Specification :- « Standard system consists of a panel incorporating gas controls and purification traps for four gases in a unit, namely, Nitrogen, Helium, Hydrogen and Zero Air. « Frequent changeover of carrier gas from Helium to Nitrogen is...
The gases used in the GC have to be pure and free from Oxygen, Hydrocarbons and moisture as they are harmful to GC. The hydrocarbons present may give baseline noise and irreproducible results. Moisture and oxygen can strip phase, cause excessive...