Oscillopolarographic - Ferricyanide titration in p -

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Oscillopolarographic - Ferricyanide titration in pharmaceutical preparations of the mass fraction of VC

And K [Fe (CN) 6] as the selective oxidation of weak oxidants , which do not interfere . Determination of experimental conditions VC5.00g / L, relative error within ± 5% . Coexistence of the following substances and ions do not interfere : glucose , sucrose , starch , NO;, CH3CO0 one , s0i a ,, ME, AI F interference, but they co-exist with the possibility of pharmaceutical preparations VC is very small, bearing in mind that 2.6 standard reproducible experimental samples under the experimental conditions , accurate draw VC standard solution 400mL, were determined by experimental methods , results in Table 1 Table 1 Cut Tab1Analysisofstandardsample standard sample points from the Table 1, this experiment not only with good reproducibility, and accuracy, suitable for sample analysis. 2.7 Sample analysis imbibe VC film, cold sensitive film, a strong sample of all VC Yinqiao tablets 400mL,[link widoczny dla zalogowanych], were determined by experimental methods , the results in Table 222, North China University of Technology ( Natural Science) Volume 2 * of the labeled amount , ** confidence level : 95%

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