High efficiency Silica gel & Molecular sieves are used for the purpose of removing moisture from the carrier gas. Silica gel is of indicating type changing its colour from blue to pink on use, having high moisture capacity. Molecular sieves are of...
Activated charcoal is used for the purpose of removing hydrocarbon impurities from the carrier as well as fuel gases, especially for reducing the errors in analysis while using FID. These materials have a very large surface area & pore diameter to...