| № | Type of research (work) | Characteristic of parameters |
|---|---|---|
| 1 | Optical-microscopic research of rocks and ores | Microtexture and phase composition of samples of rocks, ores and other natural/manmade objects is determined. Research method – optical microscopy in passing and reflected light. The research is carried out on universal polarizing microscopes POLAM RP-1, POLAM R-312, MBS-9/10 etc. |
| 2 | Electron probe microanalysis (EPMA/EMP) | Provides local (micron level micro-volume) determination of elements from Na to U in minerals and other natural/manmade objects. Research method – electron probe X-ray spectral micro analysis (EPMA/EMP). Content is determined in mass fractions (wt%), assay range is from 0,0n up to 100 wt%. Detection limit (DL) – 0,0n-0,n wt%. Error – less than +10 relative% for concentrations ≥10×DL. The measurement is carried out on a raster electron microscope-microanalyzer REMMA-202M (accelerating voltage range 0,2-40 kV). |
| 3 | Electron microscopic research of rocks and other objects | Determination of microtexture and phase composition of samples of rocks, ores and other natural/manmade objects. Research method – Scanning electron microscopy (SEM). The study is carried out on a raster electron microscope-microanalyzer REMMA-202M. |
| 4 | Determination of main components content (SiO2, TiO2, Al2O3, Fe2O3total (FeOtotal), MnO, MgO, CaO, Na2O, K2O, P2O5, S, Cl, LOI) | Characterizes chemical composition of the matrix of rocks, minerals, ores and their processing products as well as other natural/manmade objects. Research method – wavelength dispersive X-ray fluorescence (WD XRF). Content is determined in mass fractions (wt%), assay range is from 0,01 up to 100 wt%. Detection limit (DL) – 0,001-0,11 wt%. Error – less than +10 relative% for concentrations ≥10×DL. The measurement is carried out on multichannel X-ray spectrometers SRM-25. |
| 5 | Determination of trace elements content (from Ni up to U) | Characterizes trace elements content (including toxic and ore) in rocks, minerals, ores, and their processing products as well as other natural/manmade objects. Research method – energy-dispersive X-ray fluorescence (ED XRF). Content is determined in mass fractions (wt%), assay range is from 0,000n up to 100 wt%. Detection limit (DL) – 0,000n-0,01 wt%. Error – less than +10-15 relative% for concentrations ≥10×DL. The measurement is carried out on X-ray spectrometers SER-01 (ElvaX-Mini) and SER-01 (ElvaX-Light). |
| 6 | Determination of trace elements content (Ba, La, Ce, Pr, Nd) | Characterizes trace elements content. Research method – energy-dispersive X-ray fluorescence (ED XRF). Content is determined in mass fractions (wt%), assay range is from 0,001 up to 100 wt%. Detection limit (DL) – 0,000n-0,01 wt%. Error – less than +10-15 relative% for concentrations ≥10×DL. The measurement is carried out on X-ray spectrometer RFS RD. |
| 7 | Identification of phases (minerals) and determination of phase composition of polymineralic samples | Provides diagnostics for minerals and mineral composition of rocks and other natural/manmade objects. Research method – X-ray diffraction (XRD). The measurement is carried out on computerized X-ray diffractometer DRON-UM1. |
| 8 | Determination of trace elements content in individual micro-grains of minerals | Provides diagnostics for minerals and trace elements content (Sr, Y, La, Ce, Th, U, Pb etc.) in individual microcrystals ≥30-50 µm in size. Research method – «mini»-energy-dispersive X-ray fluorescence (mini-XRF). Content is determined in mass fractions (wt%), assay range is from 0,000n up to 100 wt%. Detection limit (DL) – 0,000n-0,n wt%. Error – less than +10 relative% for concentrations ≥10×DL. The measurement is carried out on X-ray spectrometer MicroRFS |
| 9 | Density test | Provides diagnostics of the density of rocks and constructional materials with volumetric, apparent mineralogical methods in dry and saturated conditions. |
| 10 | Porosity test | Provides diagnostics of open, effective and dynamic porosity of rocks and constructional materials using gas volumetric and hydrostatic methods. |
| 11 | Permeability test | Provides diagnostics of absolute and phase permeability of rocks and constructional materials by methods of linear and radial filtration of nitrogen, kerosene and mineralized water. |
| 12 | Capillarometry test | Provides diagnostics of the structure of the void space by centrifugation. |
| 13 | Study of formation fluid composition | Provides diagnostics of reservoir fluid composition (on sealed core samples) using the Sacks apparatus. |
| 14 | Electrometric studies | Provides diagnostics of the specific electrical resistance of rocks and constructional materials at different degrees of water saturation under atmospheric conditions and physical simulation of formation conditions. |
| 15 | Acoustic studies | Provides diagnostics of the velocities of elastic waves (interval time) of rocks and constructional materials at various degrees of saturation in atmospheric conditions and physical simulation of formation conditions. |
| 16 | Structural dynamic test | Provides diagnostics of: structural behavior of rocks, including «rupture» and constructional materials «compression» during physical simulation of hydraulic fracturing. |
| 17 | Laboratory radiometric test | Laboratory radiometric analysis of samples of rocks, ores, soils, construction materials and food products, with the determination of the content of natural and artificial radionuclides. |
| 18 | Radiometric survey | Provide operational assessment of the radiation leveles; radioecological monitoring; radiometric surveys; gamma-ray log for shallow wells; radiometric test in dwellings. |
| 19 | Emanation survey (radon method) | Provide: measurements of volume activity of radon in dwelling; assessment of the surface flow of radon at construction sites; determination of volume activity of radon in water supply sources; emanation survey. |