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1. Identification of polyurethanes by high resolution nuclear magnetic resonance spectrometry
Edward G. Brame, Raymond C. Ferguson, George J. Thomas
Anal. Chem., 1967, 39 (4), pp 517–521

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http://dx.doi.org/10.1021/ac60248a004

2. Quantitative analysis of a moisture-cure polyurethane coating by gel-permeation chromatography
N. D. Kornbau, D. C. Ziegler
Anal. Chem., 1970, 42 (11), pp 1290–1293

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http://dx.doi.org/10.1021/ac60293a038

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ac60248a004.pdf

ac60293a038.pdf

[Vsevolod]

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