PBS-88 4.2ppm Au
Pulverised Basalt Au 4.202g/t
PBS-88 is a high-grade basalt-hosted gold CRM designed for rigorous quality control in fire assay analysis. This material delivers exceptional reliability for mining and exploration laboratories.
Key Features
- Certified Au Content: 4.202 ppm ± 0.104 ppm (1 SD)
- Method-Specific Validation: Tested across 13 ISO/IEC 17025-accredited labs for Pb fire assay (AAS/ICP finish)
- Optimized Packaging: Supplied in 1kg and 2kg PET jars with tamper-evident seals
- Extended Shelf Life: 5-year validity when stored in cool, dry conditions
- Superior Homogeneity: RSD of just 1.4% in homogeneity studies
Key Certified Values
|
Analyte |
unit |
Value |
Standard Deviation |
95% Conf. Int. |
||
|
1 SD |
1 SD Within Lab |
lower |
upper |
|||
|
Au |
ppm |
4.202 |
0.104 |
0.075 |
4.152 |
4.252 |
Intended Use
- QC Monitoring: Validate fire assay accuracy (25-50g aliquots)
- Bias Detection: Identify systematic lab errors
Pulverised Gold
SKU: 10088
