Tag: ambient air pollutant

Principle: SO2 in ambient air is collected in a solution of Tetrachloromercurate (TCM) with the formation of...

Principle:   NH3 in air is collected by scrubbing a known volume of air in a  dilute solution...

Principle: NO2 in air is collected by scrubbing a known volume of air in a solution of sodium hydroxide-sodium arsenite solution. The...

Principle:  Micro-amounts of Ozone (O3)  collected by absorption in a solution of potassium iodide buffered to a pH of 6.8.The released iodine...