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ĐUROVIĆ, A. -- STOJANOVIĆ, Z. -- KRAVIĆ, S. -- KOS, J. -- RICHTERA, L. Electrochemical Determination of Vitamin D3 in Pharmaceutical Products by Using Boron Doped Diamond Electrode. Electroanalysis. 2020. v. 32, no. 4, p. 741--748. ISSN 1040-0397. URL: https://onlinelibrary.wiley.com/doi/epdf/10.1002/elan.201900532

Original name:
Electrochemical Determination of Vitamin D3 in Pharmaceutical Products by Using Boron Doped Diamond Electrode
Czech name:
Written by (author): Ana Đurović
Zorica Stojanović
Snežana Kravić
Jovana Kos
RNDr. Lukáš Richtera, Ph.D.
Department: Department of Chemistry and Biochemistry
Kind of publication: article in a professional periodical
Periodical: Electroanalysis
Nature of article: paper
Volume no. (year):
32
Periodical number within the volume:
4
Year of publication:
2020
Starting page:
741
Up to page:
748
Number of pages:
8
Sub-specification:
článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication:
printed version
Original language:
English
Description in original language: A sensitive square-wave voltammetry method was developed to determine cholecalciferol (vitamin D3) in pharmaceutical products at boron-doped diamond electrode as a working electrode. Vitamin D3 provided a well-defined voltammetric peak at around +1.00 V (vs. Ag/AgCl, 3.5 mol dmMINUS SIGN 3) in 0.02 mol dmMINUS SIGN 3 Britton-Robinson buffer pH 5.0 prepared in 50 % ethanol. The influence of various factors such as type and pH of the supporting electrolyte, scan rate and square-wave parameters were studied and optimized. Under optimum conditions, the oxidation peak current increased linearly with the concentration of vitamin D3 over the range of 2 to 200 μmol dmMINUS SIGN 3. The calculated limit of detection and limit of quantitation were 0.17 μmol dmMINUS SIGN 3 and 0.51 μmol dmMINUS SIGN 3, respectively. The boron-doped diamond electrode exhibited specific recognition capability for cholecalciferol amongst possible interferences, and the determination of vitamin D3 was possible in samples such as commercial pharmaceutical products without complicated sample pretreatments.
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
URL: https://onlinelibrary.wiley.com/doi/epdf/10.1002/elan.201900532
 
Entry made by: Markéta Hejčová, DiS.
Last change: 04/17/2020 15:39 (Markéta Hejčová, DiS.)

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Source specification:

Electroanalysis. ISSN 1040-0397.

Original name:
Electroanalysis
English name:
Czech name:
Written by (author):
Kind of publication:
magazine
ISSN:
1040-0397
Country of publisher:
Federal Republic of Germany
Place of publishing:
Publisher:
WILEY-V C H VERLAG GMBH
URL:
Reviewed magazine:
no
Original language:
Description in original language:
Description in English:
Description in Czech:
 
Entry made by:
Last change:
03/14/2012 20:43 (Ing. Aleš Kutín)

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