Quantitative nuclear magnetic resonance spectroscopy — Purity determination of organic compounds used for foods and food products — General requirements for 1H NMR internal standard method
定量核磁共振波谱法.食品和食品用有机化合物的纯度测定.1H NMR内标法的一般要求
This document specifies general requirements and performance criteria for the determination of purity of organic compounds through the application of solution state proton (1H) quantitative nuclear magnetic resonance (qNMR) spectroscopy using an internal standard method.
This document is applicable to bioactive compounds in functional foods, natural toxins, food additives and pesticides.
This document is applicable to the users pursuing metrological traceability of the measurement results.