ASTM-D3824 2020

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D3824-20 Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by Chemiluminescence

Published By	Publication Date	Number of Pages
ASTM	2020

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Categories: 13.040.30 - Workplace atmospheres, ASTM

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Description

ASTM D3824-20

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

ASTM D3824

Scope

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

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

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.4 This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 9.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

ambient atmospheres; analysis; chemiluminescence reaction; nitric oxide; nitrogen dioxide; oxides of nitrogen; sampling; workplace atmospheres;

ICS Code

ICS Number Code 13.040.30 (Workplace atmospheres)

DOI: 10.1520/D3824-20

Additional information


NO2	20 to 1000 (0.01 to 0.5)
NO	10 to 600 (0.01 to 0.5)
Gas	Ambient Atmosphere
(NO + NO2) = NOx	20 to 1000 (0.01 to 0.05)
ICS Codes	13.040.30 - Workplace atmospheres