Vinegar. Isotopic analysis of acetic acid and water - ²H-NMR analysis of acetic acid1 Scope This European Standard specifies an isotopic method to control the authenticity of vinegar. This method is applicable on acetic acid of vinegar (from wine, cider, agricultural alcohol, etc.) in order to characterise the botanical origin of acetic acid and to detect adulterations of vinegar using synthetic acetic acid or acetic acid from a non allowed origin (together with the method described in EN 164662). The isotopic analysis of the

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