1.1 This standard ( Part VII) prescribes a method for the measurement of concentration of hydrogen sulphide in community air.
1.1.1 The range of concentration covered in this method is 6 υg/m3 to 600 υg/m3 of hydrogen sulphide in air.
IS 5182 Pt.7-1973 history
1974IS 5182 Pt.7-1973 Air pollution measurement methods Part Ⅶ Hydrogen sulfide