IMS-334
Pulverised gold-copper, basalt, sulphide, Au 1.45ppm, Cu 0.64%, 1kg jar
IMS-334 is a premium gold-copper sulphide CRM designed for rigorous quality control in mining and exploration laboratories. Certified to ISO Guide 35:2017 and ISO 17034:2016, this material combines homogenized basalt with Australian copper sulphide concentrate, delivering reliable validation for both fire assay (Au) and multi-acid digest (Cu + 25 elements) methods.
Key Features
- Certified Concentrations:
- Au (Fire Assay): 1.45 g/t
- Cu (Mixed Acid Digest): 6352 ppm
- Additional Certified Elements (see full certificate).
- Method-Specific Validation:
- Validated across 13 ISO/IEC 17025-accredited laboratories for fire assay (AAS/ICP finish) and four-acid digest (ICP-OES).
- Supplied in 1kg press-sealed plastic jars, with 50-100g sachets available upon request for blind laboratory submissions.
- Validity: 5 years when stored sealed in cool, dry conditions.
Key Certified Values
|
Analyte |
Method |
unit |
Certified Value (y) |
Standard Deviation (s) |
95% Confidence Interval (CI) |
||
|
1 SD |
1 SD Within Lab |
lower |
upper |
||||
|
Au |
Fire Assay |
g/t |
1.45 |
0.034 |
0.023 |
1.43 |
1.46 |
|
Cu |
Mixed Acid Digest |
ppm |
6352 |
146 |
75.7 |
6267 |
6437 |
Intended Use
- Quality Control:
- Calibration and validation of fire assay (25–50g aliquots) for Au.
- Validation of four-acid digest (0.2g aliquots) for Cu and multi-element analysis.
- Bias Detection: Identify contamination or procedural errors in high-Cu sulphide matrices.
Pulverised Gold
SKU: 10334
