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  • ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration1. Scope1.1 This test method covers the determination of water in the range from 0.02 to 5 mass or volume % in crude oils. Mercaptan (RSH) and sulfide (S or H2S) as sulfur are known to interfere with this test method, but at levels ...
  • ASTM D4294 for sulfur in petroleum and petroleum products ASTM D4294 for sulfur in petroleum and petroleum productsASTM D4294 standard test method for sulfur in petroleum and petroleum products by energy-dispersive X-ray fluorescence spectrometry14. Quality Control14.1 The use of quality control programs, such as the one described in 14.1.1, can assist in maintaining ...
  • ASTM D4294 for sulfur in petroleum and petroleum products ASTM D4294 for sulfur in petroleum and petroleum productsASTM D4294 standard test method for sulfur in petroleum and petroleum products by energy-dispersive X-ray fluorescence spectrometry11. Procedure11.1 Although X-radiation penetrates only a short distance into the sample, scatter from the sample ...
  • ASTM D4294 for sulfur in petroleum and petroleum products ASTM D4294 for sulfur in petroleum and petroleum productsASTM D4294 standard test method for sulfur in petroleum and petroleum products by energy-dispersive X-ray fluorescence spectrometry9. Calibration and Standardization9.1 Preparation of Calibration Standards:9.1.1 Although it is possible to make ...
  • ASTM D4294 for sulfur in petroleum and petroleum products ASTM D4294 for sulfur in petroleum and petroleum productsASTM D4294 standard test method for sulfur in petroleum and petroleum products by energy-dispersive X-ray fluorescence spectrometry6. Apparatus6.1 Energy-dispersive X-ray Fluorescence Analyzer - Any energy dispersive X-ray fluorescence analyzer ...
  • ASTM D4294 for sulfur in petroleum and petroleum products ASTM D4294 for sulfur in petroleum and petroleum productsASTM D4294 standard test method for sulfur in petroleum and petroleum products by energy-dispersive X-ray fluorescence spectrometry3. Summary of Test Method3.1 The sample is placed in the beam emitted from an X-ray source. The resultant excited ...
  • ASTM D4294 for sulfur in petroleum and petroleum products ASTM D4294 for sulfur in petroleum and petroleum productsASTM D4294 standard test method for sulfur in petroleum and petroleum products by energy-dispersive X-ray fluorescence spectrometry1. Scope1.1 This test method covers the measurement of sulfur in hydrocarbons, such as diesel, naphtha, kerosine, ...
  • ASTM D323 for vapor pressure of petroleum products (Reid method) ASTM D323 for vapor pressure of petroleum products (Reid method)PROCEDURE D FOR AVIATION GASOLINES APPROXIMATELY 50 kPa (7 psi) REID VAPOR PRESSURE21. Introduction21.1 The following sections define changes in apparatus and procedure for the determination of the vapor pressure of aviation gasoline. Except ...
  • ASTM D323 for vapor pressure of petroleum products (Reid method) ASTM D323 for vapor pressure of petroleum products (Reid method)PROCEDURE C FOR PETROLEUM PRODUCTS HAVING REID VAPOR PRESSURES ABOVE 180 kPa (26 psi)15. Introduction15.1 With products having vapor pressure over 180 kPa (26 psi) see Note 10), the procedure described in Sections 7-11 is hazardous and inaccurate. ...
  • ASTM D323 for vapor pressure of petroleum products (Reid method) ASTM D323 for vapor pressure of petroleum products (Reid method)PROCEDURE B FOR PETROLEUM PRODUCTS HAVING REID VAPOR PRESSURES BELOW 180 kPa (26 psi), (HORIZONTAL BATH)12. Sampling12.1 Refer to Section 7.13. Preparation for Test13.1 Refer to Section 10.14. Procedure14.1 Sample Transfer - Remove the sample ...