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Indigo carmine

Indigo carmine

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Ukraine, Dnipro
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83% of positive reviews from 6
9 years on Allbiz

Indigo carmine. Reagent for fotometrich. definitions of O2 and O3 (at 570 nanometers). The method is based on oxidation of the leuco base received will precede. recovery indigo carmine and; at the same time coloring changes from chartreuse through red to blue. For recovery of indigo carmine use Zn, Na dithionite, mix of glucose and glycerin. The leuco base relation to O2 1:2. Nizh. border of the determined contents for O2 0,02 mg/ml, for O3 1.106 of %. Indigo carmine will oxidize. - will recover. the indicator for titrimetrich. definitions of Fe (III), Mo (VI), U (VI), Tl (I, III), Pb (II), As (III), indirect definition of KMnO4, K2Cr2O7, K2CrO4, KClO3, KBrO3, MnO2, PbO2. Acid osnovny the indicator (at rn 11,6-14,0 transition of coloring from blue to yellow). Apply indigo carmine for kolorimetrich. definitions of nitrates in the silnokisly environment, and also as dye.

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