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Magnesium is a chemical element with symbol Mg and atomic number 12. It is a shiny gray solid.
M 1205 (OTTO) Magnesium (ribbon), 99%+ Cas 7439-95-4 - used in order: aluminium alloys, die-casting (alloyed with zinc), removing sulfur in the production of iron and steel, and the production of titanium in the Kroll process.