IMS-230
Pulverised Basalt Oxide Au 2.19g/t, 1kg jar
IMS-230 is a basalt and sediment-hosted gold certified reference material, 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 weathered sediments spiked with gold, ensuring reliable performance for Au detection.
Key Features
- Certified gold content: 2.19 g/t ± 0.050 g/t (1 SD)
- Method-specific: Validated for Pb collection fire assay (AAS/ICP finish) across 15 ISO/IEC 17025-accredited labs.
- Supplied in 1kg press-sealed plastic 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 |
2.19 |
0.050 |
0.036 |
2.16 |
2.21 |
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: 10230
