To the Precision of Measuring Concentrations of Nitroxide Radicals in Polymers by EPR Technique
Publication type: Journal Article
Publication date: 2018-03-09
scimago Q3
wos Q4
SJR: 0.308
CiteScore: 2.2
Impact factor: 1.1
ISSN: 09379347, 16137507
Atomic and Molecular Physics, and Optics
Abstract
The precision of measuring concentrations of nirtoxide radicals in polymeric matrixes using modern electron paramagnetic resonance spectrometer is analyzed. The contributions of the radical nature and concentration, signal-to-noise ratio, and the integration procedure are tested as factors influencing on the precision of the measurement. It has shown that recording spectra with modern EPR spectrometer with possibility of computer analysis of spectra, the contribution of the integration error to the total error strongly depends on the signal-to-noise ratio. If the ratio is < 20, its contribution increases fast with the decrease of this parameter. If this ratio is ≥ 20, the input of the integration error becomes negligible, and the main contribution to the total error of concentration measurements comes from errors of the Q-factor determination, which are usually close to 8–10%.
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Chumakova N. A. et al. To the Precision of Measuring Concentrations of Nitroxide Radicals in Polymers by EPR Technique // Applied Magnetic Resonance. 2018. Vol. 49. No. 5. pp. 511-522.
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Chumakova N. A., Ivanova T., Golubeva E. N., Kokorin A. I. To the Precision of Measuring Concentrations of Nitroxide Radicals in Polymers by EPR Technique // Applied Magnetic Resonance. 2018. Vol. 49. No. 5. pp. 511-522.
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TY - JOUR
DO - 10.1007/s00723-018-0992-3
UR - https://doi.org/10.1007/s00723-018-0992-3
TI - To the Precision of Measuring Concentrations of Nitroxide Radicals in Polymers by EPR Technique
T2 - Applied Magnetic Resonance
AU - Chumakova, N A
AU - Ivanova, T.A.
AU - Golubeva, E. N.
AU - Kokorin, A I
PY - 2018
DA - 2018/03/09
PB - Springer Nature
SP - 511-522
IS - 5
VL - 49
SN - 0937-9347
SN - 1613-7507
ER -
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BibTex (up to 50 authors)
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@article{2018_Chumakova,
author = {N A Chumakova and T.A. Ivanova and E. N. Golubeva and A I Kokorin},
title = {To the Precision of Measuring Concentrations of Nitroxide Radicals in Polymers by EPR Technique},
journal = {Applied Magnetic Resonance},
year = {2018},
volume = {49},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1007/s00723-018-0992-3},
number = {5},
pages = {511--522},
doi = {10.1007/s00723-018-0992-3}
}
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MLA
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Chumakova, N. A., et al. “To the Precision of Measuring Concentrations of Nitroxide Radicals in Polymers by EPR Technique.” Applied Magnetic Resonance, vol. 49, no. 5, Mar. 2018, pp. 511-522. https://doi.org/10.1007/s00723-018-0992-3.