Mashego - Chemical Analyst - Lilianton, Boksburg, South Africa

Lucky Mashego

Lilianton, Boksburg, South Africa


Chemical Analyst


Supervisory skills, Planning and Organising, Fire Assay Techniques, Wet Chemistry and instrumentation skills, Conflict Management skills, Computer Skills

Work History

Senior Chemist(Fire Assay)

Rappa Resources

November 2008 - August 2013

Description of Duties: Evaluate, train staff and implementation of laboratory resources.
Check results and validate the final report of results and send to customer.
Attend and investigate customer complaints.
Responsible for sample routine, formulating changes, improving workflow.
Developing and implementing new method.
Responsible for effective and appropriate use of equipment and facilities including breakdowns, maintenance, repairs and servicing according to internal schedules.
Responsible for development, effective utilization and supervision of human resources policies within the section, including training, recruitment and discipline.
Determine, manage and drive initiatives in order to implement accreditation requirements as per the company and ISO 17025 requirements.
Responsible for staff to comply and conform to the QHSE policy of the company.
Responsible for staff to work accordingly to their quality procedures and working instruction.
Determining precious metals by fire assay from ores or catalyst and using Nickel Sulphide or Lead collection.
Gravimetric assay of Gold Bullion.
Assay by-product from gold plant, gold material such as woodchip, ash, feedmix and steel/rubber liners or ashes using lead collection for silver and gold determination either gravimetrically or by ICP-OES finish.
Stress isolation of lower from higher grade material.

Instrumentation Skills: XRFS, ICP-OES
Gross Salary: R28072.57
Benefits: Company Car, Petrol, Profident Fund, Production Bonus and 13th Cheque & funeral Cover

Nett Salary: (the amount you take home) R19691.05

Why do you want to leave? Retrenched because the company was having financial crisis.

Contact for reference: Engela Du Preez (087 310 4173)



Anglo Research

October 2003 - September 2008

Description of Duties: Supervise and train staff in fire assay techniques- Nickel Sulphide and Lead collection of precious metal group.
Reporting validated results to customer and attend to their complaints and investigate.
Identifying and recommend all training needed for employees.
Ensure that quality results are produced within the required turnaround time.
Running the day-to-day mining samples on XRFS and ICP-MS, including reading monitors to check the instrument drift and calibration.
Performing KPA and planned task observation for employees.
Review and edit methods and SOP for the section.
Compile and review Task Baseline Risk Assessment for the section.
Ensure quality procedures and methods are adhered and are up to date.
Encourage a harmonious, motivated and effective and discipline team.

Instrumentation Skills: XRFS and ICP-MS
Reason for leaving: Needed to gain more experience on other analytical techniques.

Contact for reference: Vusi Ngobeni (011-842 2091/2184(w) OR 083 412 8309




October 2002 - September 2003

Description of Duties: Sample preparation for acid digestion of base metal analysis from geological and internal plant material with ICP-OES finish.
Optimize and running ICP-OES instrumentation.
Report result to customer.
Train new staff on analytical techniques and LIMS.
Make sure that the results are reported within the specified turnaround time.
Adhere to company quality systems and health and safety policies.

Instrumentation Skills: ICP-OES
Reason for leaving: Better opportunities and a challenging work environment.

Contact for reference: Kgobalale Motubatse (082 798 9237)


Laboratory Technician

Anglovaal Research Laboratory

November 2001 - September 2002

Description of Duties: Sample preparation of geological ores from mines-Crushing the rock material into small chips, then splitting on riffle splitter and mill the material to a requires size.
Assisting in monitoring fire assay production and quality in the laboratory.
Preparing samples for acid digestion to determine base metals on ICP-OES and AAS and UV-Vis.
Responsible for the preparation of samples by Nickel Sulphide or Lead collection for precious metal groups determination.
Ensure that the quality standard of the laboratory is maintained and adheres to health safety policies of the company.
Perform a gravimetric determination of Gold and Silver in lower grade gold ores.
Make sure that sample contamination is avoided at all cost.
Make sure the laboratory comply and conform to ISO 17025 standards.

Instrumentation Skills: AAS, UV-Vis, Thermal Gravimetric Analyzer, Carbon & Sulfur Analyzer and Malvern for
Particle analyzer
Reason for leaving: End of contract

Contact for reference: Thabo Modipane (082 934 9828)


Laboratory Technician

University of the Witwatersrand

May 2000 - October 2001

Description of Duties: Preparation of geological and mineralogical samples for the determination of trace and major elements on a pressed powder pellets or fuse disks with XRFS finish.
Running of XRFS and carbon analyzer instruments.
Training of undergraduate students and academics in the use and care of these instruments and sample preparation.
Reporting results to academic staff.
Make sure the quality of results is produced within the specific turnaround time.
Stress to undergraduate students the isolation of lower grade material from higher grade samples.
Make sure the quality procedures, methods are followed and health and safety standards of the institution are adhered.
Crush geological rocks into small chips, split the crushed material and make sure the splitted material represent the bulk or original sample then dry if needed and mill.

Instrumentation Skills: XRD, XRFS and Leco for Carbon Analyzer

Reason for leaving: I wanted to gain more experience, since the work was routine and no challenges.

Contact for reference: Sharron Turner (011 717 6542)

Description of Duties:

Instrumentation Skills:
Reason for leaving:

Contact for reference:

Are you willing to relocate? If so, to which Provinces? Yes, Northern Cape, Northern Province, North-West Province and Mpumalanga

Are you happy for us to carry out qualification & credit checks on you? Yes

Qualifications & Certifications

National Diploma in Analytical Chemistry

Technikon of the Witwatersrand

Supervision and Applied Theory & XRFS Software

Sofunda High School

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