Use of the sodium salt of 2-mercaptopyridine-N-oxide to separate

Details Use of the sodium salt of 2-mercaptopyridine-N-oxide to separate Use of the sodium salt of 2-mercaptopyridine-N-oxide to separate

1981-04-30

1983-01-11

Hearn, Brian E.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75118R, 423 43, C22B 1104

Patent

active

043680739

ABSTRACT:
Disclosed is a process for separating gold from acidic solutions having a pH below about 3 which comprises the steps of:

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patent: 4269621 (1981-05-01), Reiner
Wise, E. M. (Ed.), Gold, Recovery, Properties, and Applications, D. Van Nostrand Co., Inc., Princeton, N.J. (1964), pp. 44-49, 325.
M. Edrissi, et al., Microchemical Journal, vol. 15, pp. 579-584 (1970).
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J. A. W. Dalziel et al., Analyst, vol. 89, pp. 707-712 (1964).
Olin Industrial Biocides Product Data Bulletin for Zinc Omadine.RTM. and Sodium Omadine.RTM. (Copyright 1978).
Hampel, C. A., Rare Metals Handbook, Reinhold Publishing Corp., pp. 295-301.
H. J. Friese and F. Umland "Chelates of Vanadium with 2-Mercaptopyridine-N-Oxide" Fresenius Z. Anal. Chem., 287, pp. 298-303 (1977).
K. H. Konig, B. Steinbrech, G. Schneeweiss, P. Chaudhuri, and H. U. Ehmcke, "On the Chromatography of Metal Chelates--II. TLC-Chromatography of the Metal Chelates of 1-Hydroxy-2-Pyridinthione with the Transition Metals of the 8th Group", Fresenius Z. Anal. Chem., vol. 297, pp. 144-147 (1979).

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