In-situ formiranje referentne membrane za čvrstofazne elektrode

undergraduate thesis

• Title (english): In-situ formation of reference membrane for solid state electrodes
• Author: Lorena Lazarin
• Mentor: Petar Kassal (mentor)
• Committee member: Petar Kassal (predsjednik povjerenstva)
• Committee member: Lidija Furač (član povjerenstva)
• Committee member: Igor Dejanović (član povjerenstva)
• Granter: University of Zagreb; Faculty of Chemical Engineering and Technology; Zagreb
• Defense date and country: 2023-09-19, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Chemistry

Abstract

Osnovni cilj ovog rada je formiranje referentne Ag|AgCl membrane temeljene na poli(vinil-butiralu) za čvrstofazne elektrode. Opisana je priprava te nanošenje referentne i zaštitne membrane na ispisane elektrode. Nakon sušenja i kondicioniranja, provedeno je potenciometrijsko mjerenje pripremljenih elektroda u širokom rasponu koncentracija
od 10^-6 do 10^-1 mol/dm^3 u standardnim otopinama KCl, Na2SO4, NaNO3 te CaCl2. Najbolje rezultate pokazala je čvrstofazna elektroda u otopini Na2SO4. Pripremljene elektrode ispitane su u postupku baždarenja komercijalne natrijeve ion-selektivne elektrode, a rezultati su prikazani grafički. Također, provedena je i ciklička voltametrija kako bi se usporedila pripremljena čvrstofazna referentna elektroda s klasičnom Ag|AgCl elektrodom.

Abstract (english)

The aim of this work is to form reference Ag|AgCl membrane based on poly(vinyl-butyral) for solid-state electrodes. The preparation and application of the reference and protective membrane to the printed electrodes is described. After drying and conditioning, potentiometric measurement of the prepared electrodes was performed in a wide range of concentrations from 10^-6 to 10^-1 mol/dm^3 in standard solutions of KCl, Na2SO4, NaNO3 and CaCl2. The solid-state electrode in Na2SO4 standard solution shows the best results. The prepared electrodes were tested in the calibration process of a commercial sodium ion-selective electrode, and the results are presented graphically. Also, cyclic voltammetry was performed to compare the prepared solid-state reference electrode with the classic Ag|AgCl electrode.

• Keywords: senzori; čvrstofazna referentna elektroda; inkjet ispis; potenciometrija
• Keywords (english): sensors; solid-state reference electrode (SSRE); inkjet printing; potentiometry
• Language: croatian
• URN:NBN: urn:nbn:hr:149:887266
• Project: Number: UIP-2020-02-9139; Title: Fotonsko sinteriranje inkjet ispisanih elektrokemijskih senzora i biosenzora na plastičnim podlogama; Title: Photonic sintering for inkjet printed electrochemical sensors and biosensors on plastic substrates; Acronym: PrintEChemSens; Leader: Petar Kassal; Jurisdiction: Croatia; Funder: HRZZ; Funding stream: UIP
• Study programme: Title: Applied Chemistry - Undergraduate study; specializations in: Environmental chemistry and green technologies, Advanced materials and technologies, Applied organic chemistry; Course: Advanced materials and technologies; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) primijenjene kemije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) primijenjene kemije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2023-11-28 14:50:55