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Old 07-15-2019, 11:09 AM   #2
luc
Senior Member
 
Location: US

Join Date: Dec 2010
Posts: 422
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The beads should be cheaper than the columns, you do not need to use the m most expensive ones (Ampure). You can get also cheap magnet setups from ebay.

Zymo has columns for size selection, I do not know details and have never tried them:
https://www.zymoresearch.com/product...ncentrator-kit
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