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ASTM D92 for flash and fire points by Cleveland open cup tester
12. Calculations12.1 Observe and record the ambient barometric pressure (see Note 20) at the time of the test. When the pressure differs from 101.3 kPa (760 mm Hg), correct the flash point or fire point, or both, as follows:NOTE 20 - The barometric pressure used in this calculation is the ambient pressure ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
11. Procedure11.1 Manual Apparatus11.1.1 Fill the test cup with the sample so that the top of the meniscus of the test specimen is level with the filling mark, and position the test cup on the center of the heating plate. The temperature of the test cup and the sample shall not exceed 56°C (100°F) ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
10. Calibration and Standardization10.1 Adjust the automated flash point detection system, when used, according to the manufacturer's instructions.10.2 Calibrate the temperature measuring device according to the manufacturer's instructions.10.3 Verify the performance of the manual apparatus or the automated ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
9. Preparation of Apparatus9.1 Support the manual or automated apparatus on a level steady surface, such as a table.9.2 Tests are to be performed in a draft-free room or compartment. Tests made in a laboratory hood or in any location where drafts occur are not to be relied upon.NOTE 6 - A draft shield ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
7. Reagents and Materials7.1 Cleaning Solvents - Use suitable technical grade solvent capable of cleaning out the test specimen from the test cup and drying the test cup. Some commonly used solvents are toluene and acetone. (Warning - Toluene, acetone, and many solvents are flammable. Health hazard. ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
6. Apparatus6.1 Cleveland Open Cup Apparatus(manual) - This apparatus consists of the test cup, heating plate, test flame applicator, heater, and supports described in detail in the Annex A1. The assembled manual apparatus, heating plate, and cup are illustrated in Figs.1-3, respectively. Dimensions ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
4. Summary of Test Method4.1 Approximately 70 mL of test specimen is filled into a test cup. The temperature of the test specimen is increased rapidly at first and then at a slowerc onstant rate as the flash point is approached. At specified intervals a test flame is passed across the cup. The flash ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
3. Terminology3.1 Definitions:3.1.1 dynamic, adj - in petroleum products, the condition where the vapor above the test specimen and the test specimen are not in temperature equilibrium at the time that the ignition source is applied.3.1.1.1 Discussion - This is primarily caused by the heating of the ...
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ASTM D92 for flash and fire points by Cleveland open cup tester
ASTM D92 for flash and fire points by Cleveland open cup tester1. Scope1.1 This test method describes the determination of the flash point and fire point of petroleum products by a manual Cleveland open cup apparatus or an automated Cleveland open cup apparatus.NOTE 1 - The precisions for fire point ...
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Ash content test - Quality Control
1.1 Confirm the performance of the instrument or the test procedure by analyzing a QC sample.1.2 Prior to monitoring the measurement process, the user of the test method needs to determine the average value and control limits of the QC sample (see Practices D6299 and D6792 and MNL 7).1.3 Record the QC ...
