نتایج جستجو برای: fourier transform infrared spectroscopy ftir

تعداد نتایج: 369652  

Journal: :journal of physical & theoretical chemistry 2013
a. nouri a. fakhri arezu nouri

metal oxides play a very important role in many areas of chemistry, physics and materials science.the metal elements are able to form a large diversity of oxide compounds. in this investigation, wesynthesis sno2 and c,n,s-tridoped sno2 nanoparticles by precipitation method. the synthesizedsno2 and c,n,s-tridoped sno2 nanoparticles were characterized by instrumental analysis methods,such as x-ra...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

znfe2o4 mixed spinel ferrite nanoparticles obtained through a citrate-nitrate combustion method. ignited products calcined at different temperatures in 600-900ºc range and effect of calcination treatment temperature investigated. final products characterized by x-ray diffraction (xrd), fourier-transform infrared spectroscopy (ftir), and field emission scanning electron microscopy (fesem). the a...

A. Jegan. A. Ramasubbu K. Karunakaran S. Vasanthkumar,

A novel zinc oxide - agar nanocomposite was successfully synthesized using zinc chloride as a precursor. The nanocomposite was prepared using a domestic microwave oven. The prepared nanocomposites have been characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD) analysis, scanning electron microscopy (SEM) and UV- visible spectroscopy. The crystalline properties...

Journal: :Toxicology 2015
Blessing E Obinaju Nigel J Fullwood Francis L Martin

Exposure to chemicals such as benzo[a]pyrene (B[a]P) can generate intracellular toxic mechanisms. Fourier-transform infrared (FTIR) spectroscopy is a novel approach that allows the non-destructive analysis of underlying chemical bond alterations in patho-physiological processes. This study set out to examine whether B[a]P-induced whole cell alterations could be distinguished from effects on nuc...

2015
Wenying Jin Chayan Wan Cungui Cheng

The attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR) was employed to acquire the infrared spectra of Radix Bupleuri and its unofficial varieties: the root of Bupleurum smithii Wolff and the root of Bupleurum bicaule Helm. The infrared spectra and spectra of Fourier self-deconvolution (FSD), discrete wavelet transform (DWT), and probability neural network (PNN) of t...

2008
A. Gorassini P. Calvini A. Baldin

The evolution of papermaking from XII century, in Europe, was characterized by continuous changes of fibrous and non-fibrous materials as cellulose, wood pulp, sizing agents, fillers and coatings. In this study, the composition of many ancient paper documents is analysed by means of non-destructive Fourier Transform Infrared Spectroscopy (FTIR) in order to identify the main components of paper ...

2015
Kunal Kishor Ritula Thakur

This paper presents the review on different types of milk adulteration based upon conventional method. A straight forward and quick strategy for measurement of milk adulteration has been developed using mid-infrared (MIR) spectrometers. Milk samples was purchased from local supermarkets and spiked with tap water, hydrogen peroxide, glucose, urea and formaldehyde in different concentrations in m...

Journal: :Journal of Physics D 2021

Abstract Operando attenuated total reflection Fourier-transform infrared (ATR-FTIR) spectroscopy is discussed in this paper for water splitting application. The first part of the focuses on discussion opportunities and challenges method characterization solid-liquid interface splitting. second recent results future perspectives. We present stable robust operando ATR-FTIR measurements using low ...

A. A. Mir A. R. Nikkaran M. Nejati-Yazdinejad, N. Mir,

The purpose of the current research is investigating the phenylalanine removal by using magnetic nanoparticles (Fe3O4) from water samples. The effect of pH, contact time and phenylalanine concentration on phenylalanine adsorption efficiency by magnetite nanoparticles are studied in a batch system. Transmission electron microscopy (TEM), X-ray Diffraction Patterns (XRD) and...

A. Jegan. A. Ramasubbu K. Karunakaran S. Vasanthkumar,

A novel zinc oxide - agar nanocomposite was successfully synthesized using zinc chloride as a precursor. The nanocomposite was prepared using a domestic microwave oven. The prepared nanocomposites have been characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD) analysis, scanning electron microscopy (SEM) and UV- visible spectroscopy. The crystalline properties...

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