IMS-265
Pulverised Basalt Sulphide Au 0.31g/t, 1kg jar (LOW STOCKS)
IMS-265 is a basalt-hosted gold certified reference material (CRM), designed for quality control of fire assay gold analysis in mining and exploration laboratories. Certified in accordance with ISO Guide 35:2017 and ISO 17034:2016, this CRM features a homogenized blend of pulverized basalt and minor pyrite spiked with gold, ensuring reliable performance for Au detection.
Key Features
- Certified gold content: 0.31 g/t ± 0.011 g/t (1 SD)
- Method-specific: Validated for Pb collection fire assay (AAS/ICP finish) across 14 ISO/IEC 17025-accredited labs.
- Supplied in 1kg press-sealed jars, with 50-100g sachets available upon request for blind laboratory submissions.
- Valid for 5 years when stored sealed in cool, dry conditions.
Key Certified Values
|
Analyte |
unit |
Certified Value (y) |
Standard Deviation (s) |
95% Confidence Interval (CI) |
||
|
1 SD |
1 SD Within Lab |
lower |
upper |
|||
|
Au |
g/t |
0.31 |
0.011 |
0.005 |
0.31 |
0.32 |
Intended Use
- QC monitoring: Calibration and validation of fire assay methods (30–50g aliquots).
- Bias detection: Identification of laboratory or procedural errors in Au analysis.
- Minimum sample mass: 30g for fire assay to ensure representativeness.
Pulverised Gold
SKU: 10265
