oxidative degradation
Simultaneous Photo-Oxidative Degradation of EDTA and Extro-Oxidative Recovery of Copper from Industrial Effluents
... pH 1.5, 2.5, 3.5 and 4.5. The effects of EDTA, hydrogen peroxide and titanium dioxide on the recovery of copper and the electrooxidation of EDTA were, therefore, studied at pH 3.5 (the optimum value for the ...
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Stability indicating spectrophotometric methods for the simultaneous determination of Lornoxicam and its oxidative degradation product application to degradation kinetics and assay of pharmaceutical dosage forms
... oxidation-induced degradation product at 305 nm which represents a zero crossing for the intact ...the oxidative degradation of LOR. The degradation rate constant and half-life of LOR at room ...
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Hemin Based Biomimetic Oxidative Degradation of Acid Orange 7
... Degradation of dyes is an important environmental issue. In order to avoid the carcinogenic risks in anaerobic-aerobic biological process for wastewater containing azo dyes, a hemin based bio- mimetic ...
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Characterization of deposits formed on diesel injectors in field test and from thermal oxidative degradation of n-hexadecane in a laboratory reactor
... cycloalkanes. As the hydrogen abstraction by alkylperoxy and alkoxy radicals proceeds, the aromatic compounds progressively undergo condensation and polymerization to form large PAHs. The amount of oxygen supplied in ...
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DEVELOPMENT OF NOVEL STABILITY INDICATING HPLC METHOD AND CHARACTERIZATION OF OXIDATIVE DEGRADATION IMPURITY IN GRANISETRON DRUG SUBSTANCE
... Development and Optimization of LC Method: Related substance by HPLC method is available in Pharmacopeia which can able to separate the listed impurities and its degradation products. However, the mobile phase ...
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Stability Indicating Spectrophotometric Methods for the Determination of Oxetacaine in the Presence of Its Hydrolytic and Oxidative Degradation Products
... and oxidative degradation products show high degree of interference as shown in Figure ...its degradation products suggest the use of derivative ratio ...hydrolytic degradation products giving ...
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Photo-Oxidative Degradation of Polypropylene Nanocomposites - Effect of Incorporation of Additives on Performance Characteristics Kadambanathan. K, Chandrasekar. K, Muthukumaran. K
... photo-oxidative degradation of PP/nanocomposite films two different photo initiators; commercial grade ferrocene and iron ricinoleate (synthesized from castor oil) has been added to the nanocomposites ...
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Effect of Oxidative Degradation on Vegetable Oils and Its Estimation Using Different Methods
... to oxidative damage. During the process of oxidative rancidity undesirable changes are seen in oil composition making it unsafe for ...of oxidative degradation of oils and a sensor which could ...
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COMPARATIVE KINETICS STUDY OF THE THERMAL AND THERMO-OXIDATIVE DEGRADATION OF A POLYSTYRENE-CLAY NANOCOMPOZITE BY TGA AND DSC
... thermo-oxidative degradation of PS that assumes [19,27] the initial formation of hydroperoxide radicals whose decomposition determines the degradation at early ...the degradation rate becomes ...
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Monitoring Oxidative Degradation of Thermally Stressed Palm Olein Shortening by Spectroscopic and Chromatographic Techniques
... DOI: 10.4236/ojapps.2018.812048 599 Open Journal of Applied Sciences fatty acids (EFAs) [3] which possesses high calorific value and are rich in energy for examples, sunflower, soybean, canola and others. These oils are ...
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Oxidative Degradation of Phenol using in situ Generated Hydrogen Peroxide Combined with Fenton’s Process417-425
... after treatment with the diol catechol and oxalic acid as examples of degradation products of phenol (1000 ppm), both of which we have detected as reaction intermediates by HPLC, can be seen in Table I. It was ...
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OXIDATIVE DEGRADATION OF 2-CHLOROPHENOL BY PERSULFATE
... Similar results were observed by Liang et al. [2007] who investigated the influence of pH on persulfate oxidation of trichloroethylene at ambi- ent temperature. Ghauch et al. [2012a] reported that the optimum pH for ...
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Alkaline oxidative degradation of diphenylmethane structures: Activation energy and computational analysis of the reaction mechanism
... MMMP degradation pathway require less energy; (iii) the initial electrophilic at- tack by a hydroxyl radical is facilitated by the more electronegative phenolic hydroxyl oxygen; (iv) the course of the ...
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A Comparative Study On Gamma Radiolytic And Oxidative Degradation Of Aqueous Solution Of Methyl Violet 6B
... It is important from an application point of view to study the dependence of removal efficiency on the initial concentration of the dye. The effect of MV concentration on dye removal efficiency was investigated at ...
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Kinetic Study of the Oxidative Degradation of Choibá Oil (Dipteryx oleifera Benth ) with Addition of Rosemary Extract (Rosmarinus officinalis L )
... the oxidative stability of Choibá oil at 100˚C ± 1˚C with aeration (1150 mL air/min) supplemented with rosemary extract (Rosmarinus officinalis ...the degradation kinetics and shelf-life of Choibá oil at ...
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Doctor blade sol-gel deposition of a nano-composite copper-zinc oxide on borosilicate glass for advanced oxidative degradation of textille dye in water environment
... Photocatalytic degradation of azo dye M5B was performed on a homemade photochemical reactor. The light source was a 250 W high-pressure mercury lamp. All photochemical experiments were performed in air at room ...
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Oxidative degradation of Potassium Dioxalato Diaquo Chromate (III) by water soluble colloidal Manganese Dioxide in acid medium
... This oxidation process obeys pseudo 1st order kinetics with respect to colloidal MnO2, 1st order kinetics with respect to concentration of the complex and concentration of HClO4.. Key wo[r] ...
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Homogeneous Electro-Fenton Oxidative Degradation of Reactive Brilliant Blue Using a Graphene Doped Gas-Diffusion Cathode
... KN-R degradation at pH 3.0 are depicted in Fig. 6. Degradation rate undergoes a gradual acceleration when Fe 2+ concentration increases from 0 to ...
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Diffusion Controlled Oxidative Degradation of Un stabilised Polyethylene
... The changes in micro-hardness of the surface with degradation time show the saturation of mechanical properties. This must occur also for layers inside the sample in order to follow the progress of the ...
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The thermo-oxidative degradation of poly(4-methylstyrene) and its relationship to flammability
... introduce oxidative cross-links to poly(4-methylstyrene), via the para methyl group, by thermal oxidative treatment at 230°C, 250°C and 270°C in the absence of catalyst, leading to a material with markedly ...
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