Refining
Excellence.
Transforming complex scrap and dore into high-purity gold, silver, and platinum through industry-leading chemical processes.
Scientific Precision
The Refining Lifecycle
01
Homogenization
Raw materials are melted in high-frequency induction furnaces to create a uniform alloy for sampling.
02
Fire Assay & XRF
We utilize multi-stage chemical analysis to determine the exact composition of the precious metal.
03
Aqua Regia Process
Metals are dissolved in a specialized chemical solution to separate gold from base metals and silver.
04
Electrolytic Refining
Final purification via the Wohlwill process ensures a purity of 999.9 or higher for investment bars.
Technical Leadership
Industry Leading
999.9 Purity.
"Sawaya Refinery maintains total transparency and ethical sourcing, serving as a trusted partner for bullion dealers globally."
Miller & Wohlwill Processes
LBMA & OECD Compliant
Advanced Fire Assay
ICP-OES Spectrometry