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關(guān)注：1
2013-05-23 12:21
求翻譯：將溶劑用旋轉(zhuǎn)蒸發(fā)儀抽凈后，過柱分離，展開劑正己烷：乙酸乙酯=3:1，抽凈展開劑后稱量，得BMDPE g, 收率%.是什么意思？ 待解決
 懸賞分：1
- 離問題結(jié)束還有
將溶劑用旋轉(zhuǎn)蒸發(fā)儀抽凈后，過柱分離，展開劑正己烷：乙酸乙酯=3:1，抽凈展開劑后稱量，得BMDPE g, 收率%.
問題補充： |
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2013-05-23 12:21:38
The solvent rotary evaporator pumping net, after column separation, solvent hexane: ethyl acetate = 3:1, after weighing the pumping net developing agent, the get bmdpe g, yield%.
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2013-05-23 12:23:18
By rotating the solvent evaporates, the net, after the POST, expand, is hexane: ethyl acetate=3:1, the net amount after launch, BMDPE G, %.
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2013-05-23 12:24:58
Pulls out the solvent after the revolving evaporation meter only, crosses the column separation, the developing solvent normal hexane: Ethyl acetate =3: 1, after pulls out only the developing solvent the weighing, results in BMDPE g, receives rate %.
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2013-05-23 12:26:38
Solvent extraction with rotary evaporation instrument after the separation column, expand Agent n-hexane: ethyl acetate =3:1, net after weighing, BMDPE g, charge%.
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2013-05-23 12:28:18
正在翻譯，請等待...
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