Determination of Ethoxy Content in Ethylcellulose via Relative Quantitative 1H NMR Spectroscopy
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The research team established a quantitative 1H NMR method to determine the relative ethoxy content (EO%) in ethylcellulose using a CDCl3/TFA-d solvent mixture. High-field NMR spectroscopy enabled direct measurement without the use of internal or external cali... ...
