99.999% Vapor Phase Impurities 氣相雜質(zhì) Contaminants 雜質(zhì) Specifications (ppmv) 規(guī)格 H2 Hydrogen氫氣 <0.5 Ar+O2 Argon+Oxygen氬氣+氧氣 <2.0 N2 Nitrogen氮?dú)?<3.0 Xe Xenon氙氣 <4.0 N2O Nitrous Oxide氧化亞氮 <0.5 THC Total Hydrocarbon碳?">
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