Determination of total and free sulfur dioxide in wine by flow injection analysis and gas-diffusion using p-aminoazobenzene as the colorimetric reagent.
Bartroli
J
J
Departament de Quimica, Universitat Autonoma de Barcelona, Spain.
Escalada
M
M
Jimenez Jorquera
C
C
Alonso
J
J
D003124:Colorimetry; D017022:Flow Injection Analysis; D013458:Sulfur Dioxide / Q000032:analysis*; D014920:Wine / Q000032:analysis*; D010128:p-Aminoazobenzene
D013458:Sulfur Dioxide; D010128:p-Aminoazobenzene