Argon

Argon (CAS 7440-37-1) is supplied at pharmaceutical grade with purity up to 99.9999%, meeting tight limits on hydrogen, oxygen, nitrogen, carbon oxides, methane and moisture. It is used in analytical instrumentation such as ICP and gas chromatography, in lighting and phosphor tube manufacturing, and as a protective or carrier gas in metallurgical heat treatment and semiconductor production, manufactured directly by Shanghai Wechem Technology Limited for global distribution.