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2 votes
2 answers
305 views

How does steam distillation work to extract a substance from a mixture, below its boiling point?

This is a small confusion I have regarding steam distillation. Let us consider a sample of water mixed with an organic compound that is insoluble in water. Let us also consider that the boiling point ...
donthababakka's user avatar
-1 votes
2 answers
349 views

What is the difference between distillation temperature and boiling point?

Is there a difference between the distillation temperature and the boiling point of a fluid, in my case kerosene? And if there is, what is the difference?
VRK's user avatar
  • 109
0 votes
0 answers
105 views

Distillation of water and propanone

I distilled a solution consisting of propanone and water and recorded the boiling point of propanone depending on different concentrations. I thought that the boiling point elevation would be the ...
Jay K's user avatar
  • 19
-1 votes
1 answer
541 views

Why does the ethanol-water mixture not burn during fractional distillation?

Ethanol-water solution has a flash point lower than ethanol's boiling point in almost all cases. So how is the fractional distillation of the solution possible? Why doesn't the solution ignite? Is it ...
Alpha Delta's user avatar
1 vote
1 answer
4k views

Why is the temperature graph sigmoidal in simple distillation of components with very different bps?

I'm writing an organic chemistry lab report on distillation and I thought I understood this, but the more I look at my lab textbook, I realize I don't. My textbook 1 explains that the temperature of ...
Katie's user avatar
  • 289
0 votes
0 answers
2k views

When exactly does the first drop of distillate appear in a distillation?

The below image (source: here) is from a fractional distillation of a mixture of two liquids, one with a boiling point of 69 degrees celsius and the other with a boiling point of 98 degrees celsius. ...
Cyclopropane's user avatar
  • 2,109
0 votes
1 answer
2k views

Is 99% Isopropyl Alcohol sold in stores really 99%?

My understanding is that an azeotropic mixture of isopropanol and water is 91%. This makes sense as to why there are so many brands of rubbing alcohol sold at 91%. There are also some sold as 99%, ...
Sdarb's user avatar
  • 127
10 votes
2 answers
2k views

Enrichment of D2O

The Wikipedia page for deuterium oxide (heavy water) says that its boiling point is 374.5 K and the one for ordinary water is 373.13 K. Is there a way of distillation which we can use to enrich ...
Santosh Kumar's user avatar
1 vote
1 answer
380 views

How to separate benzyl alcohol and meta-cresol

Benzyl alcohol and meta-cresol boiling point's are not so different, the fractional distillation will be very difficult, what can i do for separate this two composites ?
Okano's user avatar
  • 453
-1 votes
2 answers
3k views

boiling point and distillation relation

i need help with the fractional distillation method of a couple of substances at least more than two substances , just like air actually what am i looking for is that why do substances in air with a ...
faiz iqbal's user avatar