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Fractional Distillation


Ladeira
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Hey guys

 

I'm looking for a nice drawing of a lab device for fractional distillation at low pressure with reflux ratio. I just can't find anywhere a reflux associated to a fractional distillation. I've seen Perkin triangle but I don't know how it gives me reflux ratio.

 

Thank you!

 

Antonio.

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Yes I tried! But I could only find it now.

 

I think I can use a cold finger (see how it provokes the condensation of part of the vapor).

 

10731912.jpg

 

I mean, the usual fractional distillation (image below) wouldn't give me the reflux ratio I needed.

 

destilacao_fracionada_aparelho.gif

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