ประโยคภาษาจีน : 中文句子 |
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cū 粗 chǎn wù 产物 jīng 经 liú suān tóng 硫酸铜 róng yè 溶液 cuì qǔ 萃取 guī jiāo 硅胶 guò lǜ 过滤 chóng jié jīng 重结晶 zhēn kōng 真空 shēng huá 升华 jìn xíng 进行 fēn lí 分离 tí chún 提纯 dé dào 得到 chún 纯 chǎn pǐn 产品 |
The products obtained were purified by extraction with copper sulfate solution, filtration through silica gel, recrystallization and vacuum sublimation. |