Trace Elements in West Virginia Coals

Zinc (Zn) Summary Statistics

Zinc in West Virginia coals averaged 14.97 ppm (± 17.57 ppm) with a histogram skewed toward low values showing a tail toward higher values and a maximum value of 202.4 ppm. Zinc correlated slightly with only cadmium (Cd) (r = +0.6250) and poorly with ash yield (r = +0.5284). Zinc and cadmium are closely associated in the mineral sphalerite (ZnS) which has been found in only 4 of 24 West Virginia coal samples in an unpublished study by the WVGES.

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Page last revised: March 1, 2002

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