FTIR spectroscopy Articles
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Analyze wine using ATR-FTIR spectroscopy | Spectroscopy Solutions
Wine analysis using spectroscopy Within quality assurance and process monitoring practices, spectroscopy has been widely used for many years1. Increasingly spectroscopic techniques and advanced data processing are being adopted for authenticity testing.2 Such verification is particularly important in the wine industry, which provides a premium-priced commodity. The retail value of wine is ...
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Fast and simple identification of legal highs using FTIR spectroscopy
Legal highs are drugs that contain a variety of chemical ingredients, specifically manufactured to keep them off the list of controlled substances. Some of these ingredients are illegal, and some are not, making it challenging to classify these drugs. ATR spectrometer accessories are ideal for the analysis of such powdered samples. Legal highs are drugs that contain a variety of chemical ...
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Properties of CNT reinforced: PMMA nanocomposites and PMMA treated in NH3-gaseous atmospheric dielectric barrier discharge
Polymethylmethacrylate (PMMA) polymer is a common dental laboratory and clinical material attracting various applications in plastic and adhesive dentistry. In direct contact with cellular tissues, PMMA may have toxic and inflammable properties which may limit use in contact with living dental tissues. By reinforcing PMMA with carbon nanotube and dielectric Nitrogen doping (in ammonia ...
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Comparative in situ PET biodegradation assay using indigenously developed consortia
A soil burial test was carried out to evaluate the biodegradation of polyethylene terephthalate under natural environment for a period of six months in presence of three different indigenously developed bacterial consortia. These consortia comprised of potential polymer-degrading bacterial cultures isolated from various waste disposal sites. The comparative biodegradation of PET samples in ...
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Preparation and characterization of CTAB-HACC bentonite and its ability to adsorb phenol from aqueous solution
A novel type of adsorbent was prepared by modifying bentonite with N-2-hydroxypropyl trimethyl ammonium chloride chitosan (HACC) with cetyl trimethylammonium bromide (CTAB). The adsorbent was named CTAB-HACC bentonite. Its characteristics were investigated using thermogravimetric, Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction. The adsorption of phenol onto CTAB-HACC ...
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Synthesis and application of surface-modified NiFe nanoparticles as a new magnetic nano adsorbent for the removal of nickel ions from aqueous solution
Surface-modified magnetic Ni2.33Fe alloy nanoparticles were prepared using a hydrothermal method. Thermogravimetric analysis (TG) and Fourier transform infrared spectroscopy (FTIR) tests demonstrated that the surface was successfully modified by sodium citrate. The surface-modified particles can be used for removing nickel ions from aqueous solution. The adsorption kinetics studies were ...
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The adsorption and Fenton behavior of iron rich Terra Rosa soil for removal of aqueous anthraquinone dye solutions: kinetic and thermodynamic studies
Adsorption and advanced oxidation processes are being extensively used for treatment of wastewater containing dye chemicals. In this study, the adsorption and Fenton behavior of iron rich Terra Rosa soil was investigated for the treatment of aqueous anthraquinone dye (Reactive Blue 19 (RB19)) solutions. The impact of pH, initial dye concentration, soil loading rate, contact time and ...
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Removal of Hg(II) from aqueous solution using sodium humate as heavy metal capturing agent
An environmental friendly and economic natural biopolymer-sodium humate (HA-Na) was used to capture Hg(II) from aqueous solutions, and the trapped Hg(II) (HA-Na-Hg) was then removed by aluminium coagulation. The best Hg(II) capturing performance (90.60%) was observed under the following conditions: initial pH of 7.0, coagulation pH of 6.0, HA-Na dosage of 5.0 g L−1, Al2(SO4)3.18H2O dosage of ...
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Adsorption of methylene blue by using novel chitosan-g-itaconic acid/bentonite nanocomposite – equilibrium and kinetic study
In this study, novel chitosan-g-itaconic acid/bentonite (CTS-g-IA/BT) and chitosan/bentonite (CTS/BT) nanocomposites were synthesized for adsorption of methylene blue (MB) from aqueous solution. The process was pH-sensitive and maximum sorption was obtained at pH 6 (CTS-g-IA/BT) and 7 (CTS/BT) in 76 h agitation time using 0.03 g of nanocomposites for 50 mL of MB solution. The results showed ...
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Structural, optical and photo catalytic properties of Cu–doped ZnO nanoparticles synthesised by co–precipitation method
In this work, co–precipitation method was utilised to synthesise Cu–doped ZnO nanoparticles using zinc nitrate (Zn(NO3)2·6H2O), and copper(II) nitrate trihydrate (Cu(NO3)2·3 H2O) as starting precursors for Zn and Cu sources, respectively. Structural and physical properties of as–prepared powders were examined by X–ray diffraction (XRD), field–emission scanning electron microscopy (FESEM), Fourier ...
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What do I need to start FTIR analysis? | Spectroscopy Guides
Specac has been a valued supplier of accessories of FTIR spectrometer accessories for over 45 years. Using this considerable experience, we have created a range of FTIR Starter Kits, based around our range of proven accessories. Each FTIR Starter Kit is the result of combining modular application packs to form a kit that meets the specific needs of the user – and is configured to include ...
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Preparation of cationic starch microspheres and study on their absorption to anionic-type substance
Cationic starch microspheres (CSMs) were prepared from lab-made neutral starch-based microspheres using a cationic adsorbent, namely 3-chloro-2-hydroxypropyltrimethyl ammonium chloride, as the cationic etherifying agent. Detection by scanning electron microscopy, Fourier transform infrared spectroscopy (FTIR), and laser diffraction techniques revealed that CSMs had coarse surfaces with good ...
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Biodegradation of palmarosa oil (green oil) by Serratia marcescens
Biodegradation of oil depends on the nature of the oil, the type of microbial community and a variety of environmental factors. Green oils are being used as consumer goods and as raw materials in industries such as food processing, pharmaceutical and cosmetic. Microbial contaminations of green oils have been the cause of degradation problems. Serratia Marcessens produced cytochrome oxidase, ...
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Photocatalytic degradation of Direct yellow 86 diazo dye using sulfanilic acid-modified TiO2 in aqueous suspensions
This study synthesized sulfanilic acid (SA)-modified TiO2 nanocomposites and used them as an effective photocatalyst for Direct yellow 86 diazo dye removal from aqueous solution. This novel nanocomposite (SA/TiO2) was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy and X-ray diffraction. The results showed the formation of SA/TiO2 nanocatalyst. ...
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Hydrogeochemical and biological processes affecting the long-term performance of an iron-based permeable reactive barrier
Received for publication November 29, 2007. Despite the wide diffusion of zero-valent iron (Fe0) permeable reactive barriers (PRBs), there is still a great uncertainty about their longevity and long-term performance. The aim of this study is to investigate the biological and the hydrogeochemical processes that take place at a Fe0 installation located in Avigliana, Italy, and to derive some ...
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Webinar: Sample Preparation for XRF, FTIR & more | Spectroscopy Guides
Watch our webinar on sample preparation in the fields of FTIR, XRF and more. Will Campbell explores various techniques in this webinar, originally hosted live by Select Science. XRF spectroscopy and FTIR spectroscopy is covered, along with other uses for sample preparation equipment. Tips on sample preparation and then a Q/A session also features. Equipment/supplies mentioned includes: ...
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Study of the effect of an acid treatment of a natural Moroccan bentonite on its physicochemical and adsorption properties
In this study, a natural bentonite taken from a deposit in the Northeast of Morocco has been purified (PB) and treated with various HCl molarities (xHPB) in order to obtain an HCl/Bentonite weight ratio equal to 0.2, 0.4 and 0.6. The obtained physicochemical characterization results indicated that the PB sample is composed mainly of the montmorillonite phase. The impact of acid treatment was ...
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Reducing NOx in Diesel Emissions | Spectroscopy Solutions
Air pollution and NOx emissions from diesel engines are a global concern due to their potential impacts on human health. Researchers worldwide are developing new and improved methods to reduce NOx emissions. Infrared spectroscopy in the gas phase, which is made possible using FTIR gas cells from Specac, has an important role to play in this research. It is estimated that 3 million people die ...
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Polymer measurement using FTIR Polarizers | Spectroscopy Solutions
Polymers have become ubiquitous with the modern age to such a point that almost any multi-component product will have some polymer content. From cars to kitchen appliances and windows to airplanes, each one will contain multiple polymers each with its own specific properties and functions. This makes their analysis an important for quality control processes, and IR polarisers are an essential ...
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Adsorption of tetracycline from water using glutaraldehyde-crosslinked electrospun nanofibers of chitosan/poly(vinyl alcohol)
In this work, the preparation and characterization of glutaraldehyde-crosslinked electrospun nanofibers of chitosan/poly(vinyl alcohol) (GCCPN) as a new adsorbent for tetracycline (TC) is reported. Electrospun nanofibers of chitosan/poly(vinyl alcohol) (PVA) were prepared by employing a 75:25 volumetric ratio of chitosan:PVA, voltage of 30 kV, collection distance of 10 cm, and injection flow ...
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