User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/10/24: Difference between revisions

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==Tasks for October 24==
==Tasks for October 24==
* To prepare packed columns
* To prepare packed columns
* To perform column chromatography on PBA solutions from [http://openwetware.org/wiki/User:Alicia_Rasines_Mazo/Notebook/CHEM-581_Experimental_Chemistry_I/2014/10/22 Oct. 22]


===Preparation of packed chemicals===
===Preparation of packed chemicals===

Revision as of 09:31, 24 October 2014

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Tasks for October 24

  • To prepare packed columns
  • To perform column chromatography on PBA solutions from Oct. 22

Preparation of packed chemicals

  • Put glass wool on bottom
  • Cover with a layer of sand
  • Add silica packing material prepared by dissolved 10 g of silica in methanol
  • Allow to settle
  • Add a layer of sand at the top to avoid disturbance of packing column



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