Ambient air. Determination of mass concentration of nitrogen dioxide. Modified Griess-Saltzman method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-10-1998

Publisher

British Standards Institution

Applicable within the range 0,003 to about 2 mg/m³ with a sampling period from 10 min to 2 h.

This International Standard specifies a modified Griess-Saltzman method for the determination of the mass concentration of nitrogen dioxide present in ambient air.

The method is applicable to the determination of the mass concentration of nitrogen dioxide present in ambient and confined air within the range 0,003mg/m³ to 2mg/m³ and for sampling times between 10min and 2h.

Substances present in the air mass under investigation, and thus in the air sample, and known to have an effect on the instrument reading, are given in 7.4. Information on the performance characteristics is given in 8.2.

The method is not suitable for personal breathing-zone sampling.

The Griess-Saltzman method is suitable for the analytical check of calibration gas mixtures which are used to calibrate chemiluminescence analysers (see ISO7996).

Committee	EH/2/3
DevelopmentNote	Supersedes 95/521515 DC and BS 1747-8(1986). (08/2004)
DocumentType	Standard
Pages	14
PublisherName	British Standards Institution
Status	Current
Supersedes	95/521515 DC : DRAFT AUG 1995 BS 1747-8:1986

Standards	Relationship
ISO 6768:1998	Identical

ISO 6349:1979	Gas analysis Preparation of calibration gas mixtures Permeation method
ISO 7996:1985	Ambient air — Determination of the mass concentration of nitrogen oxides — Chemiluminescence method

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BS ISO 6768:1998

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