News


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.

April 30, 2020
Professional exchange and ongoing cooperation between TOMS and KÖPPERN in the field of iron ore concentrate re-grinding

In March 2020, engineers of Institute Toms and Köppern met in Irkutsk to exchange about the challenges in iron ore concentrate re-grinding with HPGR and to perform a collaborative test work series on iron ore concentrate.

March 16, 2020
Positive conclusion from the State Reserves Commission

The State Reserves Commission delivered its positive conclusion after consideration of the Report developed by Institute TOMS for Ozernovskoye Project

January 31, 2020
Institute TOMS acquired and put into commission a modern inductively coupled plasma optical emission spectrometer

Institute TOMS acquired and put into commission a modern inductively coupled plasma optical emission spectrometer (ICP-OES) Agilent with dual plasma view

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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