دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: in commercial transactions, a product meeting GPA specification for commercial butane and, in addition, containing a minimum of 95 liquid volume percent normal butane. Chemicall, normal butane is an aliphatic compound of the paraffin series with the chemical formula C4H10 and all of its carbon atoms joined in a straight chain.