IMS-328
Pulverised Basalt Sulphide Au 16.8g/t, 1kg jar
IMS-328 is a high-grade gold certified reference material (CRM) designed for precision quality control in fire assay analysis for mining and exploration laboratories. Certified in accordance with ISO Guide 35:2017 and ISO 17034:2016, this CRM is a homogenized blend of pulverized basalt and pyrite spiked with gold, ensuring robust performance for Au detection.
Key Features
- Certified Gold Content: 16.80 g/t ± 0.511 g/t (1 SD)
- Method-Specific: Validated for Pb collection fire assay (AAS/ICP finish) across 13 ISO/IEC 17025-accredited laboratories.
- Supplied in 1kg press-sealed plastic jars, with 50-100g sachets available upon request for blind laboratory submissions.
- Validity: 10 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 |
16.80 |
0.511 |
0.317 |
16.53 |
17.06 |
Intended Use
- QC Monitoring: Calibration and validation of fire assay methods (25–50g aliquots).
- Bias Detection: Identify laboratory or procedural errors in high-grade Au analysis.
- Minimum Sample Mass: 25g for fire assay to ensure representativeness.
Pulverised Gold
SKU: 10328
