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You can leave the upper layer in the separatory funnel if this layer contains the compound of interest. If the compound of interest is in the lower layer, the upper layer must be removed from the separatory funnel and replaced with the drained-off lower layer, to which fresh solvent is then added.
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orgchem.colorado.edu/hndbksupport/ext/extprocedure.html
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The separatory funnel is used primarily in extraction procedures. The sloping sides are designed to make it easy to distinguish layers. The stopcock-controlled outlet on the bottom is designed to allow the liquid to be drained out of the funnel.
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orgchem.colorado.edu/equipment/glassware/sepfun.html
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It is imperative that it fits tightly, so that the solution does not leak out when the separatory funnel is inverted. If a ground glass joint does not fit perfectly, a minute amount of grease is applied to the upper part of the joint to get a better seal.
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www.chem.ucla.edu/~bacher/General/30BL/tips/Sepfunnel.h...
www.chem.ucla.edu/~bacher/General/30BL/tips/Sepfunnel.html
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Hutchinson encyclopedia article about Separatory funnel. Separatory funnel. Information about Separatory funnel in the Hutchinson encyclopedia. ... (redirected from Separatory funnel)
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encyclopedia.farlex.com/Separatory+funnel
encyclopedia.farlex.com/Separatory+funnel
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A separatory funnel is useful for performing extractions. Extraction is one way of purifying a substance. In an extraction, a solute is transferred from one solvent to another. One type of extraction involves removing polar solutes from an organic solvent that is immiscible with water.
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www.uwplatt.edu/chemep/chem/chemscape/labdocs/catofp/mi...
www.uwplatt.edu/chemep/chem/chemscape/labdocs/catofp/mixpour/sepfunl/sepfunl.htm
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Use a glass separatory funnel to dispense oils, salad dressings or your favorite drinks. Indispensible for biodiesel extraction and refining. ... 55403 Funnel, separatory 500ml Each 52.00...
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www.indigo.com/glass/separatory-filter-funnels.html
www.indigo.com/glass/separatory-filter-funnels.html
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CEM 221; Organic Chemistry 1 ... Using a separatory funnel ... This video was produced by Wake Forest Universityand adapted for Flash by Dan Berger...
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www.bluffton.edu/~bergerd/classes/CEM221/Handouts/sep-f...
www.bluffton.edu/~bergerd/classes/CEM221/Handouts/sep-funnel.html
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From Wikimedia Commons, the free media repository ... Media in category "Separatory funnel" ... Separatory funnel-tag.svg...
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commons.wikimedia.org/wiki/Category:Separatory_funnel
commons.wikimedia.org/wiki/Category:Separatory_funnel
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