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Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction) (Includes all amendments and changes 7/18/2018).
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NORM herausgegeben am 1.7.2018
Bezeichnung normen: ASTM D1607-91(2018)e1
Ausgabedatum normen: 1.7.2018
SKU: NS-853668
Zahl der Seiten: 5
Gewicht ca.: 15 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
ambient atmospheres, analysis, colorimetric analysis, Griess-Saltzman Reaction, nitrogen dioxide, sampling,, ICS Number Code 13.040.20 (Ambient atmospheres)
Significance and Use | ||||||||||||||||||||
5.1 Nitrogen dioxide plays an important role in photochemical smog-forming reactions and, in sufficient concentrations, is deleterious to health, agriculture, materials, and visibility. 5.2 In combustion processes, significant amounts of nitric oxide (NO) may be produced by combination of atmospheric nitrogen and oxygen; at ambient temperatures NO can be converted to NO1.1 This test method2 covers the manual determination of nitrogen dioxide (NO1.2 For concentrations of NO1.3 The maximum sampling period is 60 min at a flow rate of 0.4 L/min. 1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard. 1.5 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. 1.6 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. |
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