6. sintered materials, polymer a new League is already present in the object's porous silica porous nano level. Leading synthetic substances obtained 6.1 put in cups made from alumina and burnt in the furnace tube of temperature-programmable under argon gas flow rate of 30 ml/min by putting the substance into the furnace at room temperature before 1. Hours to get rid of gas oxygen inside the furnace remove all. After that, add 6.2 temperature 200° C until, with a rate of 1° C/min then 200° C temperature constant at 2 hours. A temperature increase then 300 6.3° C, with the same rate, then at 300° C temperature for 2 hours. 6.4 temperature increase after that to 800° C with a rate of 10° C/min and then at 800° C temperature for 2 hours.
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