High quality, 99.999% ~99.9999%He

Specification		Certified   Concentration	Units	Analytical Method
Helium (He)	≥ 99.9999	≥ 99.9999	%	GC/PDID
(N 2 )	≤ 0.5	≤ 0.5	ppmv	GC/PDID
Oxygen (O 2 )	≤ 0.2	≤ 0.2	ppmv	GC/PDID
Monoxide (CO)	≤ 0.1	≤ 0.1	ppmv	GC
Carbon Dioxide (CO 2 )	≤ 0.1	≤ 0.1	ppmv	GC
Other Halocarbons(THC)	≤0.1	≤0.1	ppmv	GC
Moisture (H 2 O)	≤ 0.2	≤ 0.2	ppmv	Moisture Analyzer