JIS K 0138:2018

JIS K 0138:2018 General rules for quantitative nuclear magnetic resonance spectroscopy (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2018

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JIS K 0138:2018 defines the general rules for applying quantitative nuclear magnetic resonance (qNMR) using proton (1H) nuclei to perform quantitative analysis based on the internal standard method to analyze the content and purity of chemical substances. This method is applicable to materials that have non-ex-changeable 1H nuclei and are dissolved in a solvent.