Metallurgy services offered at Actlabs cover a wide range of precious metals, base metals, and industrial minerals.

Sample Preparation

  • Custom preparation of small to bulk samples including compositing, blending and preparation of representative sub-samples
  • Customized crush and grind size


  • Crushing
  • Grinding (Steel Ball & Rod, Ceramic Media)
  • Bond Work Index (BWI)
  • Size Classification (Screening and Cyclosizing)
  • Laser Particle Size Analysis

Gravity Concentration

  • Centrifugal Concentration (Knelson Concentrator)
  • Shaking Table (Wilfley)
  • Heavy Liquid Separation


  • Batch Flotation
  • Kinetic Testing
  • Locked Cycle Testing


  • Bottle roll and tank leaching
  • Cyanidation, acid, and alkaline leaching
  • CIL (Carbon-In-Leach) & CIP (Carbon-In-Pulp)
  • Activated Carbon Testing (Adsorption & Quality)
  • Sequential Diagnostic Leaching
  • Leachwell Testing

Additional hydrometallurgical, pyrometallurgical, and pilot plant testing is available at Actlabs or can be facilitated through one of our partners. Please contact us to discuss your requirements.