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free sulfite is removed by oxidation and the rest of substances (I) that are able to react with the chromogen are measured
Limit of detection: 2
This method is the only one on the market validated according to the new AOAC guidelines
All oxaloacetate from citrate in the sample is converted into L-malic acid by the enzyme L-malate dehydrogenase
To eliminate interferences ascorbic acid is eliminated from the sample by oxidation to dehydroascorbic acid (ascorbate oxidase [AO])
Color, reagent kit for wine, cider, kombucha and beer Fish & Seafood free sulfite is removed byColorimetric analysis for color determination Kit volume: 80 ml Method: End point mono reagent at 420, 520 and 620 nm Limit of linearity: 18 (A420, A520 and A620) Limit of detection: 0. 113 (A420, 0. 144 (A520) and 0. 121 (A620) Advantages Stable liquid reagent until the expiration date Ready to use dedicated reagent Wine color plays a major role in the impression of quality. Color is also an important indicator in many winemaking pro cesses. Regular
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