31. When magnesium burns in air, the atoms of the metal combine with the gas oxygen to produce magnesium oxide . 32. The Physicians Desk Reference online version says Bufferin is aspirin buffered with calcium carbonate, magnesium carbonate, and magnesium oxide . 33. For this purpose, it is blended with iron oxide and magnesium oxide to form a harder material known as ferrocerium. 34. I mean, carbon dioxide can't form a protective layer, unlike zinc oxide or magnesium oxide , cuz the oxide is a gas. 35. So then what does the electronic structure of compounds like zinc oxide, magnesium oxide , calcium oxide, strontium oxide actually look like? 36. They were first developed in 1867, by Frenchman Stanislas Sorel, who made cement from a combination of magnesium oxide and magnesium chloride. 37. MI cable is made by placing copper rods inside a circular copper tube and filling the intervening spaces with dry magnesium oxide powder. 38. Magnesium oxide , one of the most common because it has high magnesium content per weight, has been reported to be the least bioavailable.39. Magnesium lime contains more than 5 % magnesium oxide ( BS 6100 ) or 5-35 % magnesium carbonate ( ASTM C 59-91 ). 40. The Central Valley to the west includes the communes of Barolo and La Morra with soils higher in clay, manganese and magnesium oxide .
