
Nhlabathi kaRADEBE
Laboratory Analyst | Analytical Chemist | Forensic Science
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About
Analytical Laboratory Analyst with a BSc Honours in Forensic Science and practical experience in ISO/IEC 17025-accredited and GMP-regulated laboratories. Skilled in pesticide-residue, pharmaceutical and forensic toxicology workflows, including sample preparation, instrument operation, data review, method development, validation and verification. Hands-on experience with LC-MS/MS, GC-MS/MS, HPLC, GC-FID, AAS, FT-IR, UV-Vis and Karl Fischer titration, supported by disciplined documentation, quality-control and regulatory-compliance practices.
Experience
Junior Analyst at Mérieux NutriSciences (Hortec) (2026-03 – Present)
- Prepare standards, stock solutions and working solutions for routine sample analysis.
- Perform chemical extraction of raw materials and other samples for pesticide-residue testing.
- Operate and troubleshoot SCIEX 4500 and SCIEX 7500 LC-MS/MS systems.
- Follow approved LC-MS/MS maintenance procedures and support reliable instrument performance.
- Analyse Multiresidue, PolarPest, Guazatine, Patulin and Glyphosate methods using LC-MS/MS.
- Review and report analytical results within required turnaround times and customer service agreements.
- Capture sample and analytical information accurately in the HASS laboratory system.
- Maintain complete electronic and hard-copy audit trails in collaboration with laboratory and quality management.
- Work in accordance with ISO/IEC 17025 requirements, work instructions and relevant laboratory guidelines.
- Identify quality-system or procedural deviations and initiate appropriate corrective action.
- Maintain reagent and consumable stock-control procedures.
- Execute good-housekeeping and health-and-safety systems and assist with sample preparation when required.
- Conduct literature searches on new analytical methods and techniques when required.
Product Development Chemist at Nautilus Pharma (2025-08 – 2026-02)
- Tested raw materials, trial batches, finished products and stability samples.
- Analysed tablets, capsules, oils, syrups and powders in accordance with approved pharmaceutical standards.
- Conducted laboratory testing in accordance with SOPs, GMP, GLP and GDP requirements.
- Operated and maintained HPLC, GC-FID, AAS, FT-IR, UV-Vis and Karl Fischer instrumentation.
- Supported instrument troubleshooting, routine maintenance and verification activities.
- Developed and optimised new and existing analytical methods against defined specifications.
- Performed analytical method validation and verification and evaluated method performance.
- Compiled method-development, optimisation, verification and validation protocols and reports.
- Prepared detailed raw-data records and scientific reports for completed testing.
- Drafted stability-study protocols and prepared stability summary reports.
- Drafted and revised analytical protocols and Standard Operating Procedures.
- Trained QC analysts on newly developed analytical methods.
- Tracked instruments due for servicing and calibration and liaised with responsible personnel.
- Maintained laboratory cleanliness, safe waste disposal and laboratory gas-cylinder control.
Laboratory Intern at South African Doping Control Laboratory (2024-02 – 2025-07)
- Registered and processed blood and urine specimens in the Laboratory Information Management System (LIMS).
- Prepared blood and urine samples for drug analysis in accordance with approved SOPs.
- Performed dilute-and-shoot, free-fraction solid-phase extraction and liquid-liquid extraction.
- Analysed prepared samples using GC-MS/MS and LC-MS/MS instrumentation.
- Conducted qualitative and quantitative data analysis using MassHunter, ChemStation and OpenLab.
- Compiled scientific reports and documented analytical results in accordance with laboratory requirements.
- Performed routine maintenance on GC-MS/MS and LC-MS/MS systems and supporting laboratory equipment.
- Maintained pH meters, balances, centrifuges, fume hoods, ovens and heating blocks.
- Completed and reviewed QC charts to support ongoing quality monitoring.
- Supported analytical method development, validation and verification activities.
- Prepared stock, method and working solutions and assisted with reference-standard inventory and ordering.
Student Laboratory Assistant at University of the Free State (2023 – 2023)
- Assisted with the preparation and delivery of undergraduate laboratory practical sessions.
- Supported students with safe laboratory procedures, practical activities and orderly work areas.
Supervisor / Data Capturer - Census 2022 at Statistics South Africa (2022 – 2022)
- Supported census field and data-capture activities while maintaining accurate, complete records.
- Supervised assigned activities and assisted with data checking, capture and administrative coordination.
Education
BSc Honours in Forensic Science – University of the Free State (2023)
BSc in Forensic Science and Chemistry – University of the Free State (2022)
National Senior Certificate in Grade 12 – Manthatisi High School (2017)
