LEACH-PRF-14
Sample Digestion & Chemical Preparation
Leach Profile Testing & Dynamic Carbon Gold Extraction
Diagnostic cyanide leach kinetics profiling assessing free-milling vs refractory gold behavior, cyanide consumption, and preg-robbing characteristics of mineralized ores.
Detection Limits
0.01 – 100 ppm Au
Turnaround (TAT)
Standard: 3-5 Working Days
Sample Requirement
500g to 2kg crushed ore or pulp
Quality Framework
ISO/IEC 17025 Compliant
Analytical Overview & Methodology
Diagnostic leaching reveals the extractability of gold across processing timeframes. RVA Laboratories’ Leach Profile Testing (LEACH-PRF-14) empowers process engineers to optimize residence times and reagent costs.
Technical Method Specifications (LEACH-PRF-14)
| Method Code | LEACH-PRF-14 |
|---|---|
| Element Coverage | Cyanide Soluble Gold (Au_CN), Carbon Activity, Residue Gold (Au_Res) |
| Detection Range | 0.01 – 100 ppm Au |
| Sample Requirement | 500g to 2kg crushed ore or pulp |
| Instrumentation | Laboratory Agitators + Cyanide Titration + AAS Analysis |
| Standard Turnaround | Standard: 3-5 Working Days |
Laboratory Protocols & Execution Specs
- Kinetic Stages: 2h, 4h, 8h, 12h, 24h, 48h solution sampling
- Parameters Monitored: Dissolved Oxygen, pH, Free NaCN concentration, Au extraction
- Metallurgical Accounting: Solution assay + Tailings fire assay = 100% Mass balance
JORC & NI 43-101 Data Integrity Guarantee
Every batch tested under method LEACH-PRF-14 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.