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Ion-association

Conductance And Ion-Association Studies Of Lipic In (PC+THF) At Different Mixtures

Conductance And Ion-Association Studies Of Lipic In (PC+THF) At Different Mixtures

... the ion-pair or multiple–ion association not only in aqueous solutions but also in non-aqueous, or mixed ones ...the ion-association constant (KA) have been ...

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Ion-association Methods For The Determination of Mirtazapine in Pure and Pharmaceutical Formulations

Ion-association Methods For The Determination of Mirtazapine in Pure and Pharmaceutical Formulations

... soluble ion-association associates under specified experimental conditions are ...the ion-associates exhibit absorption maxima at 480nm and 540nm for methods A and B ...

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Liquid-Liquid Extraction And Spectrophotometric Characterization Of A New Ternary Ion-Association Complex Of Cobalt(Ii)

Liquid-Liquid Extraction And Spectrophotometric Characterization Of A New Ternary Ion-Association Complex Of Cobalt(Ii)

... 6. Zalov AZ, Gasimova YC, Ibrahimova ShA. Liquid-liquid extraction and spectrophotometric Characterization of some new ternary ion-association International Journal of Chemistry Studies complexes of cobalt ...

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Spectrophotometric determination of losartan potassium through ion association reaction

Spectrophotometric determination of losartan potassium through ion association reaction

... extractable ion-association complex of BCG / BTB in acid medium, exhibiting absorption maxima at 430nm, and obeying Beer’s respectively with good ...

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Determination of Thermodynamic Functions for Ion Association of Hippuric Acid in 20% Aqueous Ethanol

Determination of Thermodynamic Functions for Ion Association of Hippuric Acid in 20% Aqueous Ethanol

... hand. Ion-association process in the solution is automatic process ( ∆G = ο = −ve ), emitting heat ( ∆H = ο = −ve ) and lead to increased random ( ∆S = ο = +ve ) because of the lack of thing arrange and ...

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Ion association and solvent interaction-conductance of alkali halides in chitosan solutions at four different temperatures

Ion association and solvent interaction-conductance of alkali halides in chitosan solutions at four different temperatures

... of association constant are known to be composite quantity depending on specific and non-specific solute-solvent interactions and the separation of various interaction contributions is often very ...the ...

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Ion association in concentrated NaCl brines from ambient to supercritical conditions: results from classical molecular dynamics simulations

Ion association in concentrated NaCl brines from ambient to supercritical conditions: results from classical molecular dynamics simulations

... We are assuming that the interatomic potentials we are using can describe the NaCl–water system at the densities of interest at high pressure and temperature. Physically this means that we are assuming that the bonding ...

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Ion Association in Lanthanide Chloride Solutions

Ion Association in Lanthanide Chloride Solutions

... for ion association in so- lution have been suggested (see the review by Marcus and Hefter, ...the ion-pairing free ...for association differ and this is largely due to the transition from a ...

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Ion association and solvent interaction-conductance of alkali halides in chitosan  solutions at four different temperatures

Ion association and solvent interaction-conductance of alkali halides in chitosan solutions at four different temperatures

... of association constant are known to be composite quantity depending on specific and non-specific solute-solvent interactions and the separation of various interaction contributions is often very ...the ...

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SPECTROPHOTOMETRIC DETERMINATION OF TOLTERODINE THROUGH ION ASSOCIATION COMPLEX REACTION IN BULK AND ITS PHARMACEUTICAL PREPARATIONS

SPECTROPHOTOMETRIC DETERMINATION OF TOLTERODINE THROUGH ION ASSOCIATION COMPLEX REACTION IN BULK AND ITS PHARMACEUTICAL PREPARATIONS

... form ion associated complexes the complex thus formed is more stable due to electrostatic ...interactions. Ion-pair extractive spectrophotometry has attracted considerable attention for quantitative ...

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ION ASSOCIATION  III  THE EFFECT OF SULFATE INFUSION ON CALCIUM EXCRETION

ION ASSOCIATION III THE EFFECT OF SULFATE INFUSION ON CALCIUM EXCRETION

... Wolf and Ball 9 observed increased excretion of calcium, magnesium and potassium during sulfate diuresis but found similar changes during infusion of 5 per cent glucose solution.. The pr[r] ...

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Chromatographic estimation of iron content in pharmaceutical samples using polyamine polyhalo polyurethane sorbent

Chromatographic estimation of iron content in pharmaceutical samples using polyamine polyhalo polyurethane sorbent

... The present work is concerned with the preparation of new sorbent (PPPs) containing primary amine and halogen groups. The PPClPs, PPBrPs and PPIPs were used for recovery and determination of iron(III) traces. The maximum ...

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QUANTITATIVE DETERMINATION OF DRUGS AND PHARMACEUTICALS USING CHLORAMINE T AND METHYL ORANGE AS DYE

QUANTITATIVE DETERMINATION OF DRUGS AND PHARMACEUTICALS USING CHLORAMINE T AND METHYL ORANGE AS DYE

... Extractive visible spectrophotometric determination of voriconazole in tablet dosage form using ion-association methods.. Jain MW, Shirkhedkar AA, Surana SJ.[r] ...

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Synthesis Characterization and a Physical Study of New Polyborate Compounds with Some Transitions Metal

Synthesis Characterization and a Physical Study of New Polyborate Compounds with Some Transitions Metal

... The solution conductivity results were then recorded for the required concentrations after the solvent conductivity was subtracted. Then Shedlovsky technique was applied to calculate thermodynamic parameters i.e the ...

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Thermodynamic Parameters for solvation of Copper sulphate in (ethanol-water) mixed solvent at different temperatures

Thermodynamic Parameters for solvation of Copper sulphate in (ethanol-water) mixed solvent at different temperatures

... Thermodynamic properties are very useful study of the intermolecular interactions and geometrical effects in the systems and thermo-physical and bulk properties of solutions. Also, they are necessary in theoretical and ...

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SPECTROPHOTOMETRIC DETERMINATION OF TERAZOSIN IN TABLET DOSAGE FORMS

SPECTROPHOTOMETRIC DETERMINATION OF TERAZOSIN IN TABLET DOSAGE FORMS

... The ion association complex is a special form of molecular complex resulting from two components extractable into organic solvents from aqueous phase at suitable ...

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Temperature effects on the activity coefficient of the bicarbonate ion

Temperature effects on the activity coefficient of the bicarbonate ion

... accuracy of the Ion Association Model, as proposed in this dissertation, is tested by determining the thermodynamic solubility product of gypsum i.e., CaS04 • 2H20 in seawater and NaCl s[r] ...

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1, 2- Aminothioly As An Analytical Reagent For Extraction Spectrophotometric Determination Of Copper (Ii)

1, 2- Aminothioly As An Analytical Reagent For Extraction Spectrophotometric Determination Of Copper (Ii)

... an ion association complex of the dichlorocuprate (I) ion with ethylviolet has been developed ...an ion associate of dichlorocopper (I) ion with ethyl ...

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STUDY OF EFFECT OF TEMPERATURE ON THE PROPERTIES AND STRUCTURE OF ZIRCONIUM PHOSPHOBORATE ION-EXCHANGER

STUDY OF EFFECT OF TEMPERATURE ON THE PROPERTIES AND STRUCTURE OF ZIRCONIUM PHOSPHOBORATE ION-EXCHANGER

... its ion exchange capacity up to 500°C and thus can be used safely in high temperature ...the ion exchange capacity of ZrPB first increases with increase in heating temperature up to 100°C and above this ...

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Small-angle fragmentation of carbon ions at 0.6 GeV/n: a comparison with models of ion-ion interactions

Small-angle fragmentation of carbon ions at 0.6 GeV/n: a comparison with models of ion-ion interactions

... TWA heavy ion accelerator. The fragments were selected by correlated time of flight and dE/dx measurements with a magnetic spectrometer with scintillation counters. The main attention was drawn to the high momentum ...

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