Fractional Distillation and Gas Chromatography

Fractional Distillation and Gas Chromatography - Fractional...

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Fractional Distillation and Gas Chromatography: Separation of Hexanes and Toluene Chris Pulliam, Joe Mista Dates Performed: 9/1/2009 - 9/2/2009 Date Submitted: 9/8/2009 Purpose : To examine fractional distillation using a Hickman microscale distillation apparatus and analysis by gas chromatography to determine their purity. Reaction : Hexane: Toluene: C 6 H 14 C 7 H 8
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Compound MW Amount Bp C o D n D Hexane 86.18 1.0 mL 69 0.66 1.3751 Toluene 92.15 1.0 mL 111 0.87 1.4961 Procedure (brief) : 1) Assemble Hickman distillation apparatus 2) Add the 1 mL of Hexane and 1 mL Toluene to the conical vial 3) Heat slowly once boiling begins (2 degrees C per min) 4) Remove the three fractions and put them in three seperate vial 5) Redistill the first fraction and collect the condensed liquid in a clean vial 6) Run GC and RI on the samples 7) Determine boiling point of the samples. Calculations/Data: First Distillation Fraction Inside Temperature ( o C) Outside Temperature ( o C) 1 st Fraction 38 93 2 nd Fraction 58 150 3 rd Fraction 58 150 Second Distillation (1 st Fraction)
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This note was uploaded on 10/21/2009 for the course MA 16200-018 taught by Professor Davidcatlin during the Spring '09 term at Purdue University-West Lafayette.

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Fractional Distillation and Gas Chromatography - Fractional...

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