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Synthesis and characterization of 2,6-pyridinedihydroxamic acid and its iron(III) complex / Suhana Misran
Published 2009“…The ¹H NMR spectra shows for 2,6-pyha, the presence of O-H resonance at 11.85 ppm, N-H resonance at 9.331 ppm and H resonance from disubstituted pyridine ring at 8.137 ppm.…”
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2
Determination of chemical constituents in the leaves of Murraya Koenigh / Nurul Azwin Usol Ghafli
Published 2009“…The structure of the compound was determined by means of the Gas Chromatography-Mass Spectrum (GC-MS), Fourier Transform Infrared (FTIR) and *H and l C Nuclear Magnetic Resonance (NMR). Two compounds identified as murrayanine as one of the carbazole alkaloid and a mixture of sterols which are sitosterol, campesterol and stigmasterol has been isolated.…”
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3
Extraction and elucidation of chemical constituents from the roots of Derris Elliptic A / Tengku Muzzabfarrullah Tengku Sham
Published 2008“…The pure compound were elucidated by the spectroscopic method; Nuclear Magnetic Resonance (NMR), Gas Chromatography - Mass Spectrometry (GC-MS), UV spectroscopy and Fourier Transform Infrared (FTIR). …”
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4
Synthesis, characterization and antioxidant study of Cu(II) and Ni(II) hydroxamic acid complexes / Syed Mohd Naqib Syed Zainal Abidin
Published 2009“…Unfortunately, both complexes have solubility problems in dimethylsulfoxide (DMSO), chloroform, water, methanol and acetone which have restricted them for nuclear magnetic resonance (NMR) characterization. In addition, it was found that both complexes exhibit paramagnetic behavior when magnetic susceptibility characterization was performed. …”
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5
Synthesis and characterization of 2-methyl-4- chlorophenoxyacetic acid (mcpa) by using ca-al layered double hydroxide (cal) / Zharif Haziq Shukor
Published 2017“…In this research, nanocomposites were synthesized and characterized using Powder X-Ray Diffraction (PXRD) and Attenuated Total Resonance Fourier Transform Infrared (ATR-FTIR). From PXRD results, the basal spacing of LDH shows an increase from 8.67 A to 8.72 A in Ca-Al LDH due to the insertion of anion MCPA into the interlayer region of Ca-Al LDH. …”
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6
Synthesis, characterization and antimicrobial activities of bidentate schiff base ligands / Mohamad Badrul Hakim Mohd Rosli
Published 2016“…Infrared and proton nuclear magnetic resonance spectroscopic data revealed that the ligands are N, O bidentate ligands. …”
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7
Effect on swept volume on cooling using pumping mechanism based device / Noor Aishah Rabion
Published 2016“…Result shows that at 500 Hz driving frequency has maximum amplitude which leads to resonance frequency of the piezo diaphragm. Furthermore, as the volume decrease, the heat transfer coefficient and the air velocity is increased. …”
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8
Effect of volume cavity at various distances for thermal cooling pumping jet device / Aizat Fadzli Ayob
Published 2017“…It given that 500 Hz is the resonance frequency that has maximum amplitude. Maximum temperature reduction was obtained at 50 mm distance. …”
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9
Experimental study on effects of nozzle shape and diameter on heat transfer using pumping mechanism device / Nor Maisarah Maswan
Published 2016“…As the conclusion, maximum heat transfer coefficient was at 500 Hz which is at resonance frequency and higher diameter nozzle has low heat transfer coefficient with low fluid velocity.…”
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10
Characterization of waterbased PU using different ratio MDI/PEG & effect on exposure to sunlight / Mohd Firkhry Fadhly Abdul Ghani
Published 2009“…When a hydroxyl group reacted with the NCO group, the resonance structure of the isocyanate group was destroyed. …”
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11
Synthesis, characterization and catalytic activity of palladium(ii)-1,3-bis(phenylmethyl) benzimidazolium bromide in heck reaction / Mohamad Azamuddin Mustakim
Published 2017“…The palladium catalyst has been successfully synthesized and characterized by using Fourier transform infrared (FTIR), 1 H and 13C nuclear magnetic resonance (NMR), UV-Vis spectroscopy and CHNS elemental analysis. …”
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12
The catalytic activity of palladium(ii)-1,3-bis[(4- nitrophenyl)methyl]-1-benzimidazolium bromide complexes in heck reaction / Nur Atikah Syahidah Rosli
Published 2017“…The compound of 1,3-bis[( 4-nitrophenyl)methyl]-1-benzimidazolium bromide and palladium(II)-1 ,3-bis[ ( 4-nitrophenyl)methyl]-1-benzimidazolium bromide complex were characterized by using Fourier Transfer Infrared (FTIR) and Nuclear Magnetic Resonance (NMR). The palladium(Il)-1,3-bis[( 4- nitrophenyl)methyl]-1-benzimidazolium bromide have been used as homogeneous catalyst which improves the catalytic activity in Heck reaction. …”
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13
Synthesis, characterisation and anti-corrosion screening of Ni(ii) n-methylcyclohexyldithiocarbamate and n-ethylcyclohexyldithiocarbamate complexes / Siti Raubbah Mohd Zamri
Published 2017“…Ni(II) N-methylcyclohexyldithiocarbamate, Ni[MeCycHexdtc]2 and Ni(II) N-ethylcyclohexyldithiocarbamates, Ni[EtCycHexdtc]2 complexes were synthesised through one-pot synthetic method at room temperature and have been characterised by using elemental analyser (CHNS), fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectroscopy, Ultraviolet-Visible (UV-Vis) spectroscopy, nuclear magnetic resonance (NMR) and molar conductivity. The stretching frequency of thioureide band, ν(C−⃛N) appeared at 1497 cm-1 for Ni[MeCycHexdtc]2 and 1484 cm-1 for Ni[EtCycHexdtc]2 while the stretching frequency of ν(C=S) has shifted to lower wavenumber as it changes from double bonding to partial bonding, ν(C−⃛S) at (1000±70 cm-1) when compared with the raw material. …”
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14
Synthesis, characterization and catalytic activity of pall adium(ii)-l,3-bis[(4-chl orophenyl)methyl]-1- benzimidazolium bromide complex in heck reaction / Nina Natasha Md Sani
Published 2017“…All products were characterized by Fourier Transform Infrared (FTIR), CHN elemental analysis, Nuclear Magnetic Resonance (NMR), Ultraviolet-Visible spectrophotometer (UV-Vis). …”
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