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书剑如风新虫 (著名写手)
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翻译一句话
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| 收集氯仿层并用无水硫酸钠干燥，旋蒸浓缩，再用石油醚/乙酸乙酯=5:3（V:V）柱层析提纯，得白色固体。 |
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书剑如风: 金币+30, 翻译EPI+1 2015-09-12 07:46:28
书剑如风: 金币+30, 翻译EPI+1 2015-09-12 07:46:28
| The chloroform layer was collected and dried over anhydrous sodium sulfate, followed by concentrating in a rotary evaporator, and finally was purified by column chromatography with petroleum ether/ethyl acetate at a ratio of 5:3 (V:V) to obtain a white solid. |
2楼2015-09-11 23:54:18