News


October 18, 2021
Accreditation to perform the Jar Mill test

In September 2021, the Metso:Outotec Jar Mill arrived and was installed in the Institute TOMS laboratory. The Institute’s comminution team was trained by M:O’s specialists and the lab was granted accreditation to perform the Jar Mill testing.

September 10, 2020
IsaMill Testing Accreditation

In September 2020, Institute TOMS was given the latest accreditation certificates by Glencore Technology (Australia) for running UFG testing in a stirred mill – IsaMill M4.

August 30, 2020
Derrick Screen Pilot-Scale Testing

In August 2020, Institute TOMS (Irkutsk) in partnership with Thrane Teknikk initiated testing of a fine screening technology using Derrick Stack Sizer 2SG 48-60R-1STK by Derrick Corporation.

June 26, 2020
JK Drop Weight / SMC Test Accreditation

On the 12th of May 2020, Institute TOMS received an official confirmation from JK Tech Pty that the testwork quality and the personnel competencies are in conformity with high international standards.

June 16, 2020
A new up-to-date laser particle size analyzer Malvern Mastersizer was installed and put into operation in Institute TOMS

In June 2020, a new up-to-date laser particle size analyzer Malvern Mastersizer was installed and put into operation in Institute TOMS.

Main page/Testworks/Mineralogy

Mineralogy

Mineralogical research includes sample preparation for the studies, petrographic, chemical and mineral content study of different types of ore, detailed study of base ore minerals characteristics with their chemical composition determination, as well as precious metals characteristics.
Conventional and innovative research methods using state-of-the-art equipment are used in mineralogical investigations.
The study of material composition includes the following types of works and research:

  • preparation of transparent, polished and pellet specimens;
  • material size distribution characteristics with basic elements determination in size fractions;
  • petrographic composition study;
  • material chemical composition determination together with separate phases of valuable components;
  • mineralogical analysis with determination of ore quantitative mineral composition;
  • determination of ore sulphidity and oxidation level;
  • study of heavy fractions composition using both a stereomicroscope and a polarization microscope for briquette specimens;
  • image analysis of ore minerals using a mineralogical analyzer Mineral-C7 for solid materials;
  • physical and chemical characteristics of gold, silver, platinum, and palladium;
  • size distribution characteristics of any valuable component;
  • gold and silver phase analysis;
  • automated mineralogical quantitative analysis using the Qemscan system (Quanta FEG-650 F SEM, iDiscover software).

Mineralogical sample preparation system Struers (Denmark)
Samples prepared for various microscopic investigations
Olympus polarizing microscope with Mineral C7 software (Japan, Russia)
Automated mineralogy system Qemscan 650 F (Australia)

 

Reference list for testworks

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