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Overview ISO 5260:2023 specifies a quantitative 1H NMR spectrometry method for determining the epoxidation level and ring opening level of raw epoxidized natural rubber (ENR). Applicable to all comme…
1 Scope This document specifies a quantitative method, using proton ( 1 H) nuclear magnetic resonance (NMR) spectrometry, for the determination of epoxidation and ring opening level of raw epoxidized…