纯度：>99.999%IsotopicEnrichment>99.8%杂质规格CO2CarbonDioxide二氧化碳0.5ppmCOCarbonMonoxide***0.5ppmHDDeuteriumHydride氢化***3000.0ppmH2Hydrogen氢气100ppmN2Nitrogen氮气1.0ppmO2Oxygen氧气0.5ppmTHCTotalHydrocarb***碳氢化合物0.5ppm3HTritium氚<0.002µci/LH2O/D2OWater/DeuteratedWater水/重水1.0ppm)