Ftir Characterization
Ftir Characterization - Related Videos
10:06
Characterization Of Multi-layered Fish Scales (Atractosteus spatula) Using Nanoindentation, X-ray CT, FTIR, and SEM
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Cited by 15 •
2014
This paper presents the methods used for probing spatially correlated chemical, structural, and mechanical properties of the multilayered scale of Atractosteus spatula (A. spatula) using nanoindentation, Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and X-ray computed tomography (X-ray CT). The experimental results have been used to investigate the design principles of protective biological materials.
08:18
Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery
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Cited by 3 •
2016
A protocol for the electrochemical testing of an aprotic Li-O2 battery with the preparation of electrodes and electrolytes and an introduction of the frequently used methods of characterization is presented here.
10:41
Characterization of Magnetic Components
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2023
Source: Ali Bazzi, Department of Electrical Engineering, University of Connecticut, Storrs, CT. The objective of this experiment is to achieve hands-on experience with different magnetic components from design and material perspectives. This experiment covers B-H curves of magnetic material and inductor design through identifying unknown design factors. The B-H curve of a magnetic element, such as an inductor or transformer, is a characteristic of the magnetic material forming the core around...
10:24
A Method for Characterizing Embryogenesis in Arabidopsis
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Cited by 11 •
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This protocol outlines a method for observing embryogenesis in Arabidopsis via ovule clearance followed by the inspection of embryo pattern formation under a microscope.
11:38
In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework
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Cited by 14 •
2020
The use of FTIR spectroscopy for investigation of the surface properties of polycrystalline solids is described. Preparation of sample pellets, activation procedures, characterization with probe molecules and model studies of CO2 adsorption are discussed.
FAQs
Stretching changes the distance between bonded atoms, whereas bending changes the angle between them. These motions absorb different infrared frequencies, producing bands associated with particular chemical bonds and functional groups. Examining the collection of bands, rather than a single feature, helps chemists relate a spectrum to molecular structure and evaluate whether a material contains the expected chemical components.
A compound produces a combination of absorption features that reflects its molecular structure, so the complete spectrum provides more information than one isolated band. This pattern functions as a molecular fingerprint and can support compound identification by showing whether the observed chemical-bond signals are consistent with the expected material. The same information can also help assess sample purity.
The infrared beam may pass through a sample or interact with its surface by reflection before the instrument records the absorption response. These measurement paths provide alternative ways to analyze materials, depending on how the sample can be examined. The choice is especially relevant when direct passage through the sample is not the most practical arrangement, while still preserving structural information.
A typical workflow places the sample in a configuration that allows infrared light to pass through or reflect from it, records the absorbed frequencies, and examines the resulting spectrum. Chemists then interpret bands associated with bond vibrations and functional groups, using the overall pattern to evaluate identity, composition, or chemical changes. Minimal preparation can make this workflow rapid and convenient.
The method supports chemical analysis across a broad range of materials, including organic and inorganic substances, polymers, pharmaceuticals, and reaction products. This breadth allows researchers to investigate both molecular compounds and larger material systems using the same type of vibrational information. Applications may include confirming expected components, checking purity, or examining structural features in a newly produced sample.
Spectra collected from reaction materials or products can reveal changes in the chemical-bond and functional-group signals present in the sample. Comparing these patterns helps researchers follow the appearance, disappearance, or alteration of structural features as a reaction proceeds. The approach is also useful for examining reaction products and obtaining rapid, nondestructive information with limited sample preparation.