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picture1_Petrol Pdf 86652 | Column Chromatography


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File: Petrol Pdf 86652 | Column Chromatography
Some Useful and Practical Tips for Flash Chromatography Yoann Coquerel February 14th 2008 Original procedure: W. Clark Still, JOC 1978, 43, 2923. Extensions: JCE 1984, 61, 645. JCE1984, 61, 649 ...

icon picture PDF Filetype PDF | Posted on 14 Sep 2022 | 2 years ago
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...Some useful and practical tips for flash chromatography yoann coquerel february th original procedure w clark still joc extensions jce selection of the eluent system arrange elution strength acoet petrol ether to place desired compound at r best evaluation f if less than is required switch polar solvent as et o or ch cl more thf aceton try meoh in once determined rf maximum reduce amount get difficult separation easy run mass silica gel times sample never a filtration density dry m used fc about height diameter ratio h d...
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