Application of TLC and la ICP SF MS for speciation of S, Ni and v in petroleum samples

Nopparat Vorapalawut, Mauro Martinez Labrador, Pawel Pohl, Manuel Caetano, Jose Chirinos, Carine Arnaudguilhem, Brice Bouyssiere, Juwadee Shiowatana, Ryszard Lobinski

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

A coupling of thin layer chromatography with laser ablation ICP SF MS was developed for the fractionation of Ni, V, Fe and S in crude oil and its fractions (saturate, aromatic, resin and asphaltene). The detection limits were 18 ng g-1 and 23 ng g-1 for nickel and vanadium, respectively, and a sample could be characterized in terms of the metal distribution as a function of species polarity within 10 min. The method was used to characterize the metal distribution in crude oils of different origins and their different fractions.

Original languageEnglish
Pages (from-to)574-578
Number of pages5
JournalTalanta
Volume97
DOIs
StatePublished - 15 Aug 2012
Externally publishedYes

Keywords

  • Crude oil
  • LA ICP SF MS
  • Metals
  • Speciation
  • TLC

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