PBS-87 1.93ppm Au
Pulverised Basalt with Gold 1.932 g/t
PBS-87 is a basalt-hosted gold certified reference material (CRM) designed for precision quality control of fire assay gold analysis in mining and exploration laboratories. This CRM features a homogenized blend of pulverized Bunbury basalt and pyrite spiked with gold, ensuring reliable performance for Au detection.
Key Features
- Certified gold content: 1.932 ppm (g/t) ± 0.043 ppm (1 SD)
- Method-specific: Validated for Pb collection fire assay (AAS/ICP finish) across 13 ISO/IEC 17025-accredited laboratories.
- Supplied in 1kg and 2kg PET jars, with unique batch labels for traceability.
- Valid for 5 years when stored sealed in cool, dry conditions.
Key Certified Values
|
Analyte |
unit |
Value |
Standard Deviation |
95% Conf. Int. |
||
|
1 SD |
1 SD Within Lab |
lower |
upper |
|||
|
Au |
ppm |
1.932 |
0.043 |
0.030 |
1.910 |
1.954 |
Intended Use
- QC monitoring: Calibration and validation of fire assay methods (25–50g aliquots).
- Bias detection: Identification of laboratory or procedural errors in Au analysis.
- Homogeneity assurance: Certified for low variability (RSD: 2.2%).
- Minimum sample mass: 25g for fire assay to ensure representativeness.
Pulverised Gold
SKU: 10087
