Mining Industry

The following products manufactured for the mining industry are used in the analysis of precious metals:

  • Assay Litharge Assay Litharge is a unique type of lead oxide used in the analysis precious metals. It is produced from highly refined lead and offers a very low level of precious metal impurities. It is greenish yellow in colour, the green being due to the free lead which is characteristic of its method of manufacture.
  • Gold Free Litharge – Gold free Litharge is a special type of lead oxide used in the analysis of gold and other precious metals. It is produced from specially refined lead and offers a very low level of gold. It is greenish yellow in colour.

We also have granular assay and Gold Free Litharge available where a non-dusting form is required.

  • Assay Fluxes – Assay (or Mining) Fluxes are specially formulated mixtures of Assay Litharge compounded with fluxing agents such as Soda Ash and Borax, a reducing agent, and a number of other raw materials. They are specifically designed for the analysis of gold, platinum and other precious metals in a wide variety of ores.

Packaging to Suit Customer Requirements

Flux can be packed in Pails, Bags and Totes in quantities as specified by the customer.

Gold Free Litharge Premium Gold Free Litharge Assay Litharge
Ag ppm Max 3 Max 3 Max 0.13
Au ppb Max 2 Max 2
Appearance Powder Litharge
Greenish Yellow Powder
Granular Litharge
Reddish Granules