Sl. No. Job Role Responsibilities

1

Sample Receipt &

Preparation

a. Inspect received samples for identification, labeling, and

quantity.

b. Verify that the sample quantity meets the minimum testing

requirement (approximately 1 kg or as specified by the test

method).

c. Assign a unique sample identification number and maintain

sample receipt records.

d. Prepare samples using appropriate crushing and grinding

techniques to achieve complete mineral liberation for lumpy

samples

e. Reduce sample size using representative sampling methods

(preferably Coning & Quartering or Riffle Splitter) to obtain a

representative analytical sample.

f. Pulverize the representative sample to the specified particle

size (typically -150 µm or as required by the test method).

g. Store the remaining sample securely as a retained/reference

sample for future verification or repeat analysis.

h. Ensure proper cleaning of crushers, grinders, pulverizers, and

accessories between samples to prevent cross-contamination.

i. Record all sample preparation activities in the laboratory

logbook

2

Procurement &

Inventory

Management

a. Procure analytical-grade chemicals, reagents, acids, bases,

indicators, solvents, and Certified Reference Materials (CRMs)

as specified in ASTM, BIS/IS, ISO, EN, or other applicable

standards.

b. Verify certificates of analysis (CoA), purity, expiry dates, and

storage requirements before use.

c. Procure laboratory consumables such as filter papers, crucibles,

volumetric glassware, plastic ware, pipettes, laboratory gases,

Personal Protective Equipment (PPE), etc.

d. Ensure availability of laboratory equipment such as filtration

units, vacuum pumps, distillation units, fume hoods, ultrasonic

cleaners, hot plates, magnetic stirrers, muffle furnaces, platinum

crucibles, balances, and drying ovens.

e. Maintain inventory records, stock levels, issue registers, and

reorder points for consumables and chemicals.

f. Coordinate with approved vendors for procurement and

maintain purchase records.

g. Ensure proper storage, labeling, segregation, and disposal of

chemicals according to laboratory safety requirements.

h. Coordinate preventive maintenance, AMC/CMC, calibration,

and servicing of laboratory equipment.

Sl. No. Job Role Responsibilities

3





Chemical Analysis

& Testing

a. Perform chemical analysis of minerals, ores, concentrates, and

related materials according to ASTM, BIS/IS, ISO, EN, or other

approved standard methods.

b. Prepare reagents, standard solutions, calibration standards, and

quality control samples according to documented procedures.

c. Carry out wet chemical analysis for major and minor

constituents using standard analytical methods.

d. Perform Loss on Ignition (LOI), moisture determination,

insoluble residue, and other routine chemical tests as applicable.

e. Operate advanced analytical instruments such as XRF, ICP OES, ICP-MS, AAS, UV-Visible Spectrophotometer, Flame

Photometer, and other laboratory instruments where applicable.

f. Conduct duplicate/triplicate analysis whenever required to

verify repeatability and precision.

g. Calculate analytical results, dilution factors, recovery,

uncertainty of measurement, and statistical parameters where

applicable.

h. Verify analytical results against quality control acceptance

criteria before reporting.

i. Record observations, calculations, instrument data, and final

results in laboratory records and electronic systems.

j. Report abnormal or non-conforming results to the Laboratory

Supervisor for investigation.

4

Quality Assurance

& Documentation

(NABL requirement)

a. Follow the laboratory Quality Management System (QMS) and

applicable ISO/IEC 17025 requirements.

b. Maintain traceable records of sample receipt, testing,

calculations, calibration, and reports.

c. Participate in internal quality control, proficiency testing, and

inter-laboratory comparison programs.

d. Use Certified Reference Materials (CRMs), blanks, duplicates,

and control samples for quality assurance.

e. Assist in method validation, verification, and estimation of

measurement uncertainty.

f. Ensure all laboratory records are complete, accurate,



legible,

and securely maintained.

g. Maintain confidentiality of customer samples and analytical

data.

5

Equipment

Operation &

Maintenance

a. Operate laboratory instruments according to approved Standard

Operating Procedures (SOPs).

b. Perform routine calibration, verification, and performance

checks of balances, pipettes, pH meters, ovens, furnaces,

analytical instruments, and other laboratory equipment.

c. Maintain equipment logbooks and calibration records.

d. Report equipment malfunction and coordinate repairs with

maintenance or service providers.

e. Ensure equipment qualification and calibration are current

before analytical use.

Sl. No. Job Role Responsibilities

6

Laboratory Safety

& Environmental

Compliance

a. Follow laboratory safety procedures and wear appropriate PPE

during all laboratory operations.

b. Handle acids, alkalis, solvents, compressed gases, and

hazardous chemicals safely according to Material Safety Data

Sheets (MSDS/SDS).

c. Operate fume hoods and ventilation systems appropriately

during hazardous operations.

d. Segregate, label, store, and dispose of laboratory waste

according to regulatory and environmental requirements.

e. Report accidents, spills, near misses, and unsafe conditions

immediately.

f. Maintain valuable laboratory housekeeping practices (5S) to

ensure a clean and organized workplace.

g. Participate in emergency response and safety training

programs.

7

Continuous

Improvement &

Training

a. Stay updated with revisions to ASTM, BIS, ISO, EN, and other

analytical standards.

b. Participate in technical training programs to improve analytical

competency.

c. Assist in developing and revising laboratory SOPs and work

instructions.

d. Contribute to process improvement initiatives aimed at

enhancing laboratory efficiency, accuracy, and turnaround time.

e. Mentor junior laboratory personnel and trainees when required.

Pay: ₹25,000.00 - ₹30,000.00 per month

Ability to commute/relocate:

- Chennai, Tamil Nadu (Chennai, Chennai District): Reliably commute or planning to relocate before starting work (Preferred)

Application Question(s):

- Willingness to travel.

Work Location: In person

📌 General Chemist (India)
🏢 SRI PRIYANKA GEO COMMEX
📍 India