Fruits, vegetables and derived products — Determination of ascorbic acid — Part 1: Reference method
STANDARD published on 9.10.1986
Designation standards: ISO 6557-1:1986
Publication date standards: 9.10.1986
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards 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).