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Electrochemical behavior of folic acid on mercury meniscus modified silver solid amalgam electrode
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SYSNO ASEP 0358457 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Electrochemical behavior of folic acid on mercury meniscus modified silver solid amalgam electrode Author(s) Bandžuchová, L. (CZ)
Šelešovská, R. (CZ)
Navrátil, Tomáš (UFCH-W) RID, ORCID
Chýlková, J. (CZ)Source Title Electrochimica acta. - : Elsevier - ISSN 0013-4686
Roč. 56, č. 5 (2011), s. 2411-2419Number of pages 9 s. Language eng - English Country GB - United Kingdom Keywords folic acid ; vitamins ; voltammetry Subject RIV CG - Electrochemistry R&D Projects IAA400400806 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000288227800072 DOI 10.1016/j.electacta.2010.10.090 Annotation Voltammetric behavior of folic acid and folates has been investigated using direct current voltammetry, differential pulse voltammetry and adsorptive stripping differential pulse voltammetry at a mercury meniscus modified silver solid amalgam electrode (m-AgSAE). The optimum conditions have been found for their determination in a 1:9 mixture of methanol and aqueous acetate buffer, with the limit of detection about 0.5 nmol L−1. RSD at this concentration level amounted to less than 4%. Practical applicability of the newly developed method was verified by analysis of three vitamin preparations and of two multivitamin juices. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2012
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