Skill diminta
Analytical ThinkingAttention to DetailCommunicationFirst AidMicrosoft ExcelQuality ControlTeamworkTime Management
Deskripsi
Job Title: Assay Technician (Ore Laboratory)
Key Responsibilities
- Sample Preparation
- Receive, register, and identify incoming samples.
- Crush, dry, pulverize, split, and weigh samples according to laboratory procedures.
- Ensure proper sample traceability and prevent contamination.
- Laboratory Analysis
Perform chemical assays and analytical testing on: Exploration drill core samples, Ore samples, Heavy mineral concentrates, Tailings, Refined gold products
Determine the concentration of: Gold (Au), Silver (Ag), Copper (Cu), Lead (Pb), Zinc (Zn), Arsenic (As)
Meet required analytical detection limits
- Au: 0.1 g/t
- Ag: 0.2 g/t
- Cu/Pb/Zn: 0.5 g/t
- Analyze routine samples with grades ranging from 1–50 g/t.
- Verify refined gold purity up to 99.99%.
Laboratory Equipment
- Operate laboratory instruments safely and efficiently.
- Perform routine calibration and maintenance.
- Report equipment malfunctions promptly.
- Data & Reporting
- Record analytical results accurately.
- Prepare laboratory reports.
- Verify results before submission.
- Maintain complete testing records.
- Quality Assurance & Safety
- Follow ISO, laboratory SOPs, and QA/QC procedures.
- Use reference standards, blanks, and duplicate samples where required.
- Comply with HSE requirements and proper chemical handling procedures.
- Maintain laboratory cleanliness and organization.
Qualifications
- Diploma (D3) or Bachelor's degree in Chemistry, Chemical Engineering, Metallurgy, Mining Engineering, Geology, or related field.
- Fresh graduates are welcome; 1–3 years of laboratory experience is preferred.
- Mining laboratory experience is an advantage.
Required Skills
- Ore sample preparation
- Fire assay (if applicable)
- Wet chemical analysis
XRF
AAS
ICP-OES / ICP-MS
- Laboratory mathematics and calculations
- Microsoft Excel
- Laboratory documentation
- Equipment calibration
- Quality control procedures
Competencies
- High attention to detail
- Strong analytical thinking
- Good communication skills
- Integrity and honesty
- Time management
- Teamwork
- Ability to work under pressure
- Safety awareness
Preferred
- Regular handling of chemicals and laboratory equipment
- Laboratory Safety Training
- HAZMAT/ Chemical Handling
- ISO 17025 Laboratory Awareness
- First Aid Certificate