TY - BOOK AU - Huffman,Claude AU - Mensik,J.D. AU - Riley,L.B. TI - Determination of gold in geologic materials by solvent extraction and atomic-absorption spectrometry, T2 - United States. Geological Survey. Circular AV - QE75 .C5 no. 544 PY - 1967/// CY - Washington PB - [U.S. Govt. Print. Off.] KW - Gold KW - Metallurgy KW - Cyanide process KW - Spectra N1 - Bibliography: p. 6 ER -