Adsorptive stripping voltammetric determination of folic acid in pharmaceutical preparations | Zendy

Szczepaniak W. | Zendy; Ren M. | Zendy

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Adsorptive stripping voltammetric determination of folic acid in pharmaceutical preparations

Author(s) -

Szczepaniak W.,

Ren M.

Publication year - 1994

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.1140060524

Subject(s) - pellets , chemistry , adsorptive stripping voltammetry , stripping (fiber) , relative standard deviation , folic acid , chromatography , supporting electrolyte , electrolyte , voltammetry , detection limit , electrochemistry , electrode , materials science , medicine , composite material

An adsorptive stripping voltammetric (AdSV) procedure is proposed for determination of folic acid (FA) in cores and coated pellets of Hemofer (FA/iron tablet). The adsorptive stripping response was evaluated with respect to the electrolyte solution, the accumulation time and potential, and the concentration dependence. The relationship between i p and FA concentration was linear over the range 1 × 10 −8 to 5 × 10 −7 M FA. The conditions of cores and pellets preparation for analysis were established. The relative standard deviation is 2.4% for a content of FA of 0.35 mg per core ( n = 5).

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