Chemical Formula: Ni/Cu
Catalog Number: ST0103
CAS Number: 7440-02-0 | 7440
Purity: 99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Nickel is a chemical element originated from the shortened of the German ‘kupfernickel’ meaning either devil’s copper or St. Nicholas’s copper. It was first mentioned in 1751 and observed by F. Cronstedt. The isolation was later accomplished and announced by F. Cronstedt. “Ni” is the canonical chemical symbol of nickel. Its atomic number in the periodic table of elements is 28 with location at Period 4 and Group 10, belonging to the d-block. The relative atomic mass of nickel is 58.6934(2) Dalton, the number in the brackets indicating the uncertainty.
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.
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