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  1. AC.l

    Gas Group Acetylene in a mixture

    Hi, I have a mixed gas containing amongst others Hydrogen, acetylene and methane. Gas would be group IIB if it weren't for the hydrogen and acetylene. Hydrogen is low, below 30% vol and inline with IEC 60079-10-1 2020 page 103 annex H.1 the gas doesn't come under the IIC classification from...

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