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Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide.

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Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide. / Cheetham, P. F.; Cutting, G. R.; Tabner, B. J.
In: Magnetic Resonance in Chemistry, Vol. 30, No. 7, 1992, p. 626-631.

Research output: Contribution to Journal/Magazine › Journal article

Harvard

Cheetham, PF, Cutting, GR & Tabner, BJ 1992, 'Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide.', Magnetic Resonance in Chemistry, vol. 30, no. 7, pp. 626-631. https://doi.org/10.1002/mrc.1260300709

APA

Cheetham, P. F., Cutting, G. R., & Tabner, B. J. (1992). Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide. Magnetic Resonance in Chemistry, 30(7), 626-631. https://doi.org/10.1002/mrc.1260300709

Vancouver

Cheetham PF, Cutting GR, Tabner BJ. Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide. Magnetic Resonance in Chemistry. 1992;30(7):626-631. doi: 10.1002/mrc.1260300709

Author

Cheetham, P. F. ; Cutting, G. R. ; Tabner, B. J. / Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide. In: Magnetic Resonance in Chemistry. 1992 ; Vol. 30, No. 7. pp. 626-631.

Bibtex

@article{e79c6d613cfe40a69e077fbabf85b09a,
title = "Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide.",
abstract = "An ESR spectrum is observed when a sample of polyacrylonitrile powder is dissolved in a dimethyl sulphoxide solution of nitrosobenzene at room temperature. However, the spectrum is not associated with the trapping of occluded radicals from within the polymer latex, but with the hydrogen atom adduct. [Similarly, when an aqueous emulsion of poly(methyl methacrylate) is added in place of the polyacrylonitrile powder the spectrum of the hydrogen atom adduct is again observed.] Experiments in dimethyl-d6 sulphoxide indicate that the hydrogen atom does not originate from the solvent. At higher temperatures (383 K) the spectrum of a mixture of the hydrogen atom and methyl radical adducts is observed. Experiments in dimethyl-d6 sulphoxide show that the latter radical originates from the solvent.",
keywords = "ESR • Spin Trapping • Occluded radicals • Polyacrylonitrile",
author = "Cheetham, {P. F.} and Cutting, {G. R.} and Tabner, {B. J.}",
year = "1992",
doi = "10.1002/mrc.1260300709",
language = "English",
volume = "30",
pages = "626--631",
journal = "Magnetic Resonance in Chemistry",
issn = "1097-458X",
publisher = "John Wiley and Sons Ltd",
number = "7",

}

RIS

TY - JOUR

T1 - Spin-trapping artifacts on addition of polyacrylonitrile and poly(methyl methacrylate) to dimethyl sulphoxide.

AU - Cheetham, P. F.

AU - Cutting, G. R.

AU - Tabner, B. J.

PY - 1992

Y1 - 1992

N2 - An ESR spectrum is observed when a sample of polyacrylonitrile powder is dissolved in a dimethyl sulphoxide solution of nitrosobenzene at room temperature. However, the spectrum is not associated with the trapping of occluded radicals from within the polymer latex, but with the hydrogen atom adduct. [Similarly, when an aqueous emulsion of poly(methyl methacrylate) is added in place of the polyacrylonitrile powder the spectrum of the hydrogen atom adduct is again observed.] Experiments in dimethyl-d6 sulphoxide indicate that the hydrogen atom does not originate from the solvent. At higher temperatures (383 K) the spectrum of a mixture of the hydrogen atom and methyl radical adducts is observed. Experiments in dimethyl-d6 sulphoxide show that the latter radical originates from the solvent.

AB - An ESR spectrum is observed when a sample of polyacrylonitrile powder is dissolved in a dimethyl sulphoxide solution of nitrosobenzene at room temperature. However, the spectrum is not associated with the trapping of occluded radicals from within the polymer latex, but with the hydrogen atom adduct. [Similarly, when an aqueous emulsion of poly(methyl methacrylate) is added in place of the polyacrylonitrile powder the spectrum of the hydrogen atom adduct is again observed.] Experiments in dimethyl-d6 sulphoxide indicate that the hydrogen atom does not originate from the solvent. At higher temperatures (383 K) the spectrum of a mixture of the hydrogen atom and methyl radical adducts is observed. Experiments in dimethyl-d6 sulphoxide show that the latter radical originates from the solvent.

KW - ESR • Spin Trapping • Occluded radicals • Polyacrylonitrile

U2 - 10.1002/mrc.1260300709

DO - 10.1002/mrc.1260300709

M3 - Journal article

VL - 30

SP - 626

EP - 631

JO - Magnetic Resonance in Chemistry

JF - Magnetic Resonance in Chemistry

SN - 1097-458X

IS - 7

ER -