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ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by
ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry14. Report14.1 Report silicon concentration of the test sample calculated from Section 13 using units of mg/kg, rounded to the nearest 0.1 mg/kg for concentrations ...
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ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by
ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry12. Procedure12.1 When using drift correction, prior to analyzing samples on a given day, analyze the drift-monitor sample measured at the time ofcalibration. ...
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ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by
ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry9. Sampling and Sample Handling9.1 Sample fuel according to the procedures in Practices D4057 or D4177.9.2 Use the utmost care in sampling and handling gasoline ...
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ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by
ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry6. Apparatus6.1 Monochromatic Wavelength Dispersive X-ray Fluorescence (MWDXRF) Spectrometer, equipped for X-ray detection at 0.713 nm (7.13 Å). Any spectrometer ...
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ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by
ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry3. Summary of Test Method3.1 A monochromatic X-ray beam with a wavelength suitable to excite the K-shell electrons of silicon is focused onto a test specimen ...
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ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by
ASTM D7757 Standard Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry1. Scope1.1 This test method covers the determination of total silicon by monochromatic, wavelength-dispersive X-ray fluorescence (MWDXRF) spectrometry in ...
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RUST PREVENTING CHARACTERISTICS OF STEAM TURBINE OIL: ASTM D3603
RUST PREVENTING CHARACTERISTICS OF STEAM TURBINE OIL: ASTM D3603EXPLANATIONHorizontal metal surfaces, on which water droplets tend to be retained, are more prone to rusting and corrosion than vertical or sloping surfaces. This test method is therefore more discriminating than Test Method ASTM D665 (Procedure ...
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RUST PREVENTING CHARACTERISTIC OF MINERAL OILS: ASTM D665
RUST PREVENTING CHARACTERISTIC OF MINERAL OILS: ASTM D665(Equivalent Test Methods: IP 135, ISO 7120, DIN 51585, JIS K 2510, and AFNOR T60-151)EXPLANATIONIn many instances, such as in the gears of a steam turbine, water can become mixed with the lubricant, and rusting of ferrous parts can occur. This ...
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RUST PREVENTIVE CHARACTERISTICS OF ENGINE OILS: ASTM D6557
RUST PREVENTIVE CHARACTERISTICS OF ENGINE OILS: ASTM D6557EXPLANATIONThis bench test method was designed as a replacement for Test Method ASTM D5844 which was designed to measure the ability of an engine oil to protect valve train components against rusting or corrosion under low temperature, short trip ...
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ROLL STABILITY OF LUBRICATING GREASES: ASTM D1831
ROLL STABILITY OF LUBRICATING GREASES: ASTM D1831EXPLANATIONAlthough this test is widely used for specification purposes, the significance of roll stability test has not been determined. The changes in worked penetration of a grease after rolling are believed to be a measure of its shear stability, under ...
