Active magnesium oxide and AR magnesium oxide both belong to magnesium oxide classification. And they have high specific surface area, that is to say they are highly porous, have a strong adsorption capacity and high chemical reactivity. Before is the relation of them. But they are different in preparation technology, chemical property and application fields.
The preparation technology of active magnesium oxide is calcined magnesite stone in the reflection kiln gas, to control calcination technology, process, coal and production equipment. Control the temperature in a certain range, loose ore internal structure, and the big spaces between the crystals change-and the pore, make the magnesium oxide has specific activity.
AR magnesium oxide generally has the high content, the gas phase method is its preparation process. That means making high purity metal magnesium and oxygen generate into crystal nucleus, then make particles continue to grow and make into high purity magnesium oxide powder. AR magnesium oxide is mainly used for reagents and other chemical industry or intermediates.
AR magnesium oxide refers to the content(purity) of MgO in reagent can reach the standard. Active magnesium oxide means has strong adsorption and chemical reactivity. They are two different definitions.
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