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?
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2$\begingroup$ Describe in details your search or understanding failure, what may help against the question closure. As vaque general description of effort is frequently a placeholder for no effort. $\endgroup$– PoutnikJan 20 at 15:20
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$\begingroup$ Kerosene is a mixture of many compounds. It doesn't have a single well-defined boiling point, but a wide range over which different components will distill off. In this case there will be no well defined temperature for distillation nor a single boiling point. $\endgroup$– matt_blackJan 21 at 16:55
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2 Answers
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Both depend on the composition of your sample (keyword Raoult's law), as well as the external pressure.
One may argue the term boiling point leans more toward the characterization of a compound (e.g., water) with a denomination like $bp = \pu{100 ^\circ{}C} (\pu{1 atm})$.
On the other hand, distillation temperature leans more toward the (technical) application of distillations in synthesis and chemical engineering (large scale distillation, steam cracker, etc) as a unit operation. Here, temperature and pressure are set as process parameters, e.g. solvent x was removed from the reaction mixture by distillation at a pressure of $\approx \pu{10 mbar}$ and $\pu{80 ^\circ{}C}$, or to yield blends of a distillate (e.g., kerosene) for which only a range of boiling points is provided (e.g., petrol ether of $40\ldots\pu{60 ^\circ{}C}$).
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Boiling point and distillation point are similar if we take a glance but the significant difference among them..
- Boiling point
When a liquid starts converting into its gaseous state and the constant transition temperature is boiling point.
- Distillation temperature
On the other hand distillation temperature is used while distillation process where only the temperature of a substance that you want to yield is considered in a mixture with other substances.
in plain words boiling point is a characteristic property of a substance
