Conversion to magnesium chloride is achieved by heating the oxide, mixed with carbon, in a stream of chlorine at a high temperature in an electric furnace (Figure 1).Figure 1 Illustrating the production of magnesium chloride from magnesium oxide.ses of magnesium. Magnesium is the third most used metal in construction (after iron and aluminium). Magnesium alloys, typically containing over 90% magnesium, have a very low density, comparatively high strength and excellent machinability.
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substantial. 1  of or having substance. 2  real; actual; true; not imaginary. 3  strong; solid; firm; stout. 4  considerable; ample; large. 5  of considerable worth or value; important. 6  having property or possessions; wealthy. 7  with regard to essential elements; in substance. 8  Philos. of, or having the nature of, substance.