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ASTM D3824-95(2000)

Historical Reaffirmation

Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by Chemiluminescence

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1.1 These test methods cover procedures for the continuous determination of total nitrogen dioxide (NO2) and nitric oxide (NO) as NOx, or nitric oxide (NO) alone or nitrogen dioxide (NO2) alone, in the ranges shown in the following table:

Range of Concentration
Gas Ambient AtmosphereWorkplace Atmosphere
g/m3 (ppm) (Note 1)mg/m3 (ppm) (NOTE 1)
NO 10 to 600 (0.01 to 0.5) 0.6 to 30 (0.5 to 25)
(NO + NO2) = NOx20 to 1000 (0.01 to 0.05)1 to 50 (0.5 to 25)
NO220 to 1000 (0.01 to 0.5) 1 to 50 (0.5 to 25)

Note 1--Approximate range: 25oC and 101.3 kPa (1 atm).

1.2 The test methods are based on the chemiluminescent reaction between nitric oxide and ozone.

1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 9.


SDO ASTM: ASTM International
Document Number D3824
Publication Date Jan. 1, 2000
Language en - English
Page Count 13
Revision Level 95(2000)
Supercedes
Committee D22.03
Publish Date Document Id Type View
Dec. 1, 2020 D3824-20 Revision
April 1, 2012 D3824-12 Revision
Oct. 1, 2005 D3824-95R05 Reaffirmation
Jan. 1, 2000 D3824-95R00 Reaffirmation