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Colorimetric analysis for copper determination
Kit volume: 200 ml
forming dehydroascorbic acid and MTT-formazan that can be assayed by spectrophotometry
the sulfur dioxide content of wine is limited
L-Malic Acid, MAXI kit Juice + Fruits + Vegetables Colorimetric analysis for copper determinationEnzymatic method for L malic acid determination Kit volume: 750 ml Method: Two reagent differential at 340 nm Limit of linearity: 400 mg l Limit of detection: 11 mg l (ppm) Advantages Stable liquid reagent until the expiration date Ready to use dedicated reagent Stable working reagent for 4 months Liquid calibrator included in the kit L malic acid is responsible for the sharply acidic, green apple flavor in wine. Its fermentation yields L lactic acid
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