Laboratory Technician at Blendcor (pty) ltd
Responsible in complying with IS 14001 and 45001 standard.
- Calibrates, validates, verification, troubleshoot and run tests on laboratory instruments and equipments.
- Verification and validation of methods.
- Calibration of equipment as required by ISO: TS16949.
- Quality Certificate control as required by ISO: TS16949.
- Testing of Correlation samples.
- Checking of Quality Certificates supplied by the suppliers against standards and products received.
- Control of all retention samples of raw materials.
- Approval and blend reformulation to accommodate the current supply of base oils.
- HSSE audits training and identifying of risks/hazards.
- Reporting of Quality Incidents.
- Laboratory testing of engine oils, gear oils, hydraulic oils and turbine oils according to ISO 9001:2000 requirements.
- Testing and release raw materials for blending and finished products.
- Testing of imported base oils for discharge from the ship into the tanks.
- Sample test turnaround times between marketers and laboratory.
- General laboratory techniques, housekeeping, and proper application of safety measures.
- Preparation of standards and reagents
- Segregation and Disposal of waste According to ISO 14001.
- Capturing data of analysis by means of Laboratory Information Management System (LIMS) and sending out reports and feedback
- Density (ASTM D4052), Colour (ASTM D1500), Kinematic viscosity (ASTM D445)
- Cold cranking simulation (ASTM D5293), Inductively coupled plasma (ASTM D5185 & D4951)
- Pour point (ASTM D6749), Total acid number (ASTM D974)
- Base number by potentiometric titration (ASTM D2896), Tan delta (IEC247)
- Demulse at 54'c & 82'C (ASTM D1401), Foaming characteristics & stability (ASTM D892)
- Cleveland open cup flash point (ASTM D92), FTIR, Brookfield viscosity (D2983)
- Noack volatility (ASTM D5800), Filterability factor (TMS371)
- Water content (ASTM D6304), MRV viscosity (ASTM4684)
- Pensky martens closed cup flash point (ASTM D93)
- Agilent Cary 360 and PerkinElmer FTIR
- Conductivity
- PH meter
- Centrifuge
Laboratory Technician at SIKA SOUTH AFRICA (PTY) LTD
- Testing of raw materials and (paint, cement, grout, bonding, sealing, damping, reinforcing and protecting solutions) product and calibration of instruments
- Creating Laboratory procedures and Working Instructions
- Preparation of standards and Calibration of instruments
- Instruments used: viscometer, densitometer, epoxy
- Wet Chemistry
- Sample preparation
- Axaptor (Administration)
- Assist in preparation of new QC standards
- Contribute to implementation/improvement of test methods/procedures
- Maintain a high standard of laboratory cleanliness
- Ensure that test equipment is calibrated and maintained to specified standards, whilst adopting safe working practices at all times.
Laboratory technician at SGS SOUTH AFRICA (SA LITHIUM MINE)
- Perform weighing, drying and crushing of samples as required by the client's instructions for sample preparation.
- Perform splitting, pulverizing and boxing of samples in Sample Prep and do screen checks.
- Perform the screening of samples for PSA.
- Perform discarding of samples.
- Perform the weighing, fluxing, fusion and cupelling processes within Fire Assay.
- Discarding of samples to return to the client.
- Punctuality at all times.
- Ensure customer requirements are achieved with regard to turn around time commitments. Report daily production figures to the shift/team leader and also bona fide explanations about targets not met and status of equipment/consumables.
- Follow immediate superior's clear detailed instructions and demonstrate flexibility in executing the duties.
- Perform housekeeping to ensure that the work areas and surrounding environment is kept clean at all times.
- Comply and conform to the QHSE policy of the company.
- Good understanding of SLIMS and CCLAS.
- Comply and conform to the Quality Management System (ISO17025 and SANAS).
- Assist with the maintenance of the laboratory instruments and apparatus.
- Able to work in all departments of sample preparation and Fire Assay (rotation)
- Adhere to all quality and safety requirements of the SGS management system.
- Perform any other reasonable tasks as assigned by direct line manager.
- Instruments used: 55 Atomic Absorption Spectrometer, BRUNKER ALPHA II FTIR, PULVIRISER MILL
Laboratory technician at Harmony Gold mine (SGS South Africa)
- Fire assay, The industry-standard, high-temperature metallurgical technique for determining the precise concentration of gold, silver, and platinum group elements (PGEs) in ores, concentrates, and bullion.
- Responsibility to draw up weekly status & production report with regard to internal analysis concerning the responsibility, under the guidance of Section Manager, to validate any new methods or modifications made for XRF analysis.
- Competent in the use of the LIMS
- Able to do troubleshooting on instrument and methods used.
- Instrument used:- Agilent AAS, ICEP-OES, XRF, LECO.
