ISO/TC 146 Luftbeschaffenheit,
ISO/TC 146 Air quality,
ISO/TC 146 Qualité de l'air,
ISO Internationale Organisation für Normung,
ISO International Organization for Standardization,
ISO Organisation Internationale de Normalisation
ISO 10313
: Ambient air; determination of the mass concentration of ozone; chemiluminescence method
- [1993-04-00]
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Medientyp:
Norm
Titel:
ISO 10313
:
Ambient air; determination of the mass concentration of ozone; chemiluminescence method
Weitere Titel:
Früher unter dem Titel: ISO/DIS 10313 (1991-04)
Außenluft; Bestimmung der Massenkonzentration von Ozon; Chemilumineszenzverfahren
Air ambiant; détermination de la concentration en mass d'ozone; méthode par chimiluminescence
Anmerkungen:
Internationale Übereinstimmung mit: BS 1747-12 (1993-10-15), IDT*JIS B 7957 (2006-03-25), MOD*PN-ISO 10313 (2000-10-17), IDT*UNE 77232 (1996-02-28), IDT*KS I ISO 10313 (2005-09-26), IDT
Beschreibung:
The method specified is based on drawing continuously, at a constant flow rate, an air sample through a particle filter before it enters the chemiluminescence analyser. It then flows into a reaction chamber where it is mixed with an excess flow of ethylene. Ozone and ethylene react instantaneously to produce light in the visible region (maximum at about 400 nm). The emitted light intensity is proportional to the concentration of ozone in the air sample and is measured by a photomultiplier tube. Applies to determination of the mass concentration of ozone between 2 µg/m<sup>3</sup> and 10 mg/m<sup>3</sup> at the reference conditions.