IMS-227
Pulverised Basalt Oxide Au 0.82g/t, 1kg jar
IMS-227 is a basalt and sediment-hosted gold certified reference material, purpose-built for fire assay gold analysis quality control in geochemical and mining laboratories. Prepared and certified in accordance with ISO Guide 35:2017 and ISO 17034:2016, IMS-227 offers high consistency, traceability, and proven performance for gold assay calibration and validation.
Key Features
- Certified gold content: 0.82 g/t ± 0.031 g/t (1 SD)
- Method-specific: Validated for Pb collection fire assay with AAS or 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.
- Storage: Stable for 5 years under sealed, 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 |
0.82 |
0.031 |
0.023 |
0.81 |
0.84 |
Intended Use
- Quality control: For calibration, validation, and monitoring of fire assay workflows using 30–50 g aliquots
- Bias detection: Suitable for identifying analytical or procedural variation across multiple assay labs
- Minimum sample mass: 30 g to ensure validity of certified parameters
Pulverised Gold
SKU: 10227
