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soma
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[*] posted on 5-7-2014 at 09:33
percolating ether through sieve

I read that a good method of drying ether is to "percolate" it through a column of molecular sieve. Does that mean to distill it upwards through a column of sieve, or to drip it down the column as is done in chromatography?

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Boffis
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[*] posted on 5-7-2014 at 14:53


Downwards as in chromatography
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