Name: AS 2365.1.2-1990 - Methods for the sampling and analysis of indoor air Determination of nitrogen dioxide - Spectrophotometric method - Treated filter/passive badge sampling procedure
Brand: Standards Australia

Methods for the sampling and analysis of indoor air Determination of nitrogen dioxide - Spectrophotometric method - Treated filter/passive badge sampling procedure

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Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

06-08-1990

Publisher

Standards Australia

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1 - AS 2365.1.2-1990 METHODS FOR THE SAMPLING AND ANALYSIS OF INDOOR AIR - DETERMINATION OF NITROGEN DIOXIDE - SPECTROPHOTOMETRIC
1 - PREFACE
1 - CONTENTS
1 - METHOD
1 - 1 SCOPE.
1 - 2 APPLICATION.
2 - 3 REFERENCED DOCUMENTS.
2 - 4 PRINCIPLE.
2 - 5 DEFINITION.
2 - 6 REAGENTS AND MATERIALS.
2 - 6.1 General requirements.
2 - 6.2 Sodium nitrite solution.
2 - 6.3 Triethanolamine solution.
2 - 6.4 Azo dye-forming reagent.
2 - 6.5 Standard dye solution.
2 - 6.6 Reference gas.
2 - 6.7 Diluent gas.
2 - 7 APPARATUS.
2 - 7.1 Passive sampling badge (see Figure 1)
3 - 7.2 Spectrophotometer
3 - 7.3 Chemiluminescence nitrogen dioxide analyser
3 - 7.4 Drying oven
3 - 7.5 Gas mixing manifold
3 - 8 PREPARATION OF PASSIVE SAMPLING BADGES.
3 - 9 SAMPLING.
4 - 10 PROCEDURE.
4 - 10.1 Calibration graph.
4 - 10.2 Calibration constant.
5 - 10.3 Determination.
5 - 11 CALCULATION AND EXPRESSION OF RESULTS.
5 - 12 PRECISION.
6 - 13 TEST REPORT.
6 - 14 BIBLIOGRAPHY.

Sets out a spectrophotometric method for the determination of nitrogen dioxide in indoor air using a passive sampling treated filter technique. This method is applicable to indoor air in which the expected nitrogen dioxide concentration is within the range 0 to 3 ppm (V/V) (0 to 6000µg/m(sup)3(/sup)) for an exposure time of 1h, and has a detection limit of 0.35 ppm for a 2h sampling period.

Committee	CH-019
DocumentType	Standard
ISBN	0 7262 6258 7
Pages	6
ProductNote	Reconfirmed 14/10/2014.This standard has been reconfirmed in Australia in 2014 and remains current in New Zealand. Reconfirmation Notice 14/10/2014
PublisherName	Standards Australia
Status	Current
Supersedes	DR 89025

This Standard sets out a spectrophotometric method for the determination of nitrogen dioxide in indoor air using a passive sampling, treated filter technique. This method is applicable to indoor air in which the expected nitrogen dioxide concentration is within the range 0 to 3 p.p.m. (V/V) (0 to 6 000 mg/m3) for an exposure time of 1 h, and has a detection limit of 0.035 p.p.m. for a 2 h sampling period.

First published as AS 2365.1.2-1990.

AS 3580.2.2-1990	Methods for sampling and analysis of ambient air Preparation of reference test atmospheres - Compressed gas method
AS 2365.1.1-1990	Methods for the sampling and analysis of indoor air Determination of nitrogen dioxide - Spectrophotometric method - Treated mesh/passive tube sampling procedure
AS 3753-2001	Recommended practice for chemical analysis by ultraviolet/visible spectrophotometry (Reconfirmed 2016)
AS 3536-1988	Reference gases - Preparation of gravimetric standards
AS 3580.5.1-1993	Methods for sampling and analysis of ambient air Determination of oxides of nitrogen - Chemiluminescence method

AS 2365.1.1-1990

Methods for the sampling and analysis of indoor air Determination of nitrogen dioxide - Spectrophotometric method - Treated mesh/passive tube sampling procedure

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AS 2365.1.2-1990

Methods for the sampling and analysis of indoor air Determination of nitrogen dioxide - Spectrophotometric method - Treated filter/passive badge sampling procedure

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