Ox

There are many hazardous gases (like H2S, SO2, CO2, NH3, NO2, NO, etc.) that are used and/or are byproducts in agricultural sector, chemical industries, medicinal fields, refrigeration systems etc. The detection of these gases in an environment is very important due to safety reasons. However, among these gases, due to toxic nature and pungent odor, ammonia not only contributes toward air pollution but also causes irritation effect to the human beings even at very lower concentrations (below 50 ppm level).…...