Impedimetric Au-NTA sensor for lead determination (CROSBI ID 606621)
Prilog sa skupa u zborniku | izvorni znanstveni rad
Podaci o odgovornosti
Palčić, Marina ; Kereković, Irena ; Milardović, Stjepan ; Grabarić, Zorana
engleski
Impedimetric Au-NTA sensor for lead determination
A self assembled monolayer (SAM) of cysteamine was prepared on the surface of gold disc electrode and further modified with nitrilotriacetic acid (NTA). Sensor’s surface characterization was performed by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) in the presence of potassium hexacyanoferrate (II)/(III) redox pair. Complexation of NTA with Pb2+ was tested by EIS measurements using the same redox pair as in the surface characterization. Electrode response (log ∆Rct) was linearly proportional to log c(Pb2+) with correlation coefficient R2 = 0.9865 for measurements in buffer pH = 4.60 and R2 = 0.9931 for pH = 7.06 in the concentration range of 0.06- 66 µmol/L.
impedimetric sensor ; lead ; NTA ; self assembled monolayers
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Podaci o prilogu
64-75.
2013.
objavljeno
Podaci o matičnoj publikaciji
XIV. Ružičkini dani, "Danas znanost - sutra industrija"
Jukić, Ante
Zagreb : Osijek: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI) ; Prehrambeno tehnološki fakultet Sveučilišta Josipa Jurja Strossmayera u Osijeku
978-953-6894-51-2
Podaci o skupu
Međunarodni znanstveno-stručni skup 14. Ružičkini dani "Danas znanost - sutra industrija"
predavanje
01.01.2013-01.01.2013
Vukovar, Hrvatska