Question

the method of collecting sulphur dioxide gas​

Answer 1

→Answers :

→NIOSH recommends ion chromatography .for the determination of sulfur dioxide gas.

→Commercially it is obtained as a by-product released from the roasting of sulphide ores.

→The gas obtained is dried, liquefied and then stored in steel cylinders..

Answer 2

Explanation:

NIOSH recommends ion chromatography ( method 6004 ) for the determination of sulphur dioxide in ambient air ( NIOSH 1994a ) . Method 6004 is specific for sulphur dioxide and is applicable to STEL samples ; the working range is. 5-20 mg/m³ ( 0.2-8 ppm ) for 100 - L air sample (NIOSH 1994a) .