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The principle of the method specified is placing a weighed test portion in a crucible and subjecting to destructive distillation. The residue undergoes cracking and coking reactions during a fixed period of severe heating. At the end of the specified heat period, the test crucible containing the carbonaceous residue is cooled in a desiccator and weighed. The residue remaining is calculated as a mass percentage of the original test portion. The method may be used to determine amounts of carbon residues in the range of 0,01 % (m/m) to 30,0 % (m/m), left after evaporation and pyrolysis.


General information

  • Status :  Published
    Publication date : 1993-09
  • Edition : 2
    Number of pages : 10
  • Technical Committee
    :
    ISO/TC 28
    Petroleum and related products, fuels and lubricants from natural or synthetic sources
  • ICS :
    75.080
    Petroleum products in general

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