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Manual on Fire Assaying to Separate Nobel Metals (Ag,Au,Ir,Os,Pd,Pt,Rh & Ru)

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Detailed directions are given for use of fire assay techniques to separate and concentrate the noble metals (Ag, Au, Ir, Os, Pd, Pt, Rh, and Ru) from many types of samples. Also included are methods used by the Geological survey.

By: Joseph Haffty, L. B. Riley, and W. D. Goss