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In a Nut Shell

  • For any flammable liquid, its vapor pressure maximizes with increase in temperature.
  • Flash point is the lowest point at which the vapors of a liquid ignite but stops on removal of an ignition source.
  • Fire Point or ignition point is basically a point above the flash point at which burning will continue on removal of the ignition source
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12y ago
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10y ago

Smoke point it is used to determine the burning quality of petroleum product while Flash point it is used to know the temperature at which petroleum fire out break.

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Q: What is the definition for flash point and smoke point?
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Smoke point and flash point what can happend to oil?

Smoke point: reaching this temperature the oil support a thermal dissociation (and degradation) process: formation of glycerol and fatty acids, acrolein, etc. A great smoke point is a quality for an edible oil. Flash point: temperature of combustion; the flash point is of course greater than the smoke point.


Will peanut oil burn?

The flash point is the temperature at which a liquid gives off an ignitable vapor. It is NOT the smoke point, nor the ignition point. Unrefined peanut oil has a smoke point (temperature at which it begins to break down, give off smoke) of 320 degrees Fahrenheit, while refined peanut oil has a smoke point of 448 degrees Fahrenheit. The ignition point of both oils is 700 degrees Fahrenheit, and the flash point 600 degrees Fahrenheit.


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At room temperature carbon monoxide is a gas. It boils at around minus 191 deg C. By definition flash point is the lowest temperature a liquid material can vaporize to form an ignitable mixture in air. So probably the answer is the boiling point.


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