Copper Powder for Sale - High-Purity Isotopic Composition! Location: Locarno, Switzerland Purity: 99.9998% Composition: Enriched with 63Cu at 89.1% ± 0.05% and 65Cu at 30.9% ± 0.05% Product Details: Available in glass vials of 200g and 250g. 1 ton in stock. Documentation: Legal documents provided post-initial due diligence. Authorized to sell by the manufacturer. Price: da 250 a $400 per gram.