Our services to natural resources
We provide inspection, accredited testing and consulting services, to quality control for mining and energetic resources.
Coal, cokes and biomass tests
CDT is leader in laboratory test. We have technical experts and use the latest technologies to ensure all our services meet ASTM and ISO norms. With the accreditation in the petrography test, vitrinite reflectance and maceral composition.
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- Total and inherent moisture
- Ash content
- Volatile matter content
- Gross calorific value
- Net calorific value
- Total sulfur
- Free Swelling Index
- Carbon, Hydrogen and Nitrogen
- Phosphorous total
- Major and minor elements by XRF
- Total chlorine
- Size analyzing by sieving
- Petrography (Vitrinite reflectance & maceral composition) Composition Balance Index (CBI) Strength Index (SI)
- Gieseler plastometer fluidity
- Degree of oxidation
- Degree of oxidation in coal
- Hardgrove grindability index
- Coke Reactivity Index (CRI) and Coke Strength After Reaction (CSR)
- Fusibility of coal and coke ash
- Fineness test
- Unburned fly ash
- Washability characteristics of coal
- Microscopical determination of the textural components of coke
- New! Determination of gas content in mining
- Petrography of minerals and metals
- Geochemical analysis by XRF
- Mineralogy by DRX
- Macroscopic description
- Size analyzing by sieving
- Density apparent, porosity
- Heavy mineral separation
- Potential of hydrogen
- Plasticity index
- Core description
Test for minerals and metals
CDT has extensive experience in all aspects of rock and mineral petrography and geochemistry. We can help you make better decisions by combining analytical techniques such as petrography, X-ray fluorescence, and X-ray diffraction.
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Sampling, sample reduction (crushing, splitting and screening) and storage
CDT performs the sampling operation with the greatest care to obtain a sample that is truly representative using standard techniques and methods carried out by experienced trained staff.
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- Traditional and mechanical sampling
- Sample reduction (crushing, splitting and screening)
- Sample drying
- Draft survey
- Hold inspection
- New! Calibration of gas measurement equipment in mining
- New! Multidetector verification and maintenance
- New! Determination of gas content in mining
- Determination of the Reflectance of Vitrinite in dispersed organic matter
- Gross calorific value
- Net calorific value
- Total sulfur
- Carbon, Hydrogen and Nitrogen
Calibration of gas measurement equipment Oil & gases tests
Hydrocarbons tests
Gas Content Measurement of coal seams and shales, calibration and verification of equipment under international standard.
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