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Is the bubble point the flash point?

2015-07-24View Original

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Is the bubble point the flash point? If not, what is the difference between the two?
Reply #22015-07-24
Bubble point: The pressure at which the first bubbles begin to separate from the liquid phase at a constant temperature, or the temperature at which the first bubbles begin to separate from the liquid phase at a constant pressure. The flash point is the temperature at which a fuel, when heated in a container of specified design and its volatile gases mix with the air near the liquid surface, reaches a concentration sufficient to be ignited by a spark. The concepts of the two are different.
Reply #32015-07-24
Are these two related? Perhaps a little, as both are related to temperature
Reply #42015-07-24
The light components are at lower levels, while the heavy components are at higher levels.
Reply #52015-07-25
The bubble point is the temperature at which bubbling occurs, while the flash point is the temperature at which ignition takes place; these are certainly different.
Reply #62015-07-25
No, they are two completely different concepts
Reply #72015-07-31
Bubbles appear only when degassing is inadequate or in emulsified products. :L:L:L:L
Reply #82015-07-31
The flash point is the temperature at which organic materials ignite for the first time when heated, with the vapor of organic substances evaporating from a calm liquid surface being ignited by an igniter; there are two methods for determining it: the open cup method and the closed cup method. The bubble point is the temperature at which a medium is heated to the point where bubbling and evaporation begin. They are two different concepts.

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