Heavy Liquid Separation (HLS) testwork provides key data for exploration programmes and process design projects.
Most commonly, data derived from HLS testwork is used for:
- Characterising the density parameters of ore samples
- Predicting the performance of ores through gravity circuits
- Pre-concentrating low grade high density minerals prior to further physical or analytical testing
At ALS, our dedicated HLS team works closely with you and your consultants to design tailored testwork programmes to meet your project requirements. We provide testwork data on samples across a range of commodities including:
- Iron ores
- Mineral sands
- Base metals
- Precious metals including gold and PGMs
- Industrial minerals
Using heavy liquids including tetrabromoethane (TBE), diiodomethane and Clerici’s solution (Thallium Malonate Formate), our HLS laboratory can separate samples into a wide range of specific gravity intervals from 1.00 through to 4.05. We can separate samples at a high single density, resulting in a pair as sink-float products, or into a range of density intervals with a minimum density increment as small as 0.1.