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Grzegorz Solecki  - - - 
Top co-authors
Wojciech Skierucha

84 shared publications

Institute of Agrophysics, Polish Academy of Sciences

Andrzej Wilczek

29 shared publications

Polish Academy of Sciences, Institute of Agrophysics, Lublin, Poland

Agnieszka Szypłowska

22 shared publications

Polish Academy of Sciences, Institute of Agrophysics, Lublin, Poland

Bartosz Paszkowski

3 shared publications

The Bohdan Dobrzański Institute of Agrophysics of the Polish Academy of Sciences, ul. Doświadczalna 4, 20-290 Lublin, Poland; s:(A.N.);(A.W.);(B.P.);(G.S.);(W.S.)

Anna Nakonieczna

2 shared publications

Laboratory of Dielectric Spectroscopy, The Bohdan Dobrzański Institute of Agrophysics of the Polish Academy of Sciences, ul. Dos´wiadczalna 4, Lublin 20-290, Poland; s:(M.K.);(A.W.);(A.S.);(W.S.)

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Publication Record
Distribution of Articles published per year 
(2013)
Total number of journals
published in
 
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Publications
Article 2 Reads 3 Citations Application of a Coaxial-Like Sensor for Impedance Spectroscopy Measurements of Selected Low-Conductivity Liquids Agnieszka Szypłowska, Anna Nakonieczna, Andrzej Wilczek, Bar... Published: 30 September 2013
Sensors, doi: 10.3390/s131013301
DOI See at publisher website PubMed View at PubMed ABS Show/hide abstract
The paper presents a coaxial-like sensor operating in the 20 Hz–2 MHz frequency range used to determine the electrical properties of selected liquids of low electrical conductivity. Examined materials included low-concentrated aqueous solutions of potassium chloride, sodium chloride and trisodium citrate, which are common food additives. Impedance spectra of the measurement cell filled with particular liquids were obtained and analyzed using the electrical equivalent circuit approach. The values of physical quantities and parameters describing the equivalent circuit components, including a constant phase element, were calculated for each sample. The applied sensor was also calibrated for electrical conductivity measurements up to 8 mS/m. The constant phase element parameters differed among the studied solutions and concentrations. This may provide a basis for a detection method of small amounts of compounds, such as food additives in low-concentrated aqueous solutions. To demonstrate the potential of the presented method, samples of purchased mineral water and a flavored drink containing various additives were tested.
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