OREAS 78
primary
sulphide
komatiite-hosted nickel sulphide
OREAS 78
SKU: 78
OREAS 78 is a nickel-cobalt sulphide certified reference material (CRM)
prepared from a nickel matte by-product during the refining process at a nickel
refinery.
Specifications
- State: primary
- Matrix: sulphide
- Mineralisation: komatiite-hosted nickel sulphide
- CRM Group: Concentrates
Certified Values
| Analyte | Certified Value | 1SD | 95% CL Low | 95% CL High | Method |
|---|---|---|---|---|---|
| Co, Cobalt (wt.%) | 23.74 | 0.338 | 23.51 | 23.97 | Classical Wet Chemistry |
| Ni, Nickel (wt.%) | 25.79 | 0.265 | 25.62 | 25.96 | Classical Wet Chemistry |
| S, Sulphur (wt.%) | 28.61 | 0.440 | 28.33 | 28.90 | Infrared Combustion |
Product Specifications
State
primary
Matrix
sulphide
Mineralisation
komatiite-hosted nickel sulphide
Availability
available
Certified Reference Values
| Analyte | Certified Value | Uncertainty (1SD) | 95% Confidence Low | 95% Confidence High | Method |
|---|
SD = Standard Deviation | CL = 95% Confidence Limits
Methods: AR = Aqua Regia, 4-Acid = 4-Acid Digestion, LBF = Lithium Borate Fusion, FA/AAS = Fire Assay with Atomic Absorption, LECO = LECO Combustion Analysis
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