Chemical Formula: Al/Cr
Catalog Number: ST0060
CAS Number: 59195-63-0
Purity: 99.9%, 99.95%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Aluminium, also called aluminum, is a chemical element originated from the Latin name for alum, ‘alumen’ meaningbitter salt. It was first mentioned in 1825 and observed by H.C.Ã˜rsted. The isolation was later accomplished and announced by H.C.Ã˜rsted. “Al” is the canonical chemical symbol of aluminium. Its atomic number in the periodic table of elements is 13 with location at Period 3 and Group 13, belonging to the p-block. The relative atomic mass of aluminium is 26.9815386(8) Dalton, the number in the brackets indicating the uncertainty.
Chromium is a chemical element originated from the Greek ‘chroma’, meaning colour. It was early used before 1 AD and discovered by Terracotta Army. “Cr” is the canonical chemical symbol of chromium. Its atomic number in the periodic table of elements is 24 with location at Period 4 and Group 6, belonging to the d-block. The relative atomic mass of chromium is 51.9961(6) Dalton, the number in the brackets indicating the uncertainty.
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