lab3 - Lab 3: Distillation By Alexandra Linder Lab...

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Lab 3: Distillation By Alexandra Linder Lab Instructor: Hoang Le September 30, 2009
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Purpose : To determine which method of distillation, simple or various kinds of fractional, is most effective at separating the components in mixtures of methyl acetate and ethyl acetate, methyl and n-propyl acetate and methyl and n-butyl acetate. Results Fractional Distillation with carborundum chips of methyl and n-butyl acetate (distillation f). Boiling point of methyl acetate: 56.9°C 1 Boiling point of n-butyl acetate: 126°C 2 Discussion For the distillation of methyl and ethyl acetates, the fractional distillation yielded purer compound based on refractive indexes 3 . All the students who did fractional distillation got a more accurate refractive index for the ethyl than simple distillation (lit:1.3720) 4 . For example, using simple distillation, Alvin Kumarga only got a refractive index of 1.3675, but while using carborundum chips, An Huang got 1.370. Of the methods of fractional distillation, the
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lab3 - Lab 3: Distillation By Alexandra Linder Lab...

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