-background areas.
The results are expressed in µg/m3 (at 20 ?C and 101,3 kPa).
NOTE 3 500 µg/m3 of O3 corresponds to 250 nmol/mol of O3 at 20 ?C and 101,3 kPa.
This standard contains information for different groups of users.
Clauses 5 to 7 and Annexes B and C contain general information about the principles of ozone measurement by ultraviolet photometric analyser and sampling equipment.
Clause 8 and Annex E are specifically directed towards test houses and laboratories that perform type-approval testing of ozone analysers. These sections contain information about:
- Type-approval test conditions, test procedures and test requirements;
- Analyser performance requirements;
- Evaluation of the type-approval test results;
- Evaluation of the ...

Ämnesområden

Omgivningsluft (13.040.20)


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Standard Svensk standard · SS-EN 14625:2012

Utomhusluft - Standardmetod för mätning av koncentrationen av ozon med ultraviolett fotometri
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Pris: 1 570 SEK
standard ikon pdf

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Produktinformation

Språk: Engelska

Framtagen av: Utomhusluft, SIS/TK 423/AG 04

Internationell titel: Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry

Artikelnummer: STD-87238

Utgåva: 2

Fastställd: 2012-08-25

Antal sidor: 104

Ersätter: SS-EN 14625:2005