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The TAG flash point tester adheres to ASTM D56 and has no stirrer, while the Abel flash point testers adheres to IP 170 and ISO 13736 and has a stirring motor so the sample is stirred during testing. The flash point is an empirical measurement rather than a fundamental physical parameter.
This allows the development of an equilibrium between the liquid and the air volume. The ignition source is directed into the cup at regular intervals with simultaneous interruption of stirring. The test concludes upon observation of a flash that spreads throughout the inside of the cup. The corresponding temperature is the liquid's flash point.
The Cleveland open-cup method is one of three main methods in chemistry for determining the flash point of a petroleum product using a Cleveland open-cup apparatus, also known as a Cleveland open-cup tester. [1] First, the test cup of the apparatus (usually brass) is filled to a certain level with a portion of the product.
The Abel test is a method developed by the British chemist Frederick Abel (1827–1902) to determine the flash point of a given sample of petroleum in order to ascertain the temperature at which it could safely be stored or used.
Most tables of material properties will only list material flash points. In general, the fire point can be assumed to be about 10 °C higher than the flash point, [2] although this is no substitute for testing if the fire point is safety critical. [2] Testing of the fire point is done by open cup apparatus. [2] [3]
Test Name Description A Abel: Frederick Abel: Used to determine the flash point of a given sample of petroleum in order to ascertain the temperature at which it could safely be used A: Allen's: Edgar Van Nuys Allen: Used to assess the quality of arterial blood flow to the hand before arterial blood sampling or some surgeries A: Apgar: Virginia ...
A flammable liquid is a liquid having a flash point of not more than 60 °C (140 °F), or any material in a liquid phase with a flash point at or above 37.8 °C (100 °F) that is intentionally heated and offered for transportation or transported at or above its flash point in a bulk packaging. The following exceptions apply:
The D5949 test method determines the pour point in a shorter period of time than manual method D97. Less operator time is required to run the test using this automatic method. Additionally, no external chiller bath or refrigeration unit is needed. D5949 is capable of determining pour point within a temperature range of −57 °C to +51 °C.