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1941
Studies on structural and ionic transport in biopolymer electrolytes based on alginate-LiBr
Published 2019“…The structural and ionic conduction of SBEs were conducted to correlate the effect of LiBr in alginate by means of Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), scanning electron microscope (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and impedance spectroscopy. …”
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Article -
1942
Development of bearing fault detection system based on vibration signal
Published 2017“…But with skills developed in handling error, we can minimize the unwanted vibration signal. 5 sets of bearing are used for this research which includes 3 defected bearings in which we tested those bearings for analysis by using Fast Fourier Transform (FFT). The initial vibration signal received in which was conducted for the healthy bearing, is used as a benchmark to compare with the defected bearing’s vibration signal. …”
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Research Report -
1943
An investigation of a catalytically-ignited autothermal reformer pre-heating system for hydrogen production for cell powered vehicle
Published 2008“…Catalyst characteristic was analysed using Fourier Transform Infrared (FTIR) spectroscopy and Scanning Electron Micrograph (SEM). …”
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Research Report -
1944
Comparison of graphene oxide properties synthesized by electrochemical exfoliation and hummers’ method
Published 2022“…It also discussed the characterization results of GO using of X-ray diffraction (XRD), scanning electron microscopy (SEM), Energy Dispersive X-Ray (EDX) and Fourier transform infrared spectroscopy (FTIR).…”
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Conference or Workshop Item -
1945
Regenerated cellulose from oil palm empty fruit bunch using ionic liquids mixture
Published 2022“…The morphology, structural, and mechanical properties of regenerated cellulose filament (RCF) were characterized by scanning electron microscope (SEM), optical microscopy, Fourier-transform infrared spectroscopy (FTIR), thermal gravimetric analysis (TGA) and tensile machine. …”
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Article -
1946
Evaluation of mechanical and thermal properties of carrageenan/hydroxypropyl methyl cellulose hard capsule
Published 2022“…The downfield movement from around 3.20 ppm of the carrageenan proton to 3.33 ppm in the proton nuclear magnetic resonanance ( 1H-NMR) spectrum suggests the formation of intermolecular hydrogen bonding between carrageenan and HPMC, which correlates to the results of Fourier-transform infrared spectroscopy (FTIR) and zeta potential. …”
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Article -
1947
FTIR characterization of polysaccharides of pineapple waste
Published 2022“…Thus, this study is to examined the characterization of polysaccharide from different sources of pineapple wastes including leaves, peel, pomace and stem. Fourier- transform infrared spectroscopy (FTIR) was used to characterize the polysaccharide compound in sample extracts as it is a well-established technique which has been widely applied in polysaccharide structural analysis. …”
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Conference or Workshop Item -
1948
Removal of lignin from meranti wood sawdust for enhances enzymatic hydrolysis and production of sugar alcohol
Published 2012“…Furthermore, the characterization of meranti wood sawdust, glucose and sugar alcohol also respectively being discussed and that characterization was being obtained from Fourier Transform Infrared (FTIR), Ultraviolet Visible Spectroscopy (UV-VIS) and Scanning Electron Microscopic (SEM). …”
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Thesis -
1949
The effects of additives on anti-wear properties of lubricating grease formulated from waste engine oil
Published 2022“…The greases were formulated using a weight percentage ratio with and without the addition of additives before the attributes of consistency, FTIR (Fourier transform infrared spectroscopy), and anti-wear analysis were conducted. …”
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Article -
1950
Ethanolic mangifera indica leaves extract as green corrosion inhibitor
Published 2023“…The as-prepared MI extract analyzed by UV-Vis Spectrophotometer shows a shoulder peak at about 370 nm, resulting from the π → π* and n → π* electronic transition of aromatic C=C and carbonyl (C=O) functional groups. A Fourier transform infrared spectroscopy (FTIR) found that the MI extract exhibits aromatic C=C, C=O groups of phenolic compounds, C-OH, and C-O stretching vibrations. …”
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Article -
1951
Studies on the effect of H+ carrier toward ionic conduction properties in alginate-ammonium sulfate complexes–based polymer electrolytes system
Published 2022“…The present work highlights the contribution of ammonium sulfate (NH4)2SO4 as H+ carriers in alginate-based solid polymer electrolytes (SPEs) that were successfully prepared via a solution casting technique. The Fourier transform infrared analysis revealed that molecular interactions between the host polymer and the ionic dopant complexes occurred at the wavenumbers 3700–2500 cm-1, 1800–1500 cm-1, and 1200–900 cm-1. …”
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Article -
1952
Ethanolic Mangifera Indica Leaves Extract as Green Corrosion Inhibitor
Published 2023“…The as-prepared MI extract analyzed by UV-Vis Spectrophotometer shows a shoulder peak at about 370 nm, resulting from the π → π* and n → π* electronic transition of aromatic C=C and carbonyl (C=O) functional groups. A Fourier transform infrared spectroscopy (FTIR) found that the MI extract exhibits aromatic C=C, C=O groups of phenolic compounds, C-OH, and C-O stretching vibrations. …”
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Article -
1953
Effect of methacrylic acid monomer on UV-grafted polyethersulfone forward osmosis membrane
Published 2023“…The membrane surface modification was also confirmed by the data collected from other techniques, such as atomic force microscopy (AFM), field emission-scanning electron microscope (FESEM) and Fourier-transform infrared spectroscopy–attenuated total reflectance (FTIR–ATR). …”
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Article -
1954
Ionic transport study of hybrid gel polymer electrolyte based on PMMA-PLA incorporated with ionic liquid
Published 2023“…The complexes of the HGPEs with different BmimCl contents were characterized via Fourier transform infrared (FTIR) and X-ray diffraction (XRD) analysis. …”
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Article -
1955
Waste to Product: Potential of Mg-Rich Gypsum Additive for Improvement of Peat Soil
Published 2023“…The optimum combination of the additives into the soil was further examined by physicochemical properties by analytical techniques such as pH, scanning electron microscopy (SEM), X-ray fluorescence (XRF), and Fourier transform infrared spectroscopy (FTIR). This technical paper is more on comparison of theoretically analyzing the characteristics of peat and gypsum that have the potential to be strongly mixed and improve the characteristics of peat soil. …”
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Conference or Workshop Item -
1956
Enhanced hydrophobic performance of UV-curable palm oil polyurethane by fluoroacrylate monomer
Published 2023“…Driven by the versatility of crosslinked complex network formed by the reaction of double bonds during photopolymerization, ultraviolet (UV) curable palm oil polyurethane (POPU) was modified by the addition of fluoroacrylate monomer to increase its hydrophobicity properties. Fourier transform infrared spectroscopy showed a successful attachment of the fluoro group to POPU. …”
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Article -
1957
Nanocellulose-based adsorbent from pandan leaves for copper ions removal from wastewater
Published 2023“…Scanning electron microscope (SEM), Fourier Transform Infrared (FTIR) spectroscopy, and X-Ray Diffractor (XRD) were employed to evaluate the morphology and functionality of the adsorbent surface, as well as its crystallinity. …”
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Thesis -
1958
Improvement of electrical properties of CMC-PVA doped with various contents of LiNO3 as an application for hybrid polymer electrolytes
Published 2021“…The structural analysis was conducted by using Fourier transform infra-red spectroscopy and showed the interaction between the blend host polymer and ionic dopant, which formed via the coordinating site of CMC-PVA and Li+-NO3−. …”
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Article -
1959
Microcontroller-Based Spectrum Analyzer System
Published 2022“…Spectrum analyzer for 32-band audio signal spectrum generally integrated in a set of audio system devices that are relatively expensive and not separated, even though not all features of the audio analyzer are used. Fast Fourier Transform (FFT) implemented in this spectrum analyzer. …”
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Undergraduates Project Papers -
1960
Mechanical, thermal, and morphological properties of poly(lactic acid) (PLA)/ recycled tyre rubber waste compatibilised with chain extender
Published 2023“…These blends are then analyzed using a range of characterization techniques, including Fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC), scanning electron microscopy (SEM), tensile testing, and notched Izod impact testing. …”
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