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040 _aEG-GiCUC
_beng
_cEG-GiCUC
041 0 _aeng
049 _aDeposite
097 _aPh.D
099 _aCai01.12.11.Ph.D.2021.Sa.E
100 0 _aSabreen Abdullah Baioumy Elsayed
245 1 0 _aElectrochemical corrosion behavior of cooking utensils in aqueous solutions /
_cSabreen Abdullah Baioumy Elsayed ; Supervised Amany Mohamed Fekry
246 1 5 _aالسلوك الكهروكيميائى التأكلى لأوانى الطهى فى المحاليل المائية
260 _aCairo :
_bSabreen Abdullah Baioumy Elsayed ,
_c2021
300 _a126 P. :
_bcharts , facsimiles ;
_c25cm
502 _aThesis (Ph.D.) - Cairo University - Faculty of Science - Department of Physical Chemistry
520 _aThis work has been established to show the preferential utilizing of stainless steels and ceramics commercial utensils synthesized by the most popular company and broadly spread in Egypt for food interaction. The X-ray fluorescence (XRF) technique was utilized to know the elemental composition of manufactured commercial products by a local company and Release assessments after immersion for 2 days, at different pH values and/or at different temperatures in universal buffer solution before and after treatment with nano-coating.The effects of GO/CS and AgNPs/GO/CS coatings on the corrosion behavior of stainless steel and ceramic were studied by electrochemical measurements and immersion tests. The influences of pH, temperature and surface modification on the corrosion protection performance of stainless steel were investigated in universal buffer.The cyclic voltammetry and impedance spectra were recorded and the equivalent electric circuits were developed. Polarization curves demonstrated that AgNPs/GO/CS nano-coating acted as a mixed-type inhibitor and gives the highest protection efficiency (PE) on both studied alloys. The experimental data allow evaluating the corrosion parameters such as the corrosion potential and corrosion current density in addition to calculate the efficiency of the two coatings used in the improvement of the alloy resistance to corrosion in different media
530 _aIssued also as CD
653 4 _aAg nanoparticle
653 4 _aChitosan
653 4 _aGraphene oxide
700 0 _aAmany Mohamed Fekry ,
_eSupervisor
856 _uhttp://172.23.153.220/th.pdf
905 _aNazla
_eRevisor
905 _aShimaa
_eCataloger
942 _2ddc
_cTH
999 _c81586
_d81586