... .9-99.9999% 3.Helium-He,Neon-Ne,Krypton-Kr,Xenon-Xe 4.best quality Neon (Ne), Krypton (Kr) and Xenon (Xe ... (ppm)riptioncation1Ar99.999-99.9996%5N,N2≤4,H2≤1,O2≤2,N2≤2,THC≤2,H2O≤42He≥99%Ne( H2 ... ,H2O≤2099.999-99.9996%5N,Ne≤4,H2≤1,O2 ( Ar)≤1,N2 ≤2,THC≤1.5,H2O≤33Ne99. ... H2O≤3,Xe≤50,Total Residues≤10099.995%N2≤10,O2+Ar≤5,H2≤1,TC≤2,H2O≤3,Xe≤30 ... Kr≤50,N2O≤1,Total Residues≤10099.995%N2≤10,O2+Ar≤4,H2≤1,TC≤2,H2 O≤3,Kr ...