Ultrafine isotope copper powder Cu63, 65

Decription: We can offer ultrafine isotope copper powder Type.UN.3089 Class 4.1 military grade. Purity 99.999% 1, 095, 485 grams.Price 320 USD per gram. Purity 99.998% 251, 676 grams. Price 270 USD per gram....

Seller: win win  Thailand