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Methods of Purification - ------ GCE Study … What is a pure substance? A pure ... What is purification? It is the process of separating mixtures into ... magnesium hydroxide 3. Name a process that is used to ... Process for producing highly pure magnesium … A process for producing highly pure magnesium hydroxide, which comprises reacting magnesium hydroxide starting material … Patent US3311544 - Process for the purification … Process for the purification of ethylene glycol by treatment with magnesium ... additional amounts of the pure glycol. The purification procedure of the ...    Read More