Name of pollutant | Analytical method | source |
Sulfur dioxide (SO2) | Sulfur dioxide (SO2) formaldehyde absorption para rosaniline spectrophotometry; Mercury tetrachloride parafuchsin spectrophotometry; UV fluorescence method; | GB/T 15262-94 GB 8970-88 |
Inhalable particulate matter | Gravimetric analysis | GB6921-86 |
Nitrogen dioxide (NO2) | Saltzman analysis method Chemiluminescence method | GB/T 15436-95 |