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Potassium Gold Cyanide

Potassium Gold Cyanide Potassium Gold Cyanide
IUPAC Name
Potassium Gold Dicyanide
HS Code
2843
Formula
KAu(CN)2
Appearance
White Powder
Cas No.
13967-50-5
Common Names
Potassium Cyanoaurate Potassium Dicyanoaurate(I)
Packaging
- -
Category
  • Dyes and Pigments
  • Electronics and Electric
  • Mining and Metallurgy
Sub Category
  • Dyes and colors
  • Electronic
  • Metallurgy

Brief Overview

Potassium gold cyanide is a colorless to white crystalline powder industrially used as plating and surface treating agents.

 

Manufacturing Process

Potassium gold cyanide is produced in the cyanide process variant of gold mining. The chemical reaction for the dissolution of gold is
                                       4 Au + 8 KCN + O2 + 2 H2O → 4 KAu(CN)2 + 4 KOH
In this redox process via a two-step reaction, oxygen removes one electron from each gold atom to form the complex Au(CN)−2 ion.

Metal Industry

Component in gold plating
Material used for photoreduction of gold ions by nanopowder ZnO, preparation of gold-gold junction electrodes in voltammetric glucose detection, and other reactions where metallic gold is prepared

 

Pigment Industry

Colorant in dyes, pigments, drugs, textiles, personal care products) food, and ink

 

Other Applications

Material used in the manufacture of televisions, radios, computers