Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli
Synthesis of Schiff base ligand N,N-Bis (4 chlorobenzaldehyde)- o - phenylenediamine (cbopd) derived from o-phenylenediamine with 4 chlorobenzaldehyde and its complex Manganese (II) N,N-Bis (4-chlorobenzal dehyde)- o -phenylenediamine dichloride dihydrate, [Mn(cbopd)].2H2O was successfully done via...
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| Format: | Student Project |
| Language: | English |
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Faculty of Applied Sciences
2017
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| Online Access: | http://ir.uitm.edu.my/id/eprint/25360/ http://ir.uitm.edu.my/id/eprint/25360/1/PPb_NOR%20AMIZA%20CHE%E2%80%99ZAMBELI%20AS%20N%2017_5.pdf |
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uitm-253602019-09-11T02:25:39Z http://ir.uitm.edu.my/id/eprint/25360/ Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli Che’Zambeli, Nor Amiza Schiff bases Synthesis of Schiff base ligand N,N-Bis (4 chlorobenzaldehyde)- o - phenylenediamine (cbopd) derived from o-phenylenediamine with 4 chlorobenzaldehyde and its complex Manganese (II) N,N-Bis (4-chlorobenzal dehyde)- o -phenylenediamine dichloride dihydrate, [Mn(cbopd)].2H2O was successfully done via condensation reaction. The color of the ligand and complex formed were yellowish and brownish precipitates respectively. Both of the cbopd and [Mn(cbopd)].2H2O were characterized by using Fourier Transform Infrared (FT-IR) and Ultraviolet-Visible (UV-Vis) spectroscopy, elemental analyses, molar conductivity measurement and melting point determination. The elemental analyses revealed the actual value of the compounds obtained are quite different with theoretical value. Based on the FT-IR spectrum of ligand, several peaks appeared at 1607 cm-1, 3047 cm-1, 1492 cm-1, 830 cm-1 and 729 cm-1 have confirmed the presence of these major functional groups (C=N, =C-H, C=C, para-disubstituted and Ar-Cl) in the compound. Meanwhile, some of the peaks were shifted and a new peak were observed at 527 cm-1 in the FT-IR spectrum of [Mn(cbopd)].2H2O indicates formation of M-N bond. The melting point of cbopd and [Mn(cbopd)].2H2O were 176 °C and 230 °C respectively while molar conductance of [Mn(cbopd)].2H2O is 22.4 S cm-1. For the UV-Vis, there are absorption peaks at 212 nm and 238 nm attribute to π–π* and 300 nm were attribute to n–π* for the free ligand while in the complex, the bands for n–π* electronic transitions was shifted to 320 nm and a new peak were found at 370 nm indicates ligand to metal charge transfer (LMCT). Next, both cbopd and [Mn(cbopd)].2H2O were used as a corrosion inhibitor for the mild steel immersed in three different concentrations of hydrochloric acid for 48 hours at 50 °C. Generally, inhibition efficiency was found to be higher when the concentration of inhibitor increased and [Mn(cbopd)].2H2O was found to be a better corrosion inhibitor than free ligand, cbopd. Faculty of Applied Sciences 2017 Student Project NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/25360/1/PPb_NOR%20AMIZA%20CHE%E2%80%99ZAMBELI%20AS%20N%2017_5.pdf Che’Zambeli, Nor Amiza (2017) Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli. [Student Project] (Unpublished) |
| repository_type |
Digital Repository |
| institution_category |
Local University |
| institution |
Universiti Teknologi MARA |
| building |
UiTM Institutional Repository |
| collection |
Online Access |
| language |
English |
| topic |
Schiff bases |
| spellingShingle |
Schiff bases Che’Zambeli, Nor Amiza Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli |
| description |
Synthesis of Schiff base ligand N,N-Bis (4 chlorobenzaldehyde)- o - phenylenediamine (cbopd) derived from o-phenylenediamine with 4 chlorobenzaldehyde and its complex Manganese (II) N,N-Bis (4-chlorobenzal dehyde)- o -phenylenediamine dichloride dihydrate, [Mn(cbopd)].2H2O was successfully done via condensation reaction. The color of the ligand and complex formed were yellowish and brownish precipitates respectively. Both of the cbopd and [Mn(cbopd)].2H2O were characterized by using Fourier Transform Infrared (FT-IR) and Ultraviolet-Visible (UV-Vis) spectroscopy, elemental analyses, molar conductivity measurement and melting point determination. The elemental analyses revealed the actual value of the compounds obtained are quite different with theoretical value. Based on the FT-IR spectrum of ligand, several peaks appeared at 1607 cm-1, 3047 cm-1, 1492 cm-1, 830 cm-1 and 729 cm-1 have confirmed the presence of these major functional groups (C=N, =C-H, C=C, para-disubstituted
and Ar-Cl) in the compound. Meanwhile, some of the peaks were shifted and a new peak were observed at 527 cm-1 in the FT-IR spectrum of [Mn(cbopd)].2H2O indicates formation of M-N bond. The melting point of cbopd and
[Mn(cbopd)].2H2O were 176 °C and 230 °C respectively while molar conductance of [Mn(cbopd)].2H2O is 22.4 S cm-1. For the UV-Vis, there are absorption peaks at
212 nm and 238 nm attribute to π–π* and 300 nm were attribute to n–π* for the free ligand while in the complex, the bands for n–π* electronic transitions was shifted
to 320 nm and a new peak were found at 370 nm indicates ligand to metal charge transfer (LMCT). Next, both cbopd and [Mn(cbopd)].2H2O were used as a corrosion inhibitor for the mild steel immersed in three different concentrations of hydrochloric acid for 48 hours at 50 °C. Generally, inhibition efficiency was found to be higher when the concentration of inhibitor increased and [Mn(cbopd)].2H2O was found to be a better corrosion inhibitor than free ligand, cbopd. |
| format |
Student Project |
| author |
Che’Zambeli, Nor Amiza |
| author_facet |
Che’Zambeli, Nor Amiza |
| author_sort |
Che’Zambeli, Nor Amiza |
| title |
Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli |
| title_short |
Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli |
| title_full |
Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli |
| title_fullStr |
Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli |
| title_full_unstemmed |
Synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / Nor Amiza Che’Zambeli |
| title_sort |
synthesis, characterizations and anti-corrosion screening of schiff base ligand with its mn(ii) complex / nor amiza che’zambeli |
| publisher |
Faculty of Applied Sciences |
| publishDate |
2017 |
| url |
http://ir.uitm.edu.my/id/eprint/25360/ http://ir.uitm.edu.my/id/eprint/25360/1/PPb_NOR%20AMIZA%20CHE%E2%80%99ZAMBELI%20AS%20N%2017_5.pdf |
| first_indexed |
2023-09-18T23:14:35Z |
| last_indexed |
2023-09-18T23:14:35Z |
| _version_ |
1777419026537906176 |