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20 volumes of propan-2-ol, 40 volumes of dichloromethane that has been previously shaken with concentrated ammonia (shake 100 ml of dichloromethane with 30 ml of concentrated ammonia in a separating funnel; allow the layers to separate and use the lower layer) and 40 volumes of dichloromethane.

[ Last edited by boss-6533 on 2013-6-6 at 10:20 ]

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boss-6533: ½ð±Ò+5, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2013-06-06 11:36:18
boss-6533: ½ð±Ò+1 2013-06-09 11:39:16
boss-6533(phu_grassman´ú·¢): ½ð±Ò+10, thanks 2013-06-18 08:42:22
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2Â¥2013-06-06 10:48:49
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boss-6533

Ìú³æ (СÓÐÃûÆø)

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2Â¥: Originally posted by huanxiujun at 2013-06-06 10:48:49
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MOBILE PHASE
20 volumes of propan-2-ol, 40 volumes of dichloromethane that has been previously shaken with concentrated ammonia (shake 100 ml of dichloromethane with 30 ml of concentrated ammonia in a separating funnel; allow the layers to separate and use the lower layer) and 40 volumes of dichloromethane.
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3Â¥2013-06-06 11:34:33
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