Thabani Mtshali

Experience

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  South African Sugar Association

  Feb 2008 - Dec 2008

  Research Intern

  - Crop Nutrition Research in order to provide effective fertilizer recommendations and advice to sugarcane growers in various aspects of sugarcane nutrition and soil fertility.- Main project was to setup a method for measuring non-exchangeable potassium reserved in sugar industry soils using Atomic Absorption Spectrometry (AAS) and Inductively Coupled Plasma- optical Emission Spectrometer (ICP-OES).- Determination of silicon and boron content in sugarcane leaves and farming soils using UV/Vis spectrophotometer.- Analysis of Organic Matter, Carbon and Total Nitrogen in soil by steam distillation and titration method.- Quantitative analysis of Fe in water using Atomic Absorption Spectrometer (AAS) instrument. Show less

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  Geratech Zirconium Beneficiation Ltd.

  Jan 2009 - Apr 2010

  Laboratory Analyst

  - Responsible for performing, documenting routine testing in the Quality Assurance laboratory for finished zirconium chemical products, intermediates, raw materials and also approval of confirming work. - Performing routine lab work using different laboratory techniques and instruments such as :- Particle size analysis by Sedigraph-particle size analyzer.- Quantitative analysis of multi-elements in zirconium products by Inductively Coupled Plasma-Optical Emission Spectrometer (ICP-OES).- Various wet chemistry analysis using Auto-titrators, Spectrophotometers, turbidity meters, pH and conductivity meters.- Implementing and maintaining good laboratory practice (GLP)- Preparation of reagents used for routine analysis in the laboratory.- Ensure safety and general housekeeping in the laboratory- Training and development of new laboratory staff. Show less

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  Coca-Cola Africa Technical Centre

  May 2010 - Sept 2017

  GC Chemist

  - Perform quality testing of any raw ingredients (e.g. water, carbon dioxide) used in the production of Coca-Cola beverages and investigate any non-confirming work.- Perform environmental analysis using Gas chromatography (GC) with FID, PDHID, ECD, SCD or MSD detection. - Perform other physical and analytical testing using instrumentation such as Total Organic Carbon (TOC) analyzers, Flow injection Analyzer (FIA), conductivity meters, auto-titrators, spectrophotometers, Turbidity and pH meters.- Communicate effectively with Line Manager/Clients in terms of test planning, the interpretation of results or early warning of breaches. - Participate in laboratory quality systems such as internal audits, writing standard operating procedures, documentation review, method development and method validations.- Comply and conform to the Quality Management System (ISO/IEC 17025:2005 and SANAS).- Comply with all Safety, Health, Environmental and Quality (SHEQ) requirements according to the relevant standard operating procedures, work instructions and forms.- Logging samples and reporting analytical results using the Laboratory Information Management System (LIMS). Show less

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  ASPIRATA - NOSA Testing

  Apr 2018 - Aug 2022

  Senior Analyst

  - Testing of water and carbon dioxide following all the requirements of ISO/IEC 17025:2017 and SANAS.- Determination of Aflatoxins in feed matrices by selective immuno-affinity solid phase extraction followed by HPLC fluorescence (FLD) quantification.- Perform analysis using Gas chromatography (GC) with FID, PDHID, ECD, SCD or MSD detection.- Perform different laboratory tests to determine chemical and physical characteristics of samples using prescribed methods such as Gallery, IC, FT-IR, ICP-OES, ICP-MS, pH/chloride meters, conductivity meter, turbidimeter, UV Spectrophotometer and total suspended solids testing. - Calibration and verification of laboratory instruments to ensure validity of results produced.- Maintenance of laboratory equipment in terms of required procedures, laboratory protocol.- Analysis and reporting of proficiency samples, evaluating of results and implementing of corrective actions. - Conducting method development, validation and maintenance of the management system in accordance with ISO17025:2017.- Training and development of Junior Laboratory staff.- Compiling of standard operating procedures, forms and validation reports.- Interpretation of results and reporting using LIMS. Show less

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  Jacmar Global Trading

  Feb 2023 - now

  Quality Assurance Officer

  - Monitoring of the Company Safety and Quality Assurance system and staff as well as the SHEQ team to support production/cultivation in the greenhouses and GMP production facility.- Aligning with WHO, international standards, SAHPRA QMS requirements and use the most current SAHPRA templates and guidelines.- Conduct regular Internal Audits and External Audits.- Participate in Safety meetings with quality team and review minutes- Ensure all raw materials received are in line with COA’s/COC’s- Liaise with suppliers regarding non-conformances, ensure corrective and preventative report is kept and an investigation of root cause analysis is conducted- Liaise with pest control company regarding pest activity and scheduling of monthly services- Train relevant employees on responsibilities in line with the Safety Management program to ensure awareness of the safety requirements (GMP, Personal Hygiene in the Workplace, Traceability)- Check all daily production documents are filled out correctly and corresponds to the daily reports- Document control and filing of quality control documents for an easier retrieval process- Send out samples for testing to external lab - ensure external analytical and microbial testing of samples are in line with requirements – along with Senior Growers- Ordering of cleaning chemicals, equipment, and PPE- Ensure staff are trained on SOP’s , coordinate ongoing training to ensure compliance or re-training where needed. Show less