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  • ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column) ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column)6. Apparatus6.1 Distillation at Atmospheric Pressure - All components must conform to the requirements specified as follows. Automatic devices can be employed provided they meet the same requirements. A typical apparatus is illustrated ...
  • ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column) ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column)4. Summary of Test Method4.1 A weighed sample of 1 to 30 L of stabilized crude petroleum is distilled to a maximum temperature of 400°C AET in a fractionating column having an efficiency at total reflux of at least 14, but not ...
  • ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column) ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column)3. Terminology3.1 Definitions:3.1.1 adiabaticity - the condition in which there is no significant gain or loss of heat throughout the length of the column.3.1.1.1 Discussion - When distilling a mixture of compounds as is the ...
  • ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column) ASTM D2892 for distillation of crude petroleum (15-Theoretical Plate Column)1. Scope1.1 This test method covers the procedure for the distillation of stabilized crude petroleum (see Note 1) to a final cut temperature of 400°C Atmospheric Equivalent Temperature (AET). This test method employs a fractionating ...
  • ASTM D2622 for sulfur in petroleum products ASTM D2622 for sulfur in petroleum productsASTM D2622 standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry14. Precision and Bias14.1 The precision of the test method was determined by statistical analysis of results obtained an interlaboratory ...
  • ASTM D2622 for sulfur in petroleum products ASTM D2622 for sulfur in petroleum productsASTM D2622 standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry13. Quality Control13.1 It is recommended that each laboratory establish a program to ensure that the measurement system described in this ...
  • ASTM D2622 for sulfur in petroleum products ASTM D2622 for sulfur in petroleum productsASTM D2622 standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry12. Reporting12.1 For samples analyzed without dilution, report the result calculated in 11.3. For samples that have been diluted, report ...
  • ASTM D2622 for sulfur in petroleum products ASTM D2622 for sulfur in petroleum productsASTM D2622 standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry11. Calculations11.1 When using the drift correction monitor described in 7.3, calculate a correction factor for changes in daily instrument ...
  • ASTM D2622 for sulfur in petroleum products ASTM D2622 for sulfur in petroleum productsASTM D2622 standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry10. Procedure10.1 Instrument Setup - Before using any WDXRF spectrometer, it is essential that the instrument is performing to the manufacturer's ...
  • ASTM D2622 for sulfur in petroleum products ASTM D2622 for sulfur in petroleum productsASTM D2622 standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry9. Calibration9.1 Prepare calibration standards by careful mass dilution of the certified di-n-butyl sulfide with a sulfur-free white oil ...