What is it about?
Crude oil was separated into discrete chemical classes (ionic basic/acidic, neutral, and neutral basic/acidic). All fractions were complex mixtures but changes in composition were related to properties of the crude oil. Simplifying the crude oil allowed new compounds to be identified.
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Why is it important?
Separating crude oil in this way allows the most appropriate analytical technique to be applied to each fraction, improving sensitivity and overcoming some of the problems associated with analysing black oils. identifying novel compounds in crude oil may be useful in biomarker studies (e.g. source rock, oil spills).
Perspectives
Crude oils are incredibly complex mixtures. It is interesting to try and figure out ways of simplifying them and learning something new along the way. Addressing practical problems faced by industry is always an exciting challenge.
Dr Paul A Sutton
University of Plymouth
Read the Original
This page is a summary of: Class Type Separation of the Polar and Apolar Components of Petroleum, Analytical Chemistry, February 2017, American Chemical Society (ACS),
DOI: 10.1021/acs.analchem.6b04202.
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