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ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Flu
ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Fluorescence10. Procedure10.1 Measure the intensity of the drift correction monitor(s) used in 9.7. The value determined corresponds to B in Eq 5, Section 11. This measurement may not be required on high stability instrumentation. ...
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ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Flu
ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Fluorescence8. Sampling and Specimen Preparation8.1 Samples shall be taken in accordance with the instructions in Practice D4057, D4177, D5842, or D5854, where appropriate.8.2 Clean and dry reusable cells before use. Disposable ...
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ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Flu
ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Fluorescence6. Apparatus6.1 Wavelength Dispersive X-Ray Fluorescence Spectrometer (WDXRF), equipped for soft ray detection in the 5.37 Å range. For optimum sensitivity to sulfur, equip the instrument with the following:6.1.2 ...
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ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Flu
ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Fluorescence3. Summary of Test Method3.1 The sample is placed in the X-ray beam, and the intensity of the sulfur Ka line at 5.373 Å is measured. The intensity of a corrected background, measured at a recommended wavelength ...
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ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Flu
ASTM D6334 Test Method for Sulfur in Gasoline by Wavelength Dispersive X-Ray Fluorescence1. Scope1.1 This test method covers the quantitative determination of total sulfur in gasoline and gasoline-oxygenate blends. The Pooled Limit of Quantitation (PLOQ) was determined to be 15 mg/kg. Therefore, the ...
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ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine
ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test16. Report16.1 Report the filter deposit mass, the rod deposit mass, and the total deposit mass, all to the nearest 0.1 mg.17. Precision17.1 Interlaboratory study test results are shown in Table 2.17.2 ...
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ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine
ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test12. Test Completion12.1 The instrument will indicate that the test is finished when MAN (for manual) flashes on the control display. Test time is 1 h, 54 min. When the test is complete, turn off the main ...
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ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine
ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test11. Procedure11.1 When the reaction chamber is 100 +/-5°C, pour the test sample into the reaction chamber. Using the speed dial on the right side of the instrument, set the stir bar speed to 50. The sample ...
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ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine
ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test7. Calibration7.1 The TEOST instrument is calibrated by performing the procedure found in Section 8-16 for both a low and a high deposit reference oil. The results shall be within the repeatability limits ...
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ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine
ASTM D6335 Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test5. Apparatus5.1 Thermo-oxidation engine oil simulation test (TEOST) test instrument.5.2 Balance, capable of weighing to the nearest 0.1 mg.5.3 Vacuum source, hand held, floor model, or house vacuum.5.4 ...