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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 ...
  • 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. ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • ASTM D482 test method for ash from petroleum products 12. Precision and Bias12.1 The precision of this test method as obtained by statistical examination of interlaboratory test results is as follows:12.1.1 Repeatability - The difference between successive tests results, obtained by the same operator with the same apparatus under constant operating conditions ...
  • ASTM D482 test method for ash from petroleum products 9. Calculation9.1 Calculate the mass of the ash as a percentage of the original samples as follows:10. Report10.1 Report the results as follows:10.2 Record the value reported as ash in accordance with Test Method D482, stating the mass of the sample taken.11. Quality Control11.1 Confirm the performance ...
  • ASTM D482 test method for ash from petroleum products 8. Procedure8.1 Heat the evaporating dish or crucible that is to be used fo the test at 700 to 800°C for a minimum of 10min. Cool to room temperature in a suitable container, and weigh to the nearest 0.1mg.NOTE 3 - The container in which the dish or crucible is cooled can be a desiccator not containing ...