Name:helium gas Purity:99.9-99.999% Packing: ... colourless, odourless, non-flammable, non-reactive, inert gas Application: Helium has been initially and widely used in ... Controlled atmospheres Helium is used as a protective gas in growing siliconand germaniumcrystals, in titaniumand zirconiumproduction, ... heavy. Helium is a commonly used carrier gas for gas chromatography. The age of rocks and minerals ...