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Extraction: Advanced Methods

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Related Experiment Video

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Synthesis of High Purity Nonsymmetric Dialkylphosphinic Acid Extractants

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Published on: October 19, 2017

Solvent extraction of metal xanthates.

E M Donaldson¹

¹Mineral Sciences Laboratories, Canada Centre for Mineral and Energy Technology, Department of Energy, Mines and Resources, Ottawa, Canada.

|June 1, 1976

Summary

This review covers metal xanthate solvent extraction, focusing on ethyl xanthate complexes for analytical chemistry. It details characteristics and applications for numerous elements, aiding in metal separation and detection.

Area of Science:

Analytical Chemistry
Inorganic Chemistry
Separation Science

Background:

Solvent extraction is a key technique for separating and purifying metals.
Metal xanthates form stable complexes suitable for extraction.
Ethyl xanthate is a widely used chelating agent in solvent extraction.

Purpose of the Study:

To review the solvent extraction of various metal xanthates.
To emphasize the characteristics and analytical applications of ethyl xanthate complexes.
To provide a comprehensive overview of elements extractable by ethyl xanthate.

Main Methods:

Literature review of solvent extraction studies.
Analysis of published data on metal xanthate complex formation.
Compilation of analytical uses for ethyl xanthate complexes.

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Main Results:

Ethyl xanthate effectively extracts a wide range of metals, including As, Sb, Bi, Cd, Co, Cu, Cr, Ga, Au, In, Fe, Pb, Mn, Hg, Mo, Ni, Pd, Pt, Re, Ag, Se, Te, Tc, Tl, Sn, U, V, and Zn.
The characteristics of these metal-ethyl xanthate complexes facilitate their separation and quantification.
Established analytical procedures leverage these properties for diverse applications.

Conclusions:

Solvent extraction of metal xanthates, particularly with ethyl xanthate, is a versatile analytical method.
The distinct properties of ethyl xanthate complexes enable selective extraction and determination of numerous elements.
This review highlights the significance of ethyl xanthate in analytical chemistry for metal analysis.