Organic acids and anions in wine (according to OIV-MA-AS313-1)

Determination of sulfate and phosphate anions as well as malic, tartaric, succinic, citric and lactic acids in red and white wines with the Wyn-CE capillary electrophoresis system, indirect UV detection and a pyridinedicarboxylic acid electrolyte.

L'avis de l'expert : CV on migration times and areas corrected <0.8% (n = 15)

Réactifs et conditions d'analyse

Tampon : PDC + CTAB (EOF inverter) + ACN, pH 5.6
Capillaire : bare-fused silica, L = 60 cm, l = 52 cm, ID = 50 μm
Injection : hydrodynamic, 50 mbar, 4s
Tension : - 16 kV
Détection : 254 nm, indirect
Température : 25 °C

Spécifications

Other applications Food safety