Organic 2 Review Problem 54

Organic 2 Review Problem 54 - 38 PRACTICAL ORGANIC...

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38 PRACTICAL ORGANIC CHEMISTRY The extractor consists of a glass cylinder A, terminating at the base in the open tube B. Fused within the top of A as shown is another tube C, having a small hole D blow r n in the side: a fine glass tube leads from the base of C, rises about two-thirds of the height of the cylinder to E, and then returns past F into the open tube B. / The crude organic material is placed in a porous thimble G (made of tough filter-paper), and the latter placed as shown within the inner tube C. The apparatus is then fitted below to a bolt-head flask H containing the requisite solvent, and above to a reflux water-condenser J. The solvent in H is then gently boiled. The vapour passes up B, through the annular space between the tubes C and A, and so through the orifice D into the reflux condenser above. The condensed solvent falls down into the thimble G, and slowly fills the body of C, being meanwhile heated by the ascending mantle of hot vapour in the annular space outside. When this condensed liquid
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This note was uploaded on 09/19/2011 for the course CHM 2211 taught by Professor Castalleano during the Fall '06 term at University of Florida.

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