Precious Metals
Our diverse and bespoke portfolio of services brings reliability, independence and integrity to global precious metal’s markets. Our analytical services facility in the UK is the flagship/hub laboratory of our Assay & Inspection services business and one of the leading laboratories of its type in the world. The core expertise of our UK laboratory for over 40 years has been precious metal analysis; we receive and test over 10,000 precious metal bearing samples every year for various payable and penalty elements.
Internationally accredited ALS laboratories combine classical wet chemistry with precision analytical technology to obtain accurate percentage composition determinations to minimise risk and reduce financial exposure.
Analytical techniques include:
- Fire assay
- Inductively Coupled Plasma Spectrometry: ICP-AES and ICP-MS
- Gravimetric
- Atomic Absorption Spectroscopy (AAS)
- Potentiometric Titration
Our highly experienced inspectors and analytical technicians frequently conduct operations which involve:
- Precious metals
- Sweeps
- Concentrates
- Slimes
- Electronic scrap
- Chemical conductor pastes
- Bullion
- Dore
- Jewellery
- Platinum group metals (PGM's)
- Resins
- Precious metal bearing catalysts
- Fresh and spent catalysts
- Automobile catalysts
- Platforming catalysts
- Hydrogeneration catalysts
- Mono and bi-metallic catalysts
- Isomerisation catalysts
- Reforming catalysts
- Ethylene oxide silver catalysts
- VAM catalysts
- Nitric acid plant gauzes