GREESHMA NANDAN

Chemist

Analyze contents in water, soil, concrete, aggregate, and cement based on BS, ASTM, and APHA standards.

• Conducted analyses of acid-soluble and water-soluble sulfate and chloride content in soil, concrete, and aggregate per BS 1377, BS 1881, and BS 1744.
  Assessed organic impurity levels in aggregate using ASTM C40/C40 standards.
• Conducted sulfate and chloride analysis in cement following BSEN 196 standards.
• Analyzed pure and impure silica content along with insoluble residue in cement samples.
• Examined oxides such as aluminum, iron, magnesium, and calcium present in cement.
• Perform the elemental analysis of water sample using ICP (Inductively Coupled Plasma)
• Analyzed supplementary parameters, including pH and conductivity, with pH meter and conductivity meter.
• Assessed water quality by analyzing parameters such as chloride, free chlorine, sulfate, TDS, TSS, total hardness, alkalinity, turbidity, and low and high range COD.
• Engaged in ASHGHAL Audit to implement new standards and scopes.
• Compile monthly consumption log for chemicals utilized in laboratory
• Prepared and standardized chemical solutions for experiments and testing.
• Revise and enhance SOPs and worksheets to meet standard requirements.
• Adhered to safety protocols while handling hazardous materials in the lab and properly follow the procedure for the disposal of chemical waste and maintain the records.

Technical Supervisor

• Supervise and execute daily drift assessments for balances, electric oven, and muffle furnace in laboratory
• Tracking temperature levels in all sections of laboratory and curing rooms.
• Developing review sheets for externally calibrated equipment while assessing accreditation logo, date accuracy, serial number, model number, and measurement traceability.
• Internal verification of laboratory glass wares such volumetric flask, pipette, burette, measuring cylinder, burette were performed accordingly.
• Reviewing all other internal verifications of equipment's in the laboratory.
• Maintaining and revising summary sheet of externally calibrated and internally verified equipment.

•Performed chemical and physical analyses of raw materials, in-process samples, and finished products to ensure quality control standards are met.

• Assesses organic carbon content in WFI and other water locations through TOC analyzer.
• Perform API assay through HPLC methodology.
• Examine raw materials and diverse drugs utilizing FTIR and liquid samples through ATR-FTIR.
• Measure the absorbance of wash water and other materials using UV specctrometer.
• Perform wet chemistry techniques such as titration, pH, conductivity, TDS, Karl Fischer and TLC.
• Conducted chemical analyses of diverse raw materials, excipients, and colors.
• Measuring the optically active compound using polarimeter and check the purity and quality using refractometer.
• Ensuring compliance with Standard Operating Procedures (SOPs) and Good Laboratory Practices (GLP) during sample preparation and analysis.

• Conducting routine analysis of sample according to specification and test methods.

• Calibrating and maintaining laboratory equipment to ensure accuracy and efficiency in testing.

• Reporting and documenting test result accurately and effectively in laboratory information management system.

• Maintain detailed records of analysis, ensuring compliance with GMP standards.

• Collaborated with cross- functional teams to troubleshoot issues and implement corrective actions.