The Chemist – Building Materials is responsible for conducting physical and chemical testing of cement, aggregates, concrete, fly ash, GGBS, silica fume, admixtures, construction chemicals, and other building materials in accordance with IS, ASTM, BS, and NABL requirements. The role includes sample preparation, testing, result validation, equipment maintenance, quality control, and documentation to ensure accurate and timely reporting.
Key ResponsibilitiesSample ManagementReceive and register laboratory samples.
Verify sample identification and testing requirements.
Prepare samples as per applicable standards.
Ensure proper storage and traceability of samples.

Laboratory TestingConduct laboratory testing on:
Cement
Concrete
Fine & Coarse Aggregates
Fly Ash
GGBS
Silica Fume
Bentonite
Construction Chemicals
AAC Blocks
Pavers
Tiles
Bricks
Masonry Units
Water used for Construction

Perform tests including:
Fineness
Standard Consistency
Initial & Final Setting Time
Soundness
Compressive Strength
Specific Gravity
Moisture Content
Water Absorption
Sieve Analysis
Chemical Composition
Chloride Content
Sulphate Content
Loss on Ignition
Insoluble Residue
Pozzolanic Activity
Alkali Content
Other tests as per IS/ASTM specifications.





Instrument OperationOperate and maintain laboratory equipment including:
Double Beam UV-Visible Spectrophotometer
Atomic Absorption Spectrometer (AAS)
Spark OES (where applicable)
Analytical Balance
Muffle Furnace
Hot Air Oven
Compression Testing Machines
Cement Testing Equipment
pH Meter
Conductivity Meter
Laboratory Glassware
Quality AssurancePerform testing as per NABL ISO/IEC 17025 requirements.
Follow approved SOPs and work instructions.
Ensure internal quality control checks.
Participate in proficiency testing (PT) and inter-laboratory comparison (ILC).
Maintain testing records and worksheets.
DocumentationPrepare raw data sheets.
Review calculations.
Enter results into LIMS.
Prepare draft test reports.
Maintain calibration and maintenance records.
Ensure proper record retention.
Equipment MaintenanceDaily verification of laboratory equipment.
Calibration checks.
Preventive maintenance.
Maintain equipment logbooks.
Report equipment malfunction immediately.
SafetyFollow laboratory safety procedures.
Proper handling of chemicals and hazardous materials.
Maintain housekeeping.
Use PPE at all times.
Dispose laboratory waste safely.

📌 Chemist Chennai
🏢 Falcon Industrial Testing Laboratory
📍 Chennai