Job Description

Department

Quality Control

Reports To

Manager / Quality Head – Quality Control

Location

JSW Cement Limited, Nandyal

Shift

Shift cum General Shift
Job Purpose

To perform chemical analysis of raw materials, fuels, clinker, cement and other process samples using laboratory analytical instruments, ensuring timely and accurate results to support process control and maintain product quality. The Chemist is responsible for laboratory testing, equipment maintenance, quality assurance activities, and compliance with safety and quality management systems while working in both shift and general shift schedules.

Key Roles & Responsibilities

1. Chemical Analysis
- Perform routine chemical analysis of limestone, laterite, bauxite, iron ore, raw meal, kiln feed, clinker, gypsum, fly ash, slag, pozzolana, cement, coal, pet coke, AFR, and other raw materials.
- Carry out analysis using XRF, wet chemistry, titration, gravimetric methods, and instrumental techniques.
- Prepare fused beads and pressed pellets for XRF analysis.




- Verify analytical accuracy using certified reference materials (CRMs).
- Ensure timely reporting of laboratory results.

2. Quality Control
- Monitor chemical parameters including:
- Lime Saturation Factor (LSF), Silica Modulus (SM), Alumina Modulus (AM)
- Free Lime, LOI, Insoluble Residue
- CaO, SiO₂, Al₂O₃, Fe₂O₃, MgO, SO₃, Na₂O, K₂O, Chloride
- Compare analytical results with quality control limits.
- Immediately report abnormal results to Production, CCR and Quality Management.
- Assist in process adjustments to maintain consistent clinker and cement quality.

3. XRF Laboratory Operations
- Operate and monitor XRF spectrometer.
- Perform daily calibration and standardization.
- Prepare calibration samples and conduct drift correction and performance verification.
- Troubleshoot basic instrument issues.
- Coordinate with service engineers for preventive maintenance.

4. Wet Chemistry
- Conduct wet chemical analysis as per SOPs.
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📌 Engineer - Quality Management (Nandyala)
🏢 JSW Group
📍 Nandyala