Determination of organic acids in feedstuffs and fodder additives

INTRODUCTION

The method is used for the determination of the mass concentration of oxalic, formic, fumaric, succinic, malic, citric, acetic, propionic, lactic, benzoic, sorbic, butyric acids in fodder additives and butyric acid in silage and haylage by capillary electrophoresis.

For the determination of ascorbic acid and its salts in food additives and fodder additives use the method М 04-86-2016 (Lumex Instruments set, order No 0300002717).

MEASURING METHOD

The measurement method is based on capillary zone electrophoresis with direct UV detection at the wavelength of 190 nm.