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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.040 Air quality>13.040.20 Ambient atmospheres>BS 1747-9:1987 Methods for measurement of air pollution Determination of the mass concentration of nitrogen oxides in ambient air: chemiluminescence method
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immediate downloadReleased: 1987-09-30
BS 1747-9:1987 Methods for measurement of air pollution Determination of the mass concentration of nitrogen oxides in ambient air: chemiluminescence method

BS 1747-9:1987

Methods for measurement of air pollution Determination of the mass concentration of nitrogen oxides in ambient air: chemiluminescence method

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Standard number:BS 1747-9:1987
Pages:18
Released:1987-09-30
ISBN:0 580 15501 3
Status:Standard
DESCRIPTION

BS 1747-9:1987


This standard BS 1747-9:1987 Methods for measurement of air pollution is classified in these ICS categories:
  • 13.040.20 Ambient atmospheres

This International Standard specifies a chemiluminescence method for the determination of the mass concentration of nitrogen oxides present in ambient air.

The method is applicable to the determination of the mass concentration of nitrogen monoxide present in ambient air up to approximately 12,5 mg/m3 and of nitrogen dioxide up to approximately 19 mg/m3 respectively1) at 25 °C and 101,3 kPa.

For interferents, see 6.6.

1) At the temperature and pressure given, the following conversion factors apply.


Applicable to the measurement of NO up to a concentration of 12.5 mg/m3 and of NO2 up to 19 mg/m3 at 25°C and 101.3 kPa.