发明授权
US5892137A Purification of pentafluroethane 失效
五氟乙烷的纯化

Purification of pentafluroethane
摘要:
To remove the traces of chlorotrifluoroethylene (F1113) which are present in a pentafluoroethane (F125), the F125 is passed through a bed of active carbon.
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