Sludge ash reference sample
J.R. Knechtel and J.L. Fraser
Wastewater Technology Centre, Burlington, Ontario L7R 4A6, Canada
Abstract
A sludge ash reference sample has been prepared. It has been analyzed
by twenty-one independent laboratories. Information is presented
on the number of analysts reporting each element, and the various
instrumental methods used. Results are reported for twenty-six
elemental determinations. Recommended elemental composition of
the sample is given for twenty-one elements.
Geostandards Newsletter
(1980), Vol. 4 No. 2 pp. 213-215
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