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NMR Signal Amplification by Reversible Exchange of Sulfur‐Heterocyclic Compounds Found In Petroleum
Author(s) -
Shchepin Roman V.,
Barskiy Danila A.,
Coffey Aaron M.,
Goodson Boyd M.,
Chekmenev Eduard Y.
Publication year - 2016
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201600761
Subject(s) - sulfur , hyperpolarization (physics) , nuclear magnetic resonance spectroscopy , chemistry , petroleum , petroleum product , spectroscopy , analytical chemistry (journal) , organic chemistry , physics , quantum mechanics
NMR hyperpolarization via Signal Amplification by Reversible Exchange (SABRE) was employed to investigate the feasibility of enhancing the NMR detection sensitivity of sulfur‐heterocycles (specifically 2‐methylthiophene and dibenzothiophenes), a family of compounds typically found in petroleum and refined petroleum products. SABRE hyperpolarization of sulfur‐heterocycles (conducted in seconds) offers potential advantages of providing structural information about sulfur‐containing contaminants in petroleum, thereby informing petroleum purification and refining to minimize sulfur content in refined products such as gasoline. Moreover, NMR spectroscopy sensitivity gains endowed by hyperpolarization potentially allows for performing structural assays using inexpensive, low‐magnetic‐field ( ca . 1 T) high‐resolution NMR spectrometers ideally suited for industrial applications in the field.