Home > Classroom

  • ASTM D3461 Test Method for Softening Point of Asphalt and Pitch ASTM D3461 Test Method for Softening Point of Asphalt and PitchASTM D3461 Standard Test Method for Softening Point of Asphalt and Pitch (Mettler Cup-and-Ball Method)1. Scope1.1 This test method covers the determination of the softening point of asphalt and pitch in the range from 50 to 180°C by the ...
  • ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and Nitrogen ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and NitrogenASTM D5291 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants11. Report11.1 Report the carbon, hydrogen, and nitrogen results as mass percent of the sample.12. ...
  • ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and Nitrogen ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and NitrogenASTM D5291 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants9. Procedure9.1 Test Method A:9.1.1 Accurately to within +/-1 mg weigh out about 50 to 200 mg of ...
  • ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and Nitrogen ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and NitrogenASTM D5291 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants8. Preparation of Apparatus8.1 Prepare the instrumental system (in its entirety) in strict accordance ...
  • ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and Nitrogen ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and NitrogenASTM D5291 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants5. Apparatus5.1 Since a variety of instrumental components and configurations can be satisfactorily ...
  • ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and Nitrogen ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and NitrogenASTM D5291 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants3. Summary of Test Methods3.1 In these test methods, carbon, hydrogen, and nitrogen are determined ...
  • ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and Nitrogen ASTM D5291 Instrumental Determination of Carbon, Hydrogen, and NitrogenASTM D5291 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants1. Scope1.1 These test methods cover the instrumental determination of carbon, hydrogen, and nitrogen ...
  • The Cold Cranking Simulator Method for Viscosity of Engine Oils at Low Temperatu The Cold Cranking Simulator (CCS) has beenshown to be a relatively inexpensive, fast and accurate instrument formeasurement of engine oil viscosity at low temperatures. ASTM cooperative workwith the CCS has resulted in establishment of a tentative method D5293 formotor oil viscosity within a range of ...
  • Dissolved gas analysis (DGA) and moisture analyzer The combination of moisture in oil and inthe cellulose is an indicator of aging. The most important method for thediagnosis of aging processes as a result of dielectric, thermal, dynamic andchemical aging in the oil and oil-paper insulation is the Dissolved GasAnalysis (DGA). Chongqing Kailian Yongrun ...
  • Dissolved gas analysis (DGA) During the natural aging processes of oiland insulating parts, especially in the case of thermal or electrical failures,cracked gases form and are dissolved in the oil. The rate of decomposition andthe type of gases change during defective operation, which could be results ofthe thermal overloading and ...