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Indium sesquioxide powder and preparation method of target material of indium sesquioxide powder
The invention discloses indium trioxide powder and a preparation method of a target material of the indium trioxide powder, and belongs to the technical field of materials. The preparation method of the indium trioxide powder comprises the following steps: heating and melting solid indium, and dropwise adding the molten solid indium into pure water to obtain an indium flower sheet; dissolving the indium flower sheet in a nitric acid solution to obtain an indium nitrate solution; ammonia water is dropwise added into the indium nitrate solution, the PH is adjusted to be 9-10, and indium hydroxide precipitates are obtained; and washing, drying and calcining the indium hydroxide precipitate to obtain the indium trioxide powder. The preparation method of the indium trioxide powder and the target material thereof is an efficient, environment-friendly, energy-saving and low-cost indium oxide production process, the purity of the prepared indium trioxide is greater than 99.99%, and the density of the target material is greater than 95%.
本发明公开了一种三氧化二铟粉末及其靶材的制备方法，属于材料技术领域。本发明的三氧化二铟粉末的制备方法包括以下步骤：将固体铟加热熔融，滴入纯水中，得铟花片；将铟花片溶于硝酸溶液中，得到硝酸铟溶液；将氨水滴加到硝酸铟溶液中，调节PH为9～10，得氢氧化铟沉淀；将氢氧化铟沉淀洗涤、干燥、煅烧，得所述三氧化二铟粉末。本发明的三氧化二铟粉末及其靶材的制备方法是一种高效、环保、节能、低成本的氧化铟生产工艺，制备的三氧化二铟纯度大于99.99％，靶材密度大于95％。
Indium sesquioxide powder and preparation method of target material of indium sesquioxide powder
The invention discloses indium trioxide powder and a preparation method of a target material of the indium trioxide powder, and belongs to the technical field of materials. The preparation method of the indium trioxide powder comprises the following steps: heating and melting solid indium, and dropwise adding the molten solid indium into pure water to obtain an indium flower sheet; dissolving the indium flower sheet in a nitric acid solution to obtain an indium nitrate solution; ammonia water is dropwise added into the indium nitrate solution, the PH is adjusted to be 9-10, and indium hydroxide precipitates are obtained; and washing, drying and calcining the indium hydroxide precipitate to obtain the indium trioxide powder. The preparation method of the indium trioxide powder and the target material thereof is an efficient, environment-friendly, energy-saving and low-cost indium oxide production process, the purity of the prepared indium trioxide is greater than 99.99%, and the density of the target material is greater than 95%.
本发明公开了一种三氧化二铟粉末及其靶材的制备方法，属于材料技术领域。本发明的三氧化二铟粉末的制备方法包括以下步骤：将固体铟加热熔融，滴入纯水中，得铟花片；将铟花片溶于硝酸溶液中，得到硝酸铟溶液；将氨水滴加到硝酸铟溶液中，调节PH为9～10，得氢氧化铟沉淀；将氢氧化铟沉淀洗涤、干燥、煅烧，得所述三氧化二铟粉末。本发明的三氧化二铟粉末及其靶材的制备方法是一种高效、环保、节能、低成本的氧化铟生产工艺，制备的三氧化二铟纯度大于99.99％，靶材密度大于95％。
Indium sesquioxide powder and preparation method of target material of indium sesquioxide powder
一种三氧化二铟粉末及其靶材的制备方法
YU FANG (author) / ZHONG XIAOHUA (author) / WEN CHONGBIN (author) / TONG PEIYUN (author)
2022-03-25
Patent
Electronic Resource
Chinese
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