| Summary: | 碩士 === 中國文化大學 === 應用化學研究所 === 96 === In recent years tungstic acid were studied very common and tungstic acid were used widespread. In this work, we investigated the changes in morphology and structure in the tungsten oxide of the high-temperature sintering. The experiment has use the high temperature sintering tungstic acid powder that to process tungsten oxide powder and we have use TG to discuss tungstic acid and tungsten oxide between the association. In the sintering temperature above that is choice of 300 ℃, 400 ℃, 500 ℃, 600 ℃ to compare, then we have use the FTIR, XRD and SEM to conduct research different temperature of tungsten oxide structural change.
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