File:Air-free filtration.png

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Summary

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Description

Air-free filtration

Apparatus:

a = receiving Schlenk flask (pink joint)

b = glass filter sinter/frit

c = filter stick

d = sealing bulb

e = suspension containing Schlenk flask (blue joint)

f = stopper

Method

1 = Dry apparatus and place under vacuum.

2 = Place filter stick and receiving flask (pink joint) on suspension containing flask (blue joint). Solution (blue) precipitate (green).

3 = Invert kit, light vacuum applied to lower flask, top flask sealed. Liquid passes through sinter. Precipitate trapped on sinter. Optionally, the precipitate can be washed with fresh solvent.

4 = Filtration complete, remove vacuum and fill with inert gas from top Schlenk flask

5 = Remove filter stick to obtain filtered solution (blue).

(Note if precipitate is required this can be collect either in a glove box or by washing a solvent through filter stick that will dissolve precipitate.)
Source Own work
Author Quantockgoblin

Licensing

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current05:11, 21 March 2008Thumbnail for version as of 05:11, 21 March 20081,185 × 561 (61 KB)Quantockgoblin~commonswiki (talk | contribs)== Summary == {{Information |Description= Air-free filtration <U>Apparatus</U>: a = receiving Schlenk flask (pink joint) b = filter stick c = glass filter sinter/frit d = sealing bulb e = suspension containing Schlenk flask (blue joint) f
04:53, 21 March 2008Thumbnail for version as of 04:53, 21 March 20081,200 × 561 (59 KB)Quantockgoblin~commonswiki (talk | contribs)== Summary == {{Information |Description= Air-free filtration <U>Apparatus</U>: a = receiving Schlenk flask (pink joint) b = filter stick c = glass filter sinter/frit d = sealing bulb e = suspension containing Schlenk flask (blue joint) f
04:16, 21 March 2008Thumbnail for version as of 04:16, 21 March 20081,151 × 561 (52 KB)Quantockgoblin~commonswiki (talk | contribs){{Information |Description= Air-free filtration a = receiving flask b = filter stick c = glass sinter (frit) d = sealing bulb e = stopper f = suspension containing flask 1 = Dry apparatus and place under vacuum 2 = 3 = 4 5 |Source=self-ma

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