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Title:VITAMIN C KOT INHIBITOR KOROZIJSKIH PROCESOV V KISLEM MEDIJU
Authors:ID Kondić, Tanja (Author)
ID Fuchs-Godec, Regina (Mentor) More about this mentor... New window
ID Petek, Aljana (Comentor)
Files:.pdf VS_Kondic_Tanja_2012.pdf (2,64 MB)
MD5: 83A9E7114F91F7B4A292850C23AC051D
PID: 20.500.12556/dkum/f5d041af-8c8a-444c-9b96-324487003710
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:V diplomskem delu smo proučevali korozijsko obnašanje nerjavnega jekla PROKRON 1 v različnih koncentracijah HCl (c = 0,01; 0,1; 1,0 M HCl), ter ob različnih dodatkih inhibitorja (c = 0,0005; 0,001; 0,005; 0,01 M). Pri eksperimentalnem delu smo uporabili samo eno vrsto inhibitorja, in sicer vitamin C. Meritve so bile opravljene s potenciodinamsko polarizacijsko metodo, kjer smo primerjali inhibitorni učinek izbranega inhibitorja v prisotnosti različnih koncentracij vitamina C in HCl. V zaključnem delu meritev je bilo ugotovljeno, da se vitamin C obnaša z dvojnim delovanjem, saj ponekod deluje kot inhibitor, ponekod pa kot aktivator.
Keywords:nerjavno jeklo, korozija, inhibitor, vitamin C, klorovodikova kislina
Place of publishing:Maribor
Publisher:[T. Kondić]
Year of publishing:2012
PID:20.500.12556/DKUM-38715 New window
UDC:620.193.4:577.164.2(043.2)
COBISS.SI-ID:16703510 New window
NUK URN:URN:SI:UM:DK:KWFQPXOO
Publication date in DKUM:16.10.2012
Views:2229
Downloads:251
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Secondary language

Language:English
Title:VITAMIN C AS AN INHIBITOR OF CORROSION PROCESSES IN AN ACID MEDIUM
Abstract:In this diploma work we studied corrosion behaviour of stainless steel PROKRON 1 in different concentrations of HCl (c = 0.01, 0.1, 1.0 M HCl), and the various additives inhibitor (c = 0.0005, 0.001, 0.005, 0.01 M). In experimental work, we used only one type of inhibitor, namely vitamin C. The measurements were made with the potentiodynamic polarization method, where we compared the inhibitory effect of selected inhibitor in the presence of various concentrations of vitamin C in HCl. Results show that Vitamin-C exhibits a dual character. In some cases it acts as corrosion inhibitor and in the other as an activator of corrosion processes (especially reduction of Fe3+ to Fe2+, which causes the breakdown of the formed passive layer.
Keywords:stainless steel, corrosion inhibitor, vitamin C, hydrochloric acid


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