高纯气体氢(h2) hydrogen纯度purity≥,%杂质含量:impurities(≤,ppm)99.9999n2o2coco2thch2o0.020.010.020.020.020.5099.999o2thch2o 3.03.03.0 氮(n2) nitrogen纯度purity≥,%杂质含量:impurities(≤,ppm)99.999h2o2thc+co+co2h2o1.03.03.03.0氩(ar) argon纯度purity≥,%杂质含量:impurities(≤,ppm)99.999h2o2thc+co+co2
更新时间:2025-02-13