Certificate of Analysis

Product Name COPPER (II) SULPHIDE 99.99%
CAS Number 1317-40-4
Molecular Formula CuS
Catalogue No. AL00556
Molecular Weight 95.61 g/mol
Batch Number AL-2026-AL00556
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥99.99% 99.99%
Moisture Content ≤0.1% 0.05%
Residue on Ignition ≤0.5% 0.3%
Related Substances None detected None detected
Result: The above product is expected to comply with 99.99% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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