It is used for microanalysis of rubidium, cesium and in the determination of alkaloids. Usually used as a harbinger for the preparation of gold (Au) nanoparticles. It is used in the control rods of nuclear reactors and in the manufacturing of electric light filaments.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.