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Programme Update

The Assaying & Refining Conference programme is under development.

The call for papers is open until Friday, 20 January 2023. Presentations will be 15 minutes in length plus, 5 minutes for questions. Please follow the abstract requirements and submit your application to

Keynote Speaker

The keynote speaker for the first day of the conference is Leo Simpson (Project Engineering Manager, Metalor USA) with his presentation A Lifecycle Approach to Safety in Refineries – From Design to Continuous Improvement.

Leo Simpson has spent most of his professional career in the precious metals refining and chemical industries, starting as a research technologist with Mintek and DeBeers Diamond Research Laboratories in South Africa. Subsequently, he moved to Metalor Technologies USA, and Elemetal Refining. He returned to Metalor USA in 2017 where he currently serves as an Engineering Manager.

Featured Presentations

Masakatsu Amano, Tanaka Kikinzoku Kogyo K.K., Determination of Rhodium with ICP-OES bracketing method

G. Calabria, MKS PAMP SA, Environmental, Social, and Governance in a Precious Metal Refinery: Challenges and Examples

Jon Jodry, Metalor Technologies SA, Method Validation

Yasuo Kuroki, Thermo Fisher Scientific. K.K., Introduction of a High-Speed Multispot-Laser Ablation-ICP-MS

Dr. Maarten Moens, Umicore PMR, Automation in Sampling and Analysis at Umicore Precious Metals Refining

Michael B. Mooiman, Franklin Pierce University, Sampling Precious Metals in the Liquid and Solid States – A Review of Practices and Suggestions for Improvement

Takuya Obi, Tanaka Kikinzoku Kogyo K.K., Application of LA-ICP-MS to the analysis of trace elements in precious metals

Alessia Sironi, Valcambi SA, The Use of Vortex Mixing with ICP-OES for the Analysis of High Grade Silver

Madeleine Theron, Rand Refinery PTY Ltd., Data Analytics

Chris Walne, Presman Mastermelt, Precious Metal Reclamation (Assaying and Refining)

Further programme information will follow in due course.

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