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Title:RAZVOJ IN VALIDACIJA POLAROGRAFSKE METODE ZA DOLOČANJE VSEBNOSTI SLEDOV TIOSULFATA V FARMACEVTSKIH UČINKOVINAH
Authors:ID Mugoša, Nina (Author)
ID Kolar, Mitja (Mentor) More about this mentor... New window
ID Brodnjak-Vončina, Darinka (Comentor)
ID Stergar, Matej (Comentor)
Files:.pdf UNI_Mugosa_Nina_2010.pdf (903,36 KB)
MD5: A0C0B0AA86F76D75805D3A13E9A7537C
PID: 20.500.12556/dkum/c5bad6f3-6168-4b1d-ad0b-15a797e32b62
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Namen diplomske naloge je bilo razviti in validirati polarografsko metodo za določanje vsebnosti sledov tiosulfata v farmacevtskih učinkovinah, ki sodijo v kemijsko skupino prazolov. Tiosulfat se pojavlja v sintezni shemi kot nečistota. Vsebnost tiosulfata smo določali z uporabo diferencialno pulzne polarografije (DPP) in kapljajoče živosrebrne elektrode (KŽE). Za nosilni elektrolit smo uporabili fosfatni pufer pH 6,0. Sledove smo iskali v šestih različnih realnih vzorcih. Opravili smo validacijo analizne metode, določili smo linearnost, točnost, natančnost, ponovljivost, mejo zaznave, mejo določanja in stabilnost. Iz rezultatov je razvidno, da so sledovi tiosulfata vidni samo pri dveh vzorcih. Dokazali smo, da je analizna metoda primerna in uporabna za določanje tiosulfata v farmacevtskih učinkovinah.
Keywords:voltametrija, polarografija, diferencialno pulzna polarografija, živosrebrna kapljajoča elektroda, tiosulfat, prazoli, validacija, zaviralci protonske črpalke.
Place of publishing:Maribor
Publisher:[N. Mugoša]
Year of publishing:2010
PID:20.500.12556/DKUM-15890 New window
UDC:543.454(043.2)
COBISS.SI-ID:14996758 New window
NUK URN:URN:SI:UM:DK:9UVIGNK1
Publication date in DKUM:01.10.2010
Views:2956
Downloads:362
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Secondary language

Language:English
Title:DEVELOPMENT AND VALIDATION OF POLAROGRAPHIC METHOD FOR THIOSULPHATE DETERMINATION IN PHARMACEUTICAL PRODUCTS
Abstract:Purpose of this diploma thesis was to develop and validate the polarographic method for thiosulphate determination in pharmaceutical substances, which belong to the chemical group called prazols. In the synthesis scheme the thiosulphate appears as an impurity. We have determined its content with differential pulse polarography (DPP) and dropping mercury electrode (DME). Phosphate buffer pH 6,0 has been used as the supporting electrolyte. We have analysed six different real samples. We have validated the analytical method, determinated the linearity, accuracy, precision, repeatability, limit of detection, limit of quantification and stability. Thiosulphate traces were found in only two of the samples. We have concluded that this analytical method is appropriate and useful for the thiosulphate determination in pharmaceutical substances.
Keywords:voltammetry, polarography, differential pulse polarography, dropping mercury electrode, thiosulphate, prazols, validation, proton pump inhibitors.


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