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佐佐木绯世qaq

新虫 (初入文坛)

[求助] 溶胶凝胶法旋涂制备钒酸铋薄膜

虫友好,我的课题是通过溶胶凝胶法制备钒酸铋溶胶或者凝胶,再通过旋涂制备一层钒酸铋薄膜,问题是参考文献中的方法将五水合硝酸铋与偏钒酸铵混合后很快就生成沉淀,即使加了柠檬酸络合后也维持不了很长时间就生成沉淀了,而且它也不是溶胶,没有粘性,根本无法进行正常旋涂
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Sere1n

新虫 (小有名气)

你的原料过期了吧,怎么会有沉淀捏,加完偏钒酸铵和柠檬酸之后都是透明的溶液
发自小木虫手机客户端
2楼2026-04-17 15:39:20
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