高純氣體氫(h2) hydrogen純度purity≥,%雜質含量:impurities(≤,ppm)99.9999n2o2coco2thch2o0.020.010.020.020.020.5099.999o2thch2o 3.03.03.0 氮(n2) nitrogen純度purity≥,%雜質含量:impurities(≤,ppm)99.999h2o2thc+co+co2h2o1.03.03.03.0氬(ar) argon純度purity≥,%雜質含量:impurities(≤,ppm)99.999h2o2thc+co+co2
更新時間:2025-05-14