Alkaline hydrolysis
ACID AND ALKALINE HYDROLYSIS TECHNOLOGIES FOR BIOETHANOL PRODUCTION: AN OVERVIEW
... develop hydrolysis technologies that are capable of recovering sugars effectively and efficiently (Geetha et ...acid hydrolysis achieves a sugar yield of 50–70%. and alkaline hydrolysis ...
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Detection of ampicillin, its sodium salt and alkaline hydrolysis products by MALDI-TOF Mass Spectrometry
... spectrometry methods, such as MALDI-TOF, detect mass shifts in the molecule we are following-up. To detect bacteria having beta- lactamase enzymes by MALDI-TOF, the mass spectra of the antibiotic can be monitored, ...
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Acid and alkaline hydrolysis extraction of non extractabke polyphenols in blueberries optimisation by response surface methodology
... the alkaline hydrolysis treatment, the independent variables of NaOH concentration (X 1 ), ultrasonic time (X 2 ) and liquid/solid ratio (X 3 ) were selected to optimise the extraction of ...
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Restoration of waste cooking oil (WCO) using alkaline hydrolysis technique (ALHYT) for future biodetergent
... been being looking for valuable products, eg. surfactants. This work reports the replacement of the main ingredients of surfactant with WCO for biodetergent (WASCOB) using alkaline hydrolysis technique ...
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The Alkaline Hydrolysis of Sulfonate Esters: Challenges in Interpreting Experimental and Theoretical Data
... Clearly, the majority of these issues are extremely challenging, and resolving them is out of the scope of the present work. However, one trivial source of error that can be addressed is the solvation free energy of the ...
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A Comparative Study of Alkaline Hydrolysis of Ethyl Acetate Using Design of Experiments
... ABSTRACT: Alkaline hydrolysis of ethyl acetate is essentially an irreversible and second order ...the hydrolysis reaction in both the reactors were reported to be the significant ...
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The alkaline hydrolysis of the ethyl and methyl esters of 1 naphthoic acid and 2 naphthoic acid
... Meth.tl 1-na·ehthoate in 82~ methanol at 20° .AJnount of VolwJ.e of unreacted alkali required to ester a neutralise Time excess acid -2 secs ... .Amount of reacted ester x g.-mol..[r] ...
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The alkaline hydrolysis of ethyl 1 naphthoate, ethyl 3 methyl 1 naphthoate and ethyl 4 methyl 1 naphthoate in ethanol water
... the volume and normality of the solution, the weight of ester to make the molar concentrations of alkali and ester equal was calculated... was then wei[hed.[r] ...
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Solvent Effect on Solvolysis Rate in Alkaline Hydrolysis of Ethyl Acetate in water methanol and water ethanol mixed solvent system
... Although the Solvent Effect on the Rate and Mechanism of the various type of reaction has been reported. [1][2][3] but very little attention has paid towards the study of the Solvent Effect on the Thermodynamic ...
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Alkaline hydrolysis to remove potentially infectious viral RNA contaminants from DNA
... and alkaline and heat treated samples spiked with FMDV and CSFV likewise demonstrated loss of virus infectivity in vitro (Table ...hot alkaline conditions ...
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The alkaline hydrolysis of substituted phenyltriphenyl phosphonium salts
... Phosphoniuf!l compounds may be formed as reaction intermediates, and in such cases nucleophilic attack on the phosphonium centre is often a subsequent stage in the reaction.. example is [r] ...
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Biodegradation of the Alkaline Cellulose Degradation Products Generated during Radioactive Waste Disposal
... anoxic, alkaline hydrolysis of cellulosic materials generates a range of cellulose degradation products (CDP) including a and b forms of isosaccharinic acid (ISA) and is expected to occur in radioactive ...
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Synthesis of Graft Biocopolymer Based on Pectin and Investigation of Chemorheology Properties
... method, tr ied to synthesize of HSPAN superabsorbent hydrogel. They indicated by a solubility test that crosslinks were formed during graft copolymerization, by coupling of the two growing PAN radicals, and during ...
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Production of bile duct hyperplasia and gallstones by lithocholic acid
... Thin layer chromatography of the bile acid extract after alkaline hydrolysis showed a consistent pattern from animal to animal; the predominant steroids were lithocholic and 3a,6f8-dihyd[r] ...
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Study of the Hydrolysis of Sec Amyl Iodide in Alkaline and Neutral Media: A Kinetic and Mechanistic Approach
... Hydrolysis of an alkyl halide may proceed through SN 1 or SN 2 path depending on its structure and the set of experimental conditions used. In the study of kinetics of alkaline hydrolysis of sec-amyl ...
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Synthesis of Biosuperabsorbent Based on Carboxymethylcellulose-g-poly(AcA-co-AN)
... industrial superabsorbent hydrogel was synthesized using this method via ceric-induced graft copolymerization of acrylonitrile onto starch followed by alkaline hydrolysis of the resulted[r] ...
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Journal of Applied Pharmaceutical Science
... respectively. Alkaline hydrolysis of stevioside (3) and rebaudioside A (4) furnished their partially hydrolyzed compounds 1 and 2 whose structural characterization has been given ...below. Alkaline ...
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Syntheses of hydroxyapatite from natural sources
... and alkaline hydrolysis for extraction of HAp from Thunnus obesus fish bone ...the alkaline heat treatment method, tuna fi sh bone was soaked with 2 M NaOH and heated at 250 C for 5 h and then the ...
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A Validated Stability-indicating HPTLC Method for the Determination of Roflumilast in Tablets and Application to Accelerated Stability Studies
... neutral hydrolysis, oxidation and thermal and photolytic ...and alkaline hydrolysis and ...of hydrolysis was found to increase with increase in the strength of hydrochloric ...acid ...
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Dark Hydrogen Fermentation From Paper Mill Effluent (PME): The influence of Substrate Concentration and Hydrolysis
... acidic hydrolysis, the pH of the PME was adjusted to 3 and the mixture was kept at 4 °C overnight, followed by ...The alkaline hydrolysis was done by increasing the pH of PME up to 12, and the ...
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