MET-BRL-19
Metallurgical Testwork & Leaching
Cyanide Bottle Roll Leach Kinetics & Recovery Testing
Bench-scale cyanidation testwork determining gold and silver leach kinetics, reagent consumptions (NaCN and hydrated lime), and optimum grind size for CIL/CIP and heap leach plant design.
Detection Limits
Extraction %: 0.1% to 100.0%
Turnaround (TAT)
Standard: 5-7 Working Days (includes 24h to 72h leach cycle)
Sample Requirement
1.0 kg to 5.0 kg crushed ore or pulp per test
Quality Framework
ISO/IEC 17025 Compliant
Analytical Overview & Methodology
Our Cyanide Bottle Roll Testing (MET-BRL-19) simulates commercial plant leaching conditions at bench scale, establishing exact gold recovery kinetics and reagent consumption rates for feasibility studies.
Technical Method Specifications (MET-BRL-19)
| Method Code | MET-BRL-19 |
|---|---|
| Element Coverage | Gold & Silver Extraction %, Leach Kinetics Curve, NaCN Consumption, Lime Consumption |
| Detection Range | Extraction %: 0.1% to 100.0% |
| Sample Requirement | 1.0 kg to 5.0 kg crushed ore or pulp per test |
| Instrumentation | Multi-Tier Roller Bottle Agitation Benches + Dissolved Oxygen & pH Meters + Flame AAS |
| Standard Turnaround | Standard: 5-7 Working Days (includes 24h to 72h leach cycle) |
Laboratory Protocols & Execution Specs
- Pulp Density: 40% - 50% solids by weight
- Leach Duration: 24h, 48h, 72h continuous bottle roll on motorized benches
- Reagent Accounting: Accurate NaCN and hydrated lime consumption titration
- Grind Sensitivity: Comparative testing across multiple P80 grind sizes
JORC & NI 43-101 Data Integrity Guarantee
Every batch tested under method MET-BRL-19 includes matrix-matched Certified Reference Materials (CRMs), analytical blanks, and duplicate splits at a minimum 20% insertion rate. Official digital Certificates of Analysis are digitally signed and traceable.