GB/T 8970-1988
AbolishedAir quality--Determination of sulfur dioxide in ambient air--Tetrachloromercurate(TCM)-pararosaniline method
空气质量 二氧化硫的测定 四氯汞盐-盐酸副玫瑰苯胺比色法
Application Summary AI generated
This standard specifies the tetrachloromercurate (TCM)-pararosaniline spectrophotometric method for determining sulfur dioxide (SO₂) concentration in ambient air. It is applied in environmental monitoring stations and air quality assessment programs to measure SO₂ levels in outdoor atmospheres, particularly for compliance with ambient air quality standards and pollution control studies. The method is suitable for manual sampling and laboratory analysis of air samples collected from urban, industrial, or background monitoring sites.
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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.