Freelance QC / Laboratory Chemist – Chemicals & Mining

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Job Title: Freelance QC / Lab Chemist
Industry: Chemicals / Mining & Minerals
Job Type: Freelance / Part-Time / Monthly Assignment
Preferred Locations: India - Hyderabad, Bangalore, Chennai, and nearby industrial locations

We are looking for a detail-oriented Freelance QC / Laboratory Chemist to support laboratory testing, product development, quality control, and R&D trial activities in the chemical industry, with potential applications in mining and mineral-related processes.

The candidate will assist with laboratory-scale formulation development, raw-material testing, sample preparation, product performance evaluation, stability observations, and quality documentation. The role requires practical laboratory experience, accurate record-keeping, and the ability to support periodic assignments near Hyderabad, Bangalore, or Chennai.

Roles and Responsibilities
1. Laboratory Testing and R&D Support
Assist in laboratory-scale product development, formulation trials, and testing activities.
Accurately weigh raw materials and prepare 500 g, 1 kg, and other laboratory trial batches according to approved formulations.
Carry out dry blending, sieving, mixing, dissolution, and sample preparation.
Prepare T1 sachet-to-bottle trial solutions and evaluate dissolution and product consistency.
Measure and record pH, dissolution time, appearance, colour, residue, and other relevant product parameters.
Assist in stability studies by recording changes in appearance, fragrance, pH, dissolution, and product performance over time.
Support scale-up from laboratory trials to pilot batches after formulations are finalized.
2. Quality Control and Raw-Material Evaluation
Assist in evaluating raw-material samples received from suppliers.
Conduct routine quality checks and document test results as per approved procedures.
Verify product consistency and record deviations or unexpected observations during trials.
Coordinate with management and suppliers regarding sample requirements and technical documentation, including COA (Certificate of Analysis), TDS (Technical Data Sheet), and SDS (Safety Data Sheet), as required.
3. Documentation and Sample Management
Maintain accurate batch records and R&D trial sheets, including raw-material quantities, lot numbers, observations, test results, and formulation details.
Label, store, and maintain retention samples from each trial.
Ensure laboratory records and reports are properly updated and accessible for review.
Maintain traceability of samples, trial batches, and test results.
4. Laboratory Inventory and Safety
Maintain raw-material inventory and inform management when trial materials require replenishment.
Follow standard operating procedures (SOPs) for handling acidic, alkaline, and powdered cleaning-chemical raw materials.
Maintain cleanliness and organization of laboratory equipment and work areas.
Follow appropriate chemical handling, storage, personal protective equipment (PPE), and laboratory safety practices.
Preferred Candidate Profile
Degree or Diploma in Chemistry, Analytical Chemistry, Industrial Chemistry, Chemical Technology, or a related field.
Relevant experience in laboratory testing, quality control, R&D, formulation development, or chemical analysis.
Experience in chemical blending, dissolution testing, sample preparation, pH measurement, and laboratory-scale batch preparation.
Knowledge of raw-material evaluation, stability observations, and laboratory documentation.
Familiarity with laboratory instruments, SOPs, chemical safety, and inventory management.
Experience in cleaning chemicals, industrial chemicals, mining chemicals, minerals, or specialty chemicals will be an advantage.
Good analytical, documentation, and problem-solving skills.
Ability to work independently and provide periodic laboratory or on-site support.
Candidates with access to suitable laboratory facilities or experience supporting industrial laboratories are preferred.
Engagement Details
Freelance / consultant-based assignment.
Monthly visits or laboratory support based on project requirements.
Preferred availability near Hyderabad, Bangalore, Chennai, and surrounding industrial areas.
Professional fees negotiable based on experience, assignment scope, duration, and travel requirements.
How to Apply
Interested candidates may share their updated CV along with the following details:

Total experience in QC, laboratory testing, or R&D.
Relevant experience in chemical formulation, mining chemicals, or industrial chemicals.
Current location and preferred service area.
Availability for monthly assignments.
Expected professional fees per visit or per month.
Suitable Candidates: Freelance laboratory chemists, QC professionals, R&D chemists, and independent chemical consultants available for periodic industrial assignments.