Mass fraction of the
packing material which is carbon. Usually taken
as a guide to the extent of alkyl substitution on the surface. Usually
reported as percentage carbon determined using elemental analysis.
Source:
PAC, 1997, 69, 1475
(Classification and characterization of stationary phases for liquid chromatography:
Part I. Descriptive terminology (IUPAC Recommendations 1997))
on page 1477