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6-disulfonic acid (Ar- senazo III)
Liquid reagent
During véraison
D-fructose and D-glucose in the sample generate NADPH (by the following reaction)
except for carbonic acid and sulfurous acid
Ammonia, Y200 / Y400 and Spica format, reagent kit for wine, kombucha and cider Colorimetric 6-disulfonic acid (Ar- senazo III)Enzymatic method for ammonia determination Kit volume: 150 ml Method: Two reagent differential at 340 nm Limit of linearity: 200 ml l Limit of detection: 3. 0 mg l (ppm) Advantages Stable liquid reagent until the expiration date Ready to use dedicated reagent Liquid calibrator included in the kit Low nitrogen levels have been related to slow fermentation or sulfide production. Conversely, high levels can lead to micro bial instability and production
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