MECL operates a modern sample preparation facility equipped with advanced systems and standardized protocols to ensure contamination-free, precise, and consistent sample processing while maintaining the highest standards of quality assurance and operational excellence.

1. Hydraulic Core Splitter: Precision Core Splitting for Representative Sampling

A Hydraulic Core Splitter is designed for precise and efficient splitting of drill core samples using high-pressure hydraulic force. It ensures clean, uniform, and representative sample separation while minimizing contamination and sample loss.
Key Features:
• Accurate and uniform core splitting
• Minimal contamination and sample loss
• High-pressure hydraulic operation
• Suitable for geological and mineral exploration laboratories
Applications: Ideal for preparing representative samples for geological, geochemical, and chemical analysis.



2. Jaw Crushers: Efficient Primary Crushing for Rock & Mineral Samples

Jaw Crushers are robust and efficient equipment used for the primary crushing of rock, ore, coal, and mineral samples into smaller, manageable particle sizes. Operating on the principle of compressive force, they ensure uniform particle reduction, reliable performance, and efficient sample preparation for geological, mineralogical, and analytical applications.
Key Features:
• Robust and reliable crushing mechanism
• Uniform particle size reduction
• High crushing efficiency
• Suitable for hard and abrasive materials
Applications: Ideal for laboratory sample preparation prior to pulverizing, grinding, and analytical testing.



3. Sample Dividers/RSD: Accurate Representative Sub-Sampling

Sample Dividers are precision equipment used for obtaining representative coal and mineral samples from bulk materials with high accuracy and consistency. Designed to ensure uniform sample distribution while minimizing sampling bias, they play a critical role in reliable sample preparation and analytical accuracy.
Key Features:
• Accurate and consistent sample division
• Reduces sampling errors and bias
• Suitable for bulk mineral and coal samples
• Reliable and repeatable operation
Applications: Ideal for preparing representative laboratory samples for physical and chemical analysis.



4. Vibratory Cup Mills (VCM)/: High-Speed Fine Grinding for Homogeneous Samples

Vibratory Cup Mills are high-performance grinding systems designed for rapid and fine pulverization of mineral and geological samples. Utilizing high-frequency vibratory action, they produce uniform and homogeneous powder, ensuring reliable sample preparation for advanced analytical and geochemical applications.
Key Features:
• Rapid fine grinding process
• Produces homogeneous powder samples
• High-frequency vibratory mechanism
• Consistent and reproducible results
Applications: Ideal for sample preparation for XRF, AAS, ICP-OES, and other analytical techniques.



5. Automatic Sieve Shakers: Precise Particle Size Analysis

Automatic Sieve Shakers are used for automated sieving of soil, coal, mineral, and aggregate samples. They provide controlled and uniform vibratory motion to ensure quicker, reliable and efficient sieving performance.
Key Features:
• Uniform vibration mechanism
• Quicker sieving
• Accurate particle size separation
• Suitable for laboratory quality control
Applications: Ideal for faster sieving in different mesh sizes.

Mineral Exploration & Consultancy Limited (MECL) provides high-precision coal and lignite testing services using advanced analytical instrumentation and standardized methodologies to support reliable decision-making in the mining, power, and energy sectors. Our laboratory is NABL accredited for Proximate Analysis and Gross Calorific Value (GCV) determination, ensuring high accuracy, traceability, consistency, and compliance with national and international quality standards.

1. Proximate Analysis (IS 1350 Part 1)

Proximate Analysis (as per IS 1350 Part 1) is used to determine the key quality parameters of coal, including Moisture, Volatile Matter, Ash, and Fixed Carbon. It enables the evaluation of quality variations across different coal seams and strata, supporting accurate characterization and resource assessment.
Parameters Analysed:
• Moisture Content
• Volatile Matter
• Ash Content
• Fixed Carbon
Key Features:
• Conducted as per IS 1350 (Part 1) standard
• Accurate assessment of coal quality variations
Applications:
Ideal for detailed coal characterization, mine quality assessment, beneficiation studies, thermal performance evaluation, and laboratory quality control.



2. Gross Calorific Value (GCV) (IS 1350 Part 2)

Our laboratory provides advanced facilities for accurate determination of Gross Calorific Value (GCV) of coal and lignite samples. The analysis is performed using Automatic Bomb Calorimeter systems in accordance with IS 1350 (Part 2) standards, ensuring precise and reliable measurement of coal energy content.
Key Features:
• Analysis conducted as per IS 1350 (Part 2)
• Calibrated and high-precision Bomb Calorimeter systems
• Accurate determination of coal calorific value
• Reliable and reproducible analytical results
• Strict quality assurance and traceability protocols
Applications:
Ideal for power plants, coal quality assessment, fuel efficiency studies, industrial combustion evaluation, commercial coal grading, and energy sector applications.



3. Ultimate Analysis

Our laboratory offers Ultimate Analysis services for the precise determination of elemental composition in coal and lignite, including Carbon (C), Hydrogen (H), Nitrogen (N), Sulphur (S), and Oxygen (O).
The analysis is carried out using advanced instrumentation and standardized methodologies to ensure high accuracy, reliability, and reproducibility of results. Ultimate Analysis provides critical insights into fuel composition, combustion characteristics, energy efficiency, and environmental impact assessment.
Parameters Analysed:
• Carbon (C)
• Hydrogen (H)
• Nitrogen (N)
• Sulphur (S)
• Oxygen (O)
Key Features:
• High-precision elemental analysis
• Advanced instrumental techniques
• Standardized analytical methodologies
• Accurate and reproducible results
• Quality assurance and traceability protocols
Applications:
Ideal for fuel characterization, combustion studies, thermal efficiency evaluation, emission assessment, coal beneficiation, industrial process optimization, and environmental monitoring.





4. Ash Analysis

Our Laboratory offers comprehensive Ash Analysis services for the determination of composition of ash in coal and lignite samples.
The analysis helps evaluate the different elements present in the ash.

5. Ash Fusion Temperature (AFT)

Our laboratory offers Ash Fusion Temperature (AFT) analysis to evaluate the melting behaviour of coal ash under high-temperature conditions. The test determines key ash deformation temperatures—Initial Deformation, Softening, Hemispherical, and Flow—critical for assessing slagging and fouling tendencies in boilers and furnaces.
AFT analysis supports efficient combustion control, optimized boiler performance, improved operational reliability, and informed coal selection for industrial applications.



6. Hardgrove Grindability Index (HGI)

Our laboratory offers Hardgrove Grindability Index (HGI) testing to assess the grindability of coal and to determine its ease of pulverization. The results provide essential data for efficient fuel preparation and combustion system design. HGI testing supports mill design optimization, power consumption evaluation, pulveriser performance improvement, and enhanced energy efficiency in thermal power plants and industrial applications.



7. Crucible Swelling Index (CSI)

Our Laboratory offers Crucible Swelling Index (CSI) testing to evaluate the caking and swelling properties of coal during heating. The test indicates coal’s suitability for coke formation and its behaviour in combustion processes. It is essential for assessing coal quality in metallurgical and industrial applications.



8. Sulphur Analysis & Distribution

We provide comprehensive Sulphur Analysis & Distribution studies to determine total sulphur content and its various forms in coal. The analysis helps evaluate combustion behaviour, corrosion tendency, environmental impact, and emission characteristics. It plays a vital role in quality control, efficient process management, and compliance with environmental standards for thermal power plants and industrial applications.



9. Equilibrated Moisture at 60 percent RH and 40 degrees Celsius

We provide determination of equilibrated moisture in coal under controlled conditions of 60% relative humidity and 40°C. This test measures the inherent moisture content of coal at equilibrium with the environment. It is essential for accurate coal characterization and standardization of analytical results.

Our laboratory provides comprehensive analysis of non-energy minerals including iron ore, bauxite, limestone, manganese, phosphorite, chromite, base metals (Cu, Pb, Zn), precious metals (Au, Ag), Rare Earth Elements (REEs), Platinum Group Elements (PGEs), and various other mineral ores.

We utilize advanced techniques such as ICP-MS, AAS, ICP-OES, XRF, XRD, Ion Chromatography, Flame Photometry, and UV-Visible Spectroscopy for accurate and reliable results. We also offer trace element analysis at ppm and ppb levels, ensuring high sensitivity and precision. These services support exploration, beneficiation, and quality control with industry-compliant and reproducible data.

1. Wavelength Dispersive XRF (WD-XRF)

Our laboratory offers advanced Wavelength Dispersive X-Ray Fluorescence (WD-XRF) analysis for rapid, accurate, and non-destructive determination of major, minor, and trace elements in geological and industrial materials such as rocks, ores, minerals, soils, coal ash, slags, and concentrates.
The laboratory utilizes both Pressed Pellet and Fused Glass Bead sample preparation techniques to ensure high precision, reproducibility, and reliable performance across diverse sample matrices.
Key Features
• Non-destructive multi-element analysis
• High precision and reproducibility
• Rapid analysis with quicker sample preparation
• Suitable for geological, metallurgical, environmental, and industrial samples
• NABL-accredited quality assurance with advanced WD-XRF instrumentation
Applications
• Geological & Mineral Exploration
• Coal & Industrial Material Analysis
• Beneficiation & Metallurgical Studies
• Environmental & Quality Control Testing





2. ICP-MS (Inductively Coupled Plasma Mass Spectrometry)

Our lab provides advanced ICP-MS analytical services for ultra-trace and high-precision elemental analysis of geological, environmental, metallurgical, and industrial samples. The technique enables simultaneous multi-element detection from ppm to ppb levels with exceptional sensitivity, accuracy, and reliability.
ICP-MS is extensively used for the analysis of Rare Earth Elements (REE), Platinum Group Elements (PGE), precious metals, critical minerals, and isotopic studies required for advanced geochemical investigations.
Key Features
• Ultra-trace elemental detection
• High-sensitivity multi-element analysis
• Accurate REE, PGE, and precious metal determination
• Excellent precision, reproducibility, and rapid analysis
• Suitable for complex geological and industrial matrices
Applications
• Mineral Exploration & Ore Characterization
• Critical Mineral & Rare Earth Studies
• Precious Metal & PGE Analysis
• Environmental & Metallurgical Studies
• Advanced Geochemical Research





3. ICP-OES (Optical Emission Spectrometry)

Our laboratory provides advanced ICP-OES analytical services for rapid and accurate multi-element analysis of geological, environmental, metallurgical, and industrial samples. The technique enables precise determination of major, minor, and trace elements with high sensitivity, excellent reproducibility, and fast analytical performance.
Applications
• Mineral & Ore Analysis
• Geochemical Investigations
• Environmental Testing
• Metallurgical Process Monitoring
• Industrial Quality Control & Research





4. Atomic Absorption Spectroscopy (AAS)

We provide advanced Atomic Absorption Spectroscopy (AAS) analysis for accurate determination of metallic elements in geological, environmental, metallurgical, and industrial samples.
Analytical Modes
• Flame AAS (FAAS) – Routine elemental analysis
• Graphite Furnace AAS (GF-AAS) – Trace element analysis at ppb levels
• Hydride Generation AAS (HG-AAS) – Specialized analysis for As, Se, and Hg
Key Features
• High sensitivity and accuracy
• Reliable and reproducible results
• Fast and cost-effective analysis






5. XRD

Our laboratory provides advanced X-Ray Diffraction (XRD) analysis for rapid and accurate identification of crystalline phases, mineral composition, and crystal structures in geological and industrial samples. The technique is widely used for non-destructive mineral characterization with high accuracy and reproducibility.
Applications
• Mineralogical & Petrographic Studies
• Ore & Clay Mineral Identification
• Coal Ash & Industrial Material Characterization
• Process and beneficiation studies
• Research and quality control applications



6. Ion Chromatography (IC)

Mineral Exploration & Consultancy Limited (MECL) offers advanced Ion Chromatography (IC) analysis for accurate determination of anions, cations, organic acids, and complex ions in environmental, geological, industrial, and water samples. The technique provides high sensitivity, rapid multi-ion analysis, and precise ionic separation for reliable analytical results.
Applications
• Water Quality Assessment
• Geochemical & Hydrogeochemical Studies
• Research & Quality Assurance Applications



7. Fire Assay Facility

Mineral Exploration & Consultancy Limited (MECL) provides a fully equipped Fire Assay Facility for high-precision determination of precious metals in geological and mineral samples. The laboratory specializes in the analysis of Gold (Au), Silver (Ag), and Platinum Group Elements (PGEs) using internationally accepted Lead Fire Assay and Nickel Sulphide Fire Assay techniques.
These methods offer excellent accuracy, reliability, and low-level detection for precious metal exploration and ore evaluation.
Key Features
• Accurate analysis of Gold, Silver, and PGEs
• Lead Fire Assay and Nickel Sulphide Fire Assay techniques
• High precision and reliable recovery
• Suitable for low-level precious metal determination
• Widely accepted industry-standard methodology



8. UV-Visible Spectrophotometry

Our laboratory provides advanced UV-Visible Spectrophotometry analysis for accurate determination of metal ions, sulphur, and trace elements in geological, environmental, and industrial samples. The technique offers rapid, reliable, and cost-effective analysis for routine testing, quality control, and research applications.
Applications
• Metal Ion Analysis
• Sulphur Determination
• Trace Element Estimation
• Environmental & Water Analysis
• Industrial Quality Control & Research



9. Flame Photometry

Rapid and accurate determination of alkali metals such as Sodium (Na) and Potassium (K), ensuring reliable analytical results for mineral, coal, and geological samples.

Our laboratory provides comprehensive water quality and environmental testing services for drinking water, groundwater, surface water and mine water samples. Using advanced instrumentation and standardized methods, the laboratory delivers accurate and reliable analysis for environmental monitoring, pollution assessment, and industrial compliance studies.

1. BOD Analysis Facility

The laboratory is equipped with a BOD Incubator and respirometric BOD Bottles for determination of Biochemical Oxygen Demand (BOD), an important parameter used to evaluate organic pollution levels and biodegradability in water and wastewater samples.



2. COD Analysis System

A dedicated COD Heating Block is used for Chemical Oxygen Demand (COD) determination, enabling accurate assessment of chemically oxidizable organic matter present in industrial effluents and contaminated water samples.



3. pH, Conductivity & ORP Measurement

Advanced pH / Ion Meters and Conductivity Meters with ORP are utilized for precise measurement of: pH/Electrical Conductivity/Oxidation Reduction Potential (ORP). These analyses are essential for water quality assessment, treatment process monitoring, and environmental studies.



4. Dissolved Oxygen (DO) Analysis

The laboratory utilizes high-precision DO Meters for determination of dissolved oxygen levels in water samples, which is critical for assessing aquatic health, biological activity, and wastewater treatment efficiency.



5. Turbidity Measurement

Modern Turbidity Meters are employed to determine the clarity and suspended particulate content of water samples, supporting drinking water quality evaluation and environmental monitoring applications.



6. Total Dissolved Solids (TDS) Analysis

Accurate determination of dissolved salts and mineral content is carried out using TDS Meters, helping evaluate water purity and suitability for industrial and domestic use.



7. Ion Chromatography (IC) Facility

The laboratory is equipped with an advanced Ion Chromatograph (IC) for precise analysis of anions and cations in water samples. The system supports determination of parameters such as: Chloride, Sulphate, Nitrate, Fluoride, Phosphate, Sodium, Potassium, Other dissolved ionic species. This facility is extensively used for environmental monitoring, industrial water analysis, and contamination assessment Studies.



8. Flocculation & Water Treatment Studies

A laboratory Flocculator is available for jar testing and coagulation studies to optimize chemical dosing and evaluate water treatment efficiency in industrial and environmental applications.



9. Fluorescence Analysis Facility

The Fluorescence Analysis Cabinet supports qualitative and screening analysis of specific compounds and trace constituents in water samples.

Drilling Fluid Analysis

This laboratory is well equipped with Dring fluid testing apparatus/ instruments. All the major parameters of drilling fluids like Apparent Viscosity (AV), Plastic Viscosity (PV), Yield Point (YP), YP/PV ratio, Sp. Gravity, Sand content, Funnel Viscosity, Filtration Loss, Cake thickness etc. are carried out at this lab.
Comprehensive evaluation of drilling fluid parameters:
• Apparent & Plastic Viscosity
• Yield Point (YP)
• Filtration Loss
• Specific Gravity
• Sand Content
• Cake Thickness

NABL Accredited Testing Scope – Chemical Laboratory

Chemical Laboratory MECL is equipped with advanced analytical facilities and experienced technical professionals for reliable testing of coal, ores, and minerals. The laboratory is NABL accredited (vide certificate number TC-12670) for various chemical testing parameters as per Indian Standard (IS) methods and lab developed methods.
The laboratory holds NABL-accredited scope for two major groups — Solid Fuels and Ores & Minerals - covering 42 analytical parameters.

• Successfully analysed and completed testing of more than 65,000 Coal Referee Samples with high accuracy and compliance to national testing standards.
• Completed analytical work for NGCM (National Geochemical Mapping) Samples received from Geological Survey of India Eastern Region, Kolkata and from GGCMP Gujarat supporting large-scale geochemical and mineral exploration programs.
• Completed more than 3000 critical mineral analysis samples for IBM.
• Chemical Lab successfully completed analysis of more than 78,000 samples during FY 2025–26, demonstrating excellence in quality, accuracy, and timely analytical services.