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zhaodandan.

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[求助] 冷冻干燥法冻干溶胶

大家好,我在用溶胶凝胶法制备六铝酸盐催化剂。现在得到溶胶以后,想用冷冻干燥法使其变为凝胶。存在的溶剂是少量的水和环己烷。请问我如何确定冷冻干燥时参数的设置,比如温度,压力等?我需要准备那些知识点等?查了好久,不太明白,希望有了解的大神帮忙解答一下,万分感谢!
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