IMS-468
CrushedCRM Primary for Photon Assay, Au 10ppm, jar
IMS-468 is a premium-grade CrushedCRM™ Primary reference material specifically engineered for Chrysos PhotonAssay™ technology, offering unparalleled quality control for high-concentration gold (Au) analysis in silicate rock chips (<5mm). Certified to ISO 33405:2024 and ISO 17034:2016, this material features uniformly distributed gold within a stable mineralogical matrix, ensuring exceptional homogeneity and reliability for demanding analytical workflows.
Key Features
- Certified Values:
- PhotonAssay: 9.83 g/t Au (±0.214 SD)
- Fire Assay: 9.29 g/t Au (±0.232 SD)
- Gravimetric: 10.02 g/t Au
- Method-Specific Validation:
- Validated across 12 PhotonAssay instruments and 12 fire assay labs (ISO/IEC 17025).
- Packaging: Pre-packaged in 450g PhotonAssay™ jars with >95% fill factor and minimal fines (<250µm).
- Validity: 5 years or 100 assay cycles, whichever comes first.
Key Certified Values
| Method |
unit |
Au Certified Value (y) |
Standard Deviation (s) |
95% Confidence Interval (CI) |
||
|
1 SD |
1 SD Within Lab |
lower |
upper |
|||
|
Photon Assay |
g/t |
9.83 |
0.214 |
0.154 |
9.72 |
9.93 |
|
Fire Assay |
g/t |
9.29 |
0.232 |
0.116 |
9.16 |
9.43 |
|
Gravimetric |
g/t |
10.02 |
– |
– |
– |
– |
Intended Use
- PhotonAssay QC: Validate instrument performance with as-received 450g samples (no preparation needed).
- Fire Assay QC: Monitor traditional fire assay workflows.
- Bias Detection: Identify contamination or procedural errors in gold analysis.
