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        1. Proudcts
          Current location:Prodcuts >Hydrogen
          Hydrogen
          Hydrogen
        2. Hydrogen
        3. Technical parameter

          Item

          Index

           

          Top grade

          First grade

          Qualified product

          The volume fraction of hydrogen (H 2 )/10 -2 ≥

          99.95

          99.50

          99.00

          The volume fraction of oxygen (O 2 )/10 -2 ≤

          0.01

          0.20

          0.40

          The volume fraction of nitrogen plus argon (N 2 +Ar)/10 -2  ≤

          0.04

          0.30

          0.60

          Dew point/℃ ≤

          -43

          -

          -

          Free water/(mL/40L bottle)

          -

          No free water

          ≤100

          Note: The moisture index of industrial hydrogen in pipeline transportation and other packaging forms of Qualified products shall be negotiated between the supplier and the buyer.

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