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  • ASTM D3348 Rapid Field Test for Trace Lead in Unleaded Gasoline ASTM D3348 Rapid Field Test for Trace Lead in Unleaded GasolineASTM D3348 Standard Test Method for Rapid Field Test for Trace Lead in Unleaded Gasoline (Colorimetric Method)8. Calibration8.1 Prepare a calibration curve as follows, using at least four gasoline standards of known lead content that cover ...
  • ASTM D3348 Rapid Field Test for Trace Lead in Unleaded Gasoline ASTM D3348 Rapid Field Test for Trace Lead in Unleaded GasolineASTM D3348 Standard Test Method for Rapid Field Test for Trace Lead in Unleaded Gasoline (Colorimetric Method)6. Apparatus6.1 Ultraviolet Lamp, long wavelength, 3660 Å, placed in a standard 4-W fluorescent fixture.NOTE 3 - A 3-min electric ...
  • ASTM D3348 Rapid Field Test for Trace Lead in Unleaded Gasoline ASTM D3348 Rapid Field Test for Trace Lead in Unleaded GasolineASTM D3348 Standard Test Method for Rapid Field Test for Trace Lead in Unleaded Gasoline (Colorimetric Method)3. Summary of Test Method3.1 The gasoline is treated with iodine and tetraethyl ammonium chloride in chloroform and subjected to ...
  • ASTM D3348 Rapid Field Test for Trace Lead in Unleaded Gasoline ASTM D3348 Rapid Field Test for Trace Lead in Unleaded GasolineASTM D3348 Standard Test Method for Rapid Field Test for Trace Lead in Unleaded Gasoline (Colorimetric Method)1. Scope1.1 This test method is intended for use in the field by nontechnical people for the quantitative measurement of lead in ...
  • ASTM D5183 Determination of the Coefficient of Friction of Lubricants ASTM D5183 Determination of the Coefficient of Friction of LubricantsASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine12. Report12.1 Report the following information:12.1.1 Average wear-in scar, mm,12.1.2 Coefficient of ...
  • ASTM D5183 Determination of the Coefficient of Friction of Lubricants ASTM D5183 Determination of the Coefficient of Friction of LubricantsASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine10. Procedure10.1 Thoroughly clean four test balls, clamping parts for upper and lower balls and the ...
  • ASTM D5183 Determination of the Coefficient of Friction of Lubricants ASTM D5183 Determination of the Coefficient of Friction of LubricantsASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine8. Preparation of Apparatus8.1 Set up the drive of the machine to obtain a spindle speed of 600 +/- ...
  • ASTM D5183 Determination of the Coefficient of Friction of Lubricants ASTM D5183 Determination of the Coefficient of Friction of LubricantsASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine6. Apparatus6.1 Four-Ball Test Machine - See Fig. 1, Fig. 2, and Fig. 3.NOTE 1 - It is important to ...
  • ASTM D5183 Determination of the Coefficient of Friction of Lubricants ASTM D5183 Determination of the Coefficient of Friction of LubricantsASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine4. Summary of Test Method4.1 Three 12.7 mm (0.5 in.) diameter steel balls are clamped together and covered ...
  • ASTM D5183 Determination of the Coefficient of Friction of Lubricants ASTM D5183 Determination of the Coefficient of Friction of LubricantsASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine1. Scope1.1 This test method covers a procedure for determining the coefficient of friction by means ...