IP 499: Determination of aromatic carbon content of lubricant mineral base oils and middle distillate petroleum fractions - Carbon-13 nuclear magnetic resonance (NMR) spectroscopy method

Document options


EI Technical Partners get free access to publications. You will need to Login or Register here

Dear customer,

Please note that the EI publishing department has moved to a new print supplier for 2021. The option to purchase Hard Copies of our publications has been suspended until the New Year, when we will be making select areas of the catalogue available again. Until then, we will continue to offer PDF versions of our books. Please email pubs@energyinst.org if you have any queries.

Kind regards,
EI Publications

  • Method adopted/last revised: 2011
  • Method reapproved: None
  • REF/ISBN: IP499-2935996
  • Status: Current
  • First printed in STM books: January 2011

Scope

This standard specifies procedures for determining the aromatic carbon content of mineral base oils within the range of 0,6 % mole to 13,8 % mole, and of middle distillates within the range of 1,8 % mole to 41,5 % mole. The standard does not determine the concentration of aromatic carbon in these materials, but only measures the sum of the aromatic substructures. In 13C nuclear magnetic resonance spectroscopy, no distinction can be made between olefinic and aromatic carbons, and thus this standard is not applicable to petroleum fractions with significant quantities of olefinic compounds.

Members Benefits

Are you an EI Member? If yes, register/log in now to ensure you receive free access or discounts to EI publications.

If you are not a Member, why not join today and receive all of the benefits of EI Membership? EI Members are entitled to a 25% discount on most EI publications.