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7Â¥2012-09-24 19:27:00
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| You can try a TLC with pure ethanol. I used pure ethanol for colomn, it's fine. You can also try CHCl3 65: MeOH 25: H2O 4. This solvent mixture can be used for normal phase colomn. Good luck! |
9Â¥2012-09-24 20:00:42
10Â¥2012-09-24 20:30:28
11Â¥2012-09-25 14:11:41
12Â¥2012-09-25 15:13:38
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