Liquid-Liquid Extraction from Aromatic to Aliphatic with Mixture Solvent
← Return to Article Details DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL SAMPLES USING ULTRASONIC PROBE AND SALT-ASSISTED LIQUID-LIQUID EXTRACTION COUPLED WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
... salt-assisted liquid-liquid extraction was used efficiently for the extraction of PAHs from soil and water ...the extraction efficiency of analytes such as extraction ...
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Comparative Evaluation of Extraction Procedures and Chromatographic Techniques for Analysis of Multiresidue Pesticides in Honey
... assisted liquid-liquid microextraction) a relatively novel technique, introduced by Farajzadeh et al in ...extractant solvent is added into the aqueous phase containing analyte. This mixture ...
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Polyphenol extraction from grape wastes: Solvent and pH effect
... the solvent) during solid-liquid extraction of polyphenols from grape marcs, by analyzing the phenolic content of the extracts, namely: total polyphenol content, flavanols, flavonols, phenolic ...
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High Density Solvent Based Dispersive Liquid Liquid Microextraction Technique for Simultaneous and Selective Extraction of Multiclass Pesticide Residues in Water and Sugarcane Juice Samples
... for extraction of trace organic and inorganic pollutants such as polycyclic aromatic hydrocar- bons, aromatic amines, metals, antioxidants and some class of pesticides; mainly from water [25] ...
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Cerium Separation from Light Rare Earth Concentrate by Liquid Liquid Extraction
... separation from the other trivalent ...the solvent ex- traction ...a mixture of potassium persulfate and silver ni- trate in nitric medium and P507 as extractant, achieving over ...organic ...
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LIQUID LIQUID EXTRACTION METHOD FOR EXTRACTION ZN(II) FROM AQUEOUS SOLUTIONS BY ORGANIC REAGENT
... The extraction of Zn(II) and Cd(II) with mixtures of neutral organophosphorus extractants (branched cyclic trialkyl phosphine oxide, Cyanex 925or aliphatic trialkyl phosphine oxide, Cyanex923) and amine ...
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Application of Dispersive Liquid-Liquid Microextraction and Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Drop for the Preconcentration of Crocin in the Saffron Samples
... a mixture of 200 μl dichloromethane as extraction solvent and 400 μl aceton as dispersive solvent was rapidly injected into the aqueous sample containing crocin using ...resulting from ...
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The extraction of Sr2+ with dicyclohexano-18-crown-6 in conventional organic solvent and ionic liquid diluents liquid diluents
... higher from the mixture diluents than that from pure n-octanol, and the stripping efficiency increased with the rising proportion of ...2+ from the mixture diluents, while 5 or more ...
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Solvent extraction of metals from liquid photographic waste using acidic extractants
... property, solvent extraction process has been reported as having a great potential to recover silver from photographic ...the extraction process requires the introduction of an extractant that ...
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A Solvent Free and Efficient Knoevenagel Condensation; Using Solid Mixed Metal Oxide Fe2O3/SnO2 as Heterogeneous Catalyst
... Ionic Liquid as Catalyst and Reaction Medium–A Simple, Efficient and Green Procedure for Knoevenagel Condensation of Aliphatic and Aromatic Carbonyl Compounds Using a Task‐Specific Basic Ionic ...
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Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Drop as an Efficient Preconcentration Method for Spectrophotometric Determination of Aluminium
... a mixture of 400.0 µl ethanol as the disperser solvent and ...the extraction solvent was rapidly injected into the sample solution with a ...The mixture was centrifuged at 4000 rpm for ...
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Development of Different Strategies for the Clean Up of Polychlorinated Biphenyls (PCBs) Congeners Using Pressurized Liquid Extraction
... The technique is based on molecular size separation and is primarily used to fractionate and to remove lipids (>500˚A), which elutes first from the column. A standard solution of PCBs was transferred into a gel ...
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A Highly Selective Liquid-Liquid Extraction Technique for the Extraction and Separation of Hafnium (IV) With Hexaacetato Calix(6)Arene
... The extraction with Toluene, Cyclohexane, and Kerosene was greater than ...However, extraction was quantitative with ...show extraction of Hf(IV) above ...varying from 10 -6 M to 2 × 10 -4 ...
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Kirchhoff, Fabian (2012): Untersuchungen zur Anwendung der Flüssigkeitschromatographie-Tandem-Massenspektrometrie in der medizinischen Laboratoriumsdiagnostik. Dissertation, LMU München: Medizinische Fakultät
... When compared to contemporary clinical chemistry or immunoa- nalyzer systems, however, the practicability and also the robustness of standard LC-MS/MS con fi gurations is still poor. A multi-step prepa- ration of ...
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Extraction of Volatile Fatty Acids from Leachate via Liquid-liquid Extraction and Adsorption Method
... the extraction of acetic and butyric acids were temperature (A: 20-50 0 C), pH of treated leachate (B: 2-7), incubation time (C: 6- 24h), agitation (D: 50-200rpm) and volume of treated leachate (E: 10-50%) ...
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Current Trends in Extraction Methodologies for Pesticide Residues in Food Matrices
... fluid extraction (SFE) is suitable for extraction of target compounds from relatively dry ...any solvent load (Lehotay, ...of extraction condition is hence advocated with each new class ...
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Quantitation of Sildenafil in Human Plasma by Reverse Phase High Performance Liquid Chromatography
... sildenafil from plasma extracted with liquid-liquid extraction was calculated by comparing the peak ...underwent liquid-liquid extraction to that of identical ...
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Liquid-Liquid Extraction Of Zinc By 3-Methyl-Quinoxaline-2-Thione From Nitrate Medium
... low acidic medium (3 ≤ pH ≤ 5). As discussed above, both ion-pair and ionic exchange reactions rise from a combination of at least two predominant reactions with l = 1 and 2.The apparent extraction ...
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PRESSURIZED FLUID EXTRACTION NON ENVIRONMENTAL APPLICATIONS pdf
... As extraction parameters, solvent choice and temper- ature will have the greatest impact on extraction ef R ciency with ...An extraction solvent should be chosen which will solubilize ...
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A REVIEW BIOANALYTICAL METHOD DEVELOPMENT AND ITS VALIDATION BY RP HPLC
... Accuracy of an analytical method describes the closeness of mean experimental results obtained by the method to the true value of the analyte. This is sometimes referred as trueness. It is usually expressed as bias% or ...
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