GB/T 13906-1992
AbolishedAir quality--Determination of nitrogen oxides
空气质量 氮氧化物的测定
Application Summary AI generated
This standard specifies the analytical method for determining nitrogen oxides (NOx) in ambient air, using Saltzman reagent for colorimetric measurement. It is applied in environmental monitoring stations and industrial hygiene assessments to evaluate air pollution levels from sources such as vehicle emissions and combustion processes. The standard is primarily used for stationary sampling and laboratory analysis in China's urban and industrial air quality monitoring programs.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.