- -80%
ASTM UOP 976 : 2002 Trace C4-C9 Saturates in High Purity Aromatics by GC
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Describes gas chromatographic method for determining individual and composite trace non-aromatic hydrocarbon impurities in olefin-free aromatic mixtures. C[8] and lower boiling paraffins and naphthenes are determined individually and then summed by carbon number and carbon type.