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- W3176078293 abstract "The phenomenon of corrosion during cleaning, acid pickling, and other activities that using acid media have gave a huge loss to industry. The presence of ligand and metal complex in the acid media as an inhibitor can counter the problem with a lower cost. There is not much of study on the compound of N,N’-bis[2- hydroxyacetophenone]ethylenediamine (OAcPh-en) and Manganese(II) complex (Mn(OAcPh-en)) as a corrosion inhibitor. The ligand and complex has been synthesized under an acidic condition by reflux method and has been characterized by elemental analysis, molar conductivity, IR, and UV-Vis spectroscopy. The molar conductivity of the metal complex is 7.4 ohm-1cm2 mol-1 thus it is non-electrolyte compound. While for IR of the OAcPh-en with the main functional groups O-H, C=N and C=C giving out the absorption frequency at 3392, 1609 and 1573 cm-1 respectively and for Mn(OAcPh-en), the absorption frequency is shifted to the lower frequency, while the OH absorption disappear showing the coordination of the metal centre with nitrogen and phenolic oxygen. For UV-Visible results showed that LMCT transition is at 390 nm. The corrosion inhibition characteristics have been analysed by immersion of a mild steel in 1.0 M acid medium for 24 hours. The presence of the heteroatom and also the interaction between π electrons and d orbital of the metal ion also give the benefit to the Mn(OAcPh-en) complex to protect better than OAcPh-en ligand and become a good inhibitor. The results shows the percentage of inhibition efficiency was increased with the increased in inhibitor concentration in the acid solutions. Specifically, both the inhibition efficiency of the OAcPh-en and Mn(OAcPh-en) generally very high however, the Mn(OAcPh- en) complex giving better inhibition results compared to the OAcPh-en." @default.
- W3176078293 created "2021-07-05" @default.
- W3176078293 creator A5002563446 @default.
- W3176078293 date "2017-01-01" @default.
- W3176078293 modified "2023-09-27" @default.
- W3176078293 title "Synthesis, characterization and anti-corrosion screening of schiff base ligand and manganese(II) complex / Noor Suriati Zakaria" @default.
- W3176078293 hasPublicationYear "2017" @default.
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