ประโยคภาษาจีน : 中文句子 |
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fǎn yìng 反应 hòu 后 yòng 用 èr lǜ jiǎ wán 二氯甲烷 cuì qǔ 萃取 wú shuǐ liú suān nà 无水硫酸钠 gān zào 干燥 chú qù 除去 róng jì 溶剂 hòu 后 dé dào 得到 chún jìng 纯净 chǎn wù 产物 |
After reaction, the purified product was obtained through extraction with dichloromethane, drying with anhydrous sodium sulfate and desolventizing. |