Applications

As a semiconductor in electronic devices,
As a reagent in analytical chemistry, as a catalysts
As a insecticide for potato, and correcting copper deficiency in soil.
In the purification of hydrogen, medicine, and desulfurizing oils
As a solvents for chromic iron ores.
As a pigment in glass, ceramics, enamels, porcelain glazes, artificial gems.
As flux in copper and bronze metallurgy, in galvanic electrodes.
For sweetening petroleum gases.
In pyrotechnic compositions and anti-fouling paints.