REFINING OF PRECIOUS METALS AND PLATINUM GROUP METALS
Gold sponge drying under infra-red lamps
Our Gold has a minimum purity of 99.5% plus and is sold in sponge form, but can also be supplied as intermediate salts, granules or bars.
Silver concentrates from mines, metallurgical facilities and consumer and industrial wastes are processed to produce 99,99% silver.
This is subsequently sold to our group company Silverchem to manufacture value added products for a wide range of applications.
Our Platinum has a purity of 99.95% plus and is usually sold in sponge form, but can also be supplied as granules or bars. A range of platinum based compounds can also be supplied, including colloidal platinum. Assay certificates for each batch are available.
Our Palladium is sold with a minimum purity of 99.95% and is available in sponge form, but can also be supplied as granules, bars or intermediate salts. Gauteng Refinery's palladium feedstocks are sourced from a number of sources including process residues, electronic scrap, auto catalysts and scrap printed circuit boards. A range of palladium based compounds such as palladium chloride can be supplied.
Filtering gold bearing slurries
Osmium extraction process using glass reactor vessels
We process, refine and supply Rhodium at 99.9% purity and it is available in sponge and powder. Assay certificates for each batch are available. Ruthenium
Gauteng Refinery's Ruthenium is sold with a minimum purity of 99.9% plus, and is available in sponge form, but can also be supplied as intermediate salts.
Iridium is sold with a minimum purity of 99.9% plus and is available in sponge form, but can also be supplied as intermediate salts.
Gauteng Refinery is a leading global supplier of Osmium. It has a minimum purity of 99.8% and again assay certificates are available for each batch.
Please contact us for any product queries. You can also learn more about the detailed characteristics of these metals by downloading the document on "Quick Facts for Precious Metals and PGMs" here