Shape:Discs, Plates, Column Targets, Step Targets, Custom-made
Zirconium is a chemical element originated from the Persian ‘zargun’, meaning gold coloured. It was first mentioned in 1789 and observed by H. Klaproth. The isolation was later accomplished and announced by J. Berzelius. “Zr” is the canonical chemical symbol of zirconium. Its atomic number in the periodic table of elements is 40 with location at Period 5 and Group 4, belonging to the d-block. The relative atomic mass of zirconium is 91.224(2) Dalton, the number in the brackets indicating the uncertainty.
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Bought these and donated them to the local Community College chemistry lab.
Hope they be happy when they are to receive these gift.