Chemical Formula: Cu/In
Catalog Number: ST0088
CAS Number: 7440-50-8 | 7440
Purity: 99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Copper is a chemical element originated from the Old English name coper in turn derived from the Latin ‘Cyprium aes’, meaning a metal from Cyprus. It was early used in 9000 BC and discovered by people from the Middle East. “Cu” is the canonical chemical symbol of copper. Its atomic number in the periodic table of elements is 29 with location at Period 4 and Group 11, belonging to the d-block. The relative atomic mass of copper is 63.546(3) Dalton, the number in the brackets indicating the uncertainty.