File:Air-free filtration.svg
[edit] Summary
| Description |
Air-free filtration
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 (green) is required this can be collect either (i) in a glove box, or (ii) by tapping the solid back down into (blue jointed) Schlenk flask under gravity (as shown in the drawing), or (iii) adding a new Schlenk flask to the end of the filter stick which is opposite to the blue jointed Schlenk flask, and by washing a dissolving solvent through filter stick to dissolve the precipitate and thereby transfer the precipitate into the fresh Schlenk flask. The solvent can then be removed under vacuum.) |
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| Date |
7 June 2008 |
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| Source |
Re-drawn from work by Quantockgoblin |
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| Author |
Original PNG by User:Quantockgoblin, SVG adaptation by User:Slashme |
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| Permission (Reusing this file) |
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| Other versions | Image:Air-free filtration.png |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:59, 9 June 2008 |  | 1,202 × 579 (222 KB) | Slashme (talk | contribs) | (Fix amount of filtrate.) |
| 09:18, 7 June 2008 |  | 1,202 × 579 (221 KB) | Slashme (talk | contribs) | (== Summary == {{Information |Description= Air-free filtration <U>Apparatus</U>: 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) |
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