... oxygen in nitrogen, hydrogen, argon, helium , carbon monoxide, carbon dioxide and other inert gases description: It can remove ... oxygen in nitrogen, hydrogen, argon, helium , carbon monoxide, carbon dioxide and other inert gases. The pressure is not ... chemical properties: itemindexAppearanceBlack and amorphousmaterialN2,Ar,He,CO,CO2 etcOxygen-removal content1500remaining oxygen,ppm ≤1 Reference ...