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2021, vol. 62, br. 4, str. 316-332
Sinteza dva supramolekularna koordinaciona polimera i elektrohemijska procena njihovog učinka inhibicije korozije na koroziju ugljeničnog čelika u kiseloj sredini
aMansoura University, Faculty of Science, Department of Chemistry, Mansoura, Egypt
bTanta University, Faculty of Science, Department of Chemistry, Tanta, Egypt

e-adresaasfouda@hotmail.com
Ključne reči: supramolekularni koordinacioni polimeri; kisela korozija; ugljenični čelik; Henrijeva izoterma; EIS
Sažetak
Efekat SCPs-[CuII(en)2] [CuI (CN)2]2. H2O (SCP1) i {[H2DAB] [Cu4(CN)6].2H2O} (SCP2) kao inhibitori korozije za ugljenični čelik (CS) proučavani su u 1,0 M rastvoru HCl. Kako se doza sintetizovanog inhibitora povećava, produktivnost inhibicije (%n) raste dostižu i 90,3% i 89,9% pri dozi od 21x10-6M za SCP2 i SCP1, respektivno. Ovaj rezultat je dokazan gubitkom mase (ML) ispitivanim na tri različitih temperatura 25-35-450C, dok su potenciodinamička polarizacija (PP), spektroskopija elektrohemijske impedanse (EIS) i tehnika elektrohemijske modulacije frekvencije (EFM) testirani na 25°C. Sintetizovani inhibitori adsorbovani na površini CS fizički dozvoljavaju i Henrijevu izotermu. Rezultati su pokazali da su sintetisani inhibitori odlični i da je njihov (%n) značajno povećan povećanjem doze i smanjen povećanjem temperature. Polarizacione krive su pokazale da sintetisani inhibitori deluju kao mešoviti tip. Termodinamički parametri su izračunati i diskutovani. Zaštita je potvrđena stvaranjem tankog filma inhibitora taloženog na površini CS.
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O članku

jezik rada: engleski
vrsta rada: naučni članak
DOI: 10.5937/zasmat2104316F
primljen: 03.08.2021.
revidiran: 27.09.2021.
prihvaćen: 06.10.2021.
objavljen u SCIndeksu: 28.12.2021.
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