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ASTM International - ASTM D3824-95(2005)

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

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Organization: ASTM International
Publication Date: 1 October 2005
Status: inactive
Page Count: 12
ICS Code (Workplace atmospheres): 13.040.30
significance And Use:

Most oxides of nitrogen are formed during high-temperature combustion. The Environmental Protection Agency (EPA) has set primary and secondary air quality standards for NO2 that are... View More

scope:

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/m

3 (ppm) (Note 1)

mg/m

3 (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.

Document History

December 1, 2020
Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by Chemiluminescence
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...
April 1, 2012
Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by the Chemiluminescent Method
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...
ASTM D3824-95(2005)
October 1, 2005
Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by the Chemiluminescent Method
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...
January 1, 2000
Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by the Chemiluminescent Method
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...
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