Tungstic acid is an important raw material for the synthesis of bismuth tungstate. Dissolve tungstic acid in a mixed solution of hydrogen peroxide and deionized water to obtain a tungstic acid solution. Add the tungstic acid solution and bismuth nitrate into the reaction kettle prepared with deionized water. Heating to 220 degrees Celsius for 24 hours and then cooling to room temperature, washing the reaction thickness solid with distilled water, and drying at 80 degrees Celsius can obtain powdered bismuth tungstate.
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