Talk:Soxhlet extractor

Frequent misspellings include Soxhelet and Soxthlet. A web search will find entries under either misspelled name. Szills 16:17, 14 August 2006 (UTC) Mike

I have also seen it spelled Soxhlett in a recent paper.--128.61.123.82 01:48, 5 December 2006 (UTC)


 * I have added redirects to Soxhlet extractor in all cases. --Quantockgoblin 14:34, 5 December 2006 (UTC)
 * More classical set up would never use a straight condenser because so much heat is applied to the pot - usually a friedrich (sp?, pic below) or similar with a more tortuous path to more efficiently condense the hot vapor. Furthermore, since soxhlets are so tall, a compact, more efficient condensor is also called for. The usual disaster for Soxhlets is that the pot goes dry.  At least in my experience.--Smokefoot 19:08, 11 November 2007 (UTC)


 * Furthermore (1.5 years after my snippy comment above): one would never use a flask with a volume far, far less than the volume specified for the extractor. But this is what the picture shows.  So the picture is twice flawed: the condenser and the receiver.  WE is or is not in the business of serving as a manual, depending on the editor, but we are definitely not in the business of giving bad advice.--Smokefoot (talk) 23:11, 7 May 2008 (UTC)
 * Smokefoot I agree with the comment about the size of the still pot in the image used in this article. I would even go so far as to say the siphon effect would not work, unless the soxhlet chamber was pre-filled before heating, and then the apparatus would be dangerously over filled! However, I’m not fully convinced about the condenser comment, as the soxhlet itself acts as an air condenser, and I have used a liebigs condenser to finish the job (also see photo), but I agree it would be better practice to use the most efficient condenser possible. When I get time, I will increase the size of the still pot - Quantockgoblin (talk) 00:08, 8 May 2008 (UTC)
 * Image replaced, I think this fixes the biggest problem with the image - also .svg now -- Quantockgoblin (talk) 22:45, 24 May 2008 (UTC)

Valid reference for Kumagawa extractor ?
I have only found the following references. I don't know if they qualify for valid reference because of WP:LINKSTOAVOID ? These are 3 web pages on commercial sites that primarily exist to sell products. The same question applies to the last Soxhlet extractor which points to the commercial site of Buchi. --MyopsToo (talk) 20:35, 13 March 2011 (UTC)

Condenser In and Out
Is it just me or does the "in" and "out" arrows on the condenser seem backwards? I have always setup them the other way around. You want the coldest part to be the last part of the condenser, to ensure all vapors get condensed and go back into the flask. This means the cold water should come in the opposite side to the hot vapor side. Its a basic principle of a counter-current heat exchanger... the temperature difference is maximized at all points. 174.30.58.189 (talk) 07:41, 24 April 2012 (UTC)
 * you have fill the condenser against gravity, only then you can control flow or maintain a minimal water flow. V8rik (talk) 18:33, 24 April 2012 (UTC)

External links modified
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I have just added archive links to 1 one external link on Soxhlet extractor. Please take a moment to review my edit. If necessary, add after the link to keep me from modifying it. Alternatively, you can add to keep me off the page altogether. I made the following changes:
 * Added archive https://web.archive.org/20100527170151/http://www.campbell.edu/faculty/jung/soxhlet.ppt to http://www.campbell.edu/faculty/jung/soxhlet.ppt

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