Electrochemical behavior of folic acid on mercury meniscus modified silver solid amalgam electrode

被引：80

作者：

Bandzuchova, L. ^{[2
]}

Selesovska, R. ^{[2
]}

Navratil, T. ^{[1
]}

Chylkova, J. ^{[2
]}

机构：

[1] AS CR, J Heyrovsky Inst Phys Chem, VVI, Prague 18223 8, Czech Republic

[2] Univ Pardubice, Fac Chem Technol, Inst Environm & Chem Engn, Pardubice 53210, Czech Republic

来源：

ELECTROCHIMICA ACTA | 2011年 / 56卷 / 05期

关键词：

Folic acid; Vitamins; Voltammetry; Mercury meniscus modified silver solid; amalgam electrode; Hanging mercury drop electrode; GRAPHITE COMPOSITE ELECTRODE; WATER-SOLUBLE VITAMINS; VOLTAMMETRIC DETERMINATION; PHARMACEUTICAL PREPARATIONS; LIQUID-CHROMATOGRAPHY; CAPILLARY-ELECTROPHORESIS; ELIMINATION VOLTAMMETRY; STRIPPING VOLTAMMETRY; DENTAL AMALGAM; PASTE;

D O I：

10.1016/j.electacta.2010.10.090

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2411 / 2419

页数：9

共 64 条

[1] Determination of folic acid in fortified wheat flours [J].

Alaburda, Janete ;

de Almelda, Adriana P. ;

Shundo, Luzia ;

Ruvieri, Valter ;

Sabino, Myrna .

JOURNAL OF FOOD COMPOSITION AND ANALYSIS, 2008, 21 (04) :336-342

[2] ADSORPTIVE STRIPPING VOLTAMMETRIC BEHAVIOR OF FOLIC-ACID [J].

ALVAREZ, JMF ;

GARCIA, AC ;

ORDIERES, AJM ;

BLANCO, PT .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1987, 225 (1-2) :241-253

[3] Voltammetric determination of N,N-dimethyl-4-amine-carboxyazobenzene at a silver solid amalgam electrode [J].

Barek, J ;

Dodova, E ;

Navrátil, T ;

Yosypchuk, B ;

Novotny, L ;

Zima, J .

ELECTROANALYSIS, 2003, 15 (22) :1778-1781

[4] Voltammetric determination of the herbicide Bifenox in drinking and river water using a silver solid amalgam electrode [J].

Barek, Jiri ;

Cabalkova, Dana ;

Fischer, Jan ;

Navratil, Tomas ;

Peckova, Karolina ;

Yosypchuk, Bogdan .

ENVIRONMENTAL CHEMISTRY LETTERS, 2011, 9 (01) :83-86

[5]

Caselunghe MB, 2000, FOOD CHEM, V70, P523, DOI 10.1016/S0308-8146(00)00115-1

[6] Investigation of folic acid stability in fortified instant Asian noodles by use of capillary electrophoresis [J].

Cheung, Rodney Hau Fung ;

Hughes, Jeff G. ;

Marriott, Philip J. ;

Small, Darryl M. .

FOOD CHEMISTRY, 2009, 112 (02) :507-514

[7] Verification of applicability of mercury meniscus modified silver solid amalgam electrode for determination of heavy metals in plant matrices [J].

Cizkova, Petra ;

Navratil, Tomas ;

Sestakova, Ivana ;

Yosypchuk, Bogdan .

ELECTROANALYSIS, 2007, 19 (2-3) :161-171

[8] Maternal use of nutritional supplements during the first month of pregnancy and decreased risk of Down's syndrome:: case-control study [J].

Czeizel, AE ;

Puhó, E .

NUTRITION, 2005, 21 (06) :698-704

[9]

Danhel A, 2007, CHEM LISTY, V101, P144

[10] Theory of current elimination in linear scan voltammetry [J].

Dracka, O .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1996, 402 (1-2) :19-28

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