Tonny Kumane Sambao
CHEMIST/MET TECHNICIAN/PROCESS TECHNICIAN
Port Moresby,EPW
Summary
Detail-oriented chemist with 3 years of hands-on experience in a mining laboratory, specializing in analytical chemistry, sample lesling, and data analysis. Eager 10 join a dynamic team to apply my expertise, drive innovation in mineral exploration, and contribute to efficient extraction processos through meticulous work and problem-solving skills.
Overview
8
8
years of professional experience
1
1
Language
Work History
Laboratory Supervisor
INTERTEK TESTING SERVICES- HARMONY GOLDMINE
06.2025 - Current
- Experienced in:
- Sample Preparation
- Fire Assay (FA 25)
- AAS (Agilent 55)
- Wet Chemistry
- WAD CYANIDE ANALYSIS (2HRLY, 4HRLY and 12HRLY basis of analysis)
- PH Checks for detox discharge, Buffer and Detox feed solutions Sample
- Wet and dry Sizing & Specific Gravity Calculation
Laboratory Technician
NEW PORGERA GOLD MINE
01.2023 - 07.2025
- Fire Assaying and Sample Preparation.
- Sample short log and dry.
- Pulverizing of Crushed samples in its homogeneity in less than 20µm using LM5s and crush using Boyd and Combo Crushers.
- Weighing Mill Samples (FA25 and FA50), Goo Samples, CEP, Mels and KC samples.
- Loading of Samples in the Furnaces (Fusion and Cupellation Furnaces).
- Pouring samples in fusion furnaces within the temperature of 850-950 C.
- Knocking Fused Samples and load them to Cupellation Furnaces.
- Competent to do basic trouble shootings in the fire Assay.
- Analyze gold in concentrator samples using acic digest extraction (Aqua Regia) using Alomi: Absorption Spectrometer (AAS).
- Read and analyse gold in samples from the fire Assay prills (Gold prill) using AAS.
- Do QAQC after analysing each samples.
- Preparation Au working Standards and do Calibration for AAS and for the dispensers.
- Basic Trouble shootings and Changing of Acetylene gases.
- Labelling of Crucibles for filtering samples according to the Job numbers.
- Weigh, digest and Filter mill, Mets, geo samples (Production and grade control) samples-leaching method.
- Prepare in house standards, floc, NaCO3 and Boric Acid.
- Competent in handling hazardous Chemicals
- Shift Works like, CO 2 titration, DIBK Extraction, analyse Gold in Silicatos.
- Copper Sulphate Titration.
- Au in Carbon Analysis - Ashing and Digestion
- AAS Intruments - Calibration & Troubleshooting
- LABFITS - Calibration & trouble shootings
- LECO - .Calibration & trouble shootings
Assay Laboratory Technician
BARRICK PORGERA GOLD MINE
01.2018 - 12.2020
Education
Bachelor of Sciences - Applied Chemistry
PNG UNIVERSITY OF TECHNOLOGY
Lae01.2017
Grade 10 and Grade 12 Certificates - undefined
ST. PAUL'S LUTHERAN SECONDARY SCHOOL
Enga01.2013
References
- John, Sardo, Superintendent, john.sardo@npltd.com, 74747550, New Porgera LTD
- Getruth, Pogo, Senior Chemist Specialist, gertruth.pogo@npltd.com, 79431206, NEW PORGERA LIMITED
- Hillary, Turnamur, LABORATORY MANAGER, hillary.tarnamur@intertek.com, 70822493, Itertek Mineral Service (Harmony Hidden Valley)
EXTRA-CURRICULAR ACTIVITIES
FIRST AID TRAINING, OHS-MEDICAL CENTRE 04/2024 – Present Provide CPR FIELD LEVEL RISK ASSESSMENTS (FLRA), PORGERA JOINT VENTURE 01/2024 – 12/2024 COURAGE TO CARE, PORGERA JOINT VENTURE 01/2024 – 12/2024 COURAGE TO SAFETY AND LEADERSHIP TRAINING, PORGERA JOINT VENTURE 01/2024 – 12/2024 FIRE FIGHTING TRAINING, PORGERA JOINT VENTURE 01/2024 – 12/2024 JOB HAZARD ASSESSMENT (JHA), PORGERA JOINT VENTURE 01/2021 – 12/2024
INTERNSHIP
INDUSTRIAL TRAINEE, PORGERA JOINT VENTURE ASSAY LABORATORY 01/2016 – 03/2016 Porgera
COURSE
PROVIDE CPR, OHS-MEDICAL CENTRE 04/2024 – Present
Timeline
Laboratory Supervisor
INTERTEK TESTING SERVICES- HARMONY GOLDMINE
06.2025 - Current
Laboratory Technician
NEW PORGERA GOLD MINE
01.2023 - 07.2025
Assay Laboratory Technician
BARRICK PORGERA GOLD MINE
01.2018 - 12.2020
Grade 10 and Grade 12 Certificates - undefined
ST. PAUL'S LUTHERAN SECONDARY SCHOOL
Bachelor of Sciences - Applied Chemistry
PNG UNIVERSITY OF TECHNOLOGY