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

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. © 2012 Elsevier B.V. All rights reserved.

Año de publicación:

2012

Keywords:

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

Fuente:

scopus