Deskripsi pekerjaan
The Assay Technician is responsible for the preparation, testing, and analysis of geological, mineral processing, and refined metal samples.
Tanggung jawab: 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.
Kualifikasi: 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; Regular handling of chemicals and laboratory equipment; Laboratory Safety Training; HAZMAT/ Chemical Handling; ISO 17025 Laboratory Awareness; First Aid Certificate.
Tanggung jawab
- 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
Kualifikasi
- 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
- Regular handling of chemicals and laboratory equipment
- Laboratory Safety Training
- HAZMAT/ Chemical Handling
- ISO 17025 Laboratory Awareness
- First Aid Certificate
Informasi lowongan
- Tipe pekerjaan
- Full-time
- Gaji
- Rp 6.000.000 – Rp 9.000.000 per month