Fruits, vegetables and derived products — Determination of ascorbic acid — Part 1: Reference method
NORM herausgegeben am 9.10.1986
Bezeichnung normen: ISO 6557-1:1986
Ausgabedatum normen: 9.10.1986
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: The method uses the molecular fluorescence spectrometry for the determination of the combined ascorbic and dehydroascorbic acid content. It consists in transforming ascorbic acid into dehydrascorbic acid using activated charcoal, and reacting this with o-phenylendiamine (OPDA).