Determination of vitamin K1 using square wave adsorptive stripping voltammetry at solid glassy carbon electrode

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F18%3A39912544" target="_blank" >RIV/00216275:25310/18:39912544 - isvavai.cz</a>

Výsledek na webu

<a href="http://ttps://reader.elsevier.com/reader/sd/pii/S1572665718301048?token=779966B2B8A0C1475EF486807663ABFBB1E720A8FE7E8FA0FFA736303E2A1CF24230960374AA8DAC80AF2E7EFDC5DC18" target="_blank" >http://ttps://reader.elsevier.com/reader/sd/pii/S1572665718301048?token=779966B2B8A0C1475EF486807663ABFBB1E720A8FE7E8FA0FFA736303E2A1CF24230960374AA8DAC80AF2E7EFDC5DC18</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jelechem.2018.02.020" target="_blank" >10.1016/j.jelechem.2018.02.020</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Determination of vitamin K1 using square wave adsorptive stripping voltammetry at solid glassy carbon electrode

Popis výsledku v původním jazyce

A new electroanalytical method for determination of phylloquinone (vitamin K1) occuring in food samples of plant origin has been developed. Presented method is based on adsorptive accumulation of this biologically active compound onto the surface of solid glassy carbon electrode with subsequent electrochemical detection using square wave adsorptive stripping voltammetry in 0.1 M HCl. Two linear ranges of phylloquinone determination were 1.0 x 10(-8)-1.0 x 10(-6) mol L-1 and 5.0 x 10(-6)-1.0 x 10(-4) mol L-1 with the detection limits of 8.9 x 10(-9) and 5.1 x 10(-8) mol L-1, respectively. Obtained results have shown that square wave voltammetry with adsorptive accumulation step is very sensitive method for the determination of vitamin K-1, being comparable to standard high performance liquid chromatography method for food analysis (EN 14148:2003).

Název v anglickém jazyce

Determination of vitamin K1 using square wave adsorptive stripping voltammetry at solid glassy carbon electrode

Popis výsledku anglicky

A new electroanalytical method for determination of phylloquinone (vitamin K1) occuring in food samples of plant origin has been developed. Presented method is based on adsorptive accumulation of this biologically active compound onto the surface of solid glassy carbon electrode with subsequent electrochemical detection using square wave adsorptive stripping voltammetry in 0.1 M HCl. Two linear ranges of phylloquinone determination were 1.0 x 10(-8)-1.0 x 10(-6) mol L-1 and 5.0 x 10(-6)-1.0 x 10(-4) mol L-1 with the detection limits of 8.9 x 10(-9) and 5.1 x 10(-8) mol L-1, respectively. Obtained results have shown that square wave voltammetry with adsorptive accumulation step is very sensitive method for the determination of vitamin K-1, being comparable to standard high performance liquid chromatography method for food analysis (EN 14148:2003).

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10406 - Analytical chemistry

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Electroanalytical Chemistry

ISSN

1572-6657

e-ISSN

—

Svazek periodika

821

Číslo periodika v rámci svazku

Julz

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

6

Strana od-do

10-15

Kód UT WoS článku

000437818600003

EID výsledku v databázi Scopus

2-s2.0-85042211337