• No results found

Thermodynamic and Kinetic Parameters

THERMAL STUDIES ON THE THERMODYNAMIC AND KINETIC PARAMETERS OF THE CHARGE TRANSFER COMPLEX OF PICRIC ACID AND  O- PHENANTHROLINE

THERMAL STUDIES ON THE THERMODYNAMIC AND KINETIC PARAMETERS OF THE CHARGE TRANSFER COMPLEX OF PICRIC ACID AND O- PHENANTHROLINE

... The charge transfer complex of picric acid (A) with o- phenanthroline (D) was investigated in the solid state. The molar ratio was found to be1:1. The kinetic and thermodynamic parameters of the A, D ...

12

Biosorption of Azure Dye with Sunflower Seed Hull: Estimation of Equilibrium, Thermodynamic and Kinetic Parameters

Biosorption of Azure Dye with Sunflower Seed Hull: Estimation of Equilibrium, Thermodynamic and Kinetic Parameters

... The data obtained from biosorption experiments are generally represented by equilibrium isotherms. These provide more important parameters for designing and optimizing of the biosorption systems. Different ...

16

The Determination of Surface Thermodynamic Properties of Nanoparticles by Thermal Analysis

The Determination of Surface Thermodynamic Properties of Nanoparticles by Thermal Analysis

... on thermodynamic and kinetic parameters of chemical reactions in nanodispersed systems is theoretically ...surface thermodynamic properties of nanoparticles (surface enthalpy, surface entropy ...

6

Thermodynamic And Kinetic Investigation In Copigmentation Reaction Between Strawberry Anthocyanins And Chlorogenic Acid

Thermodynamic And Kinetic Investigation In Copigmentation Reaction Between Strawberry Anthocyanins And Chlorogenic Acid

... The thermodynamic parameters exhibited negative values at all temperatures and this is proof for a stable ...and kinetic parameters confirm too destroy and restore of complex at different ...

6

Electrochemical Studies of the Inhibition Effect of Vitamin B1 and Bromide Ion on the Carbon Steel Corrosion in Phosphoric Acid Solution

Electrochemical Studies of the Inhibition Effect of Vitamin B1 and Bromide Ion on the Carbon Steel Corrosion in Phosphoric Acid Solution

... This work attempts to exhibit the kinetic parameters of carbon steel corrosion and the synergistic inhibition effect and the adsorption thermodynamic parameters of vitamin B1 and bromide[r] ...

18

Calculation of Kinetic and Thermodynamic Parameters of Gel-Grown Lead-Cobalt Mixed Levo-Tartrate Crystals by C-R Relation

Calculation of Kinetic and Thermodynamic Parameters of Gel-Grown Lead-Cobalt Mixed Levo-Tartrate Crystals by C-R Relation

... The kinetic parameters were evaluated for both the stages by using Coats and Redfern ...The thermodynamic parameters were evaluated for both the stages by using the standard ...

5

Comparative Study of Pyridine and Pyrimidine Derivatives as Corrosion Inhibitors of C38 Steel in Molar HCl

Comparative Study of Pyridine and Pyrimidine Derivatives as Corrosion Inhibitors of C38 Steel in Molar HCl

... some thermodynamic data for the adsorption process were calculated and ...discussed. Kinetic parameters activation such as activation energy, pre-exponential factor, enthalpy of activation and ...

18

Growth and Calculations of Kinetic and Thermodynamic Parameters for Thiourea Single Crystals

Growth and Calculations of Kinetic and Thermodynamic Parameters for Thiourea Single Crystals

... and inexpensive evaporation technique. The crystals are optically smooth and hexagonal and tetragonal in shape and average size of crystals were 40mm×28mm×1mm to 1.5mm×1.5mm×0.5mm.Thermo Gravimetric Analysis has proved ...

8

Bioremediation of Cu(II) contaminated water by Saccharum officinarum: effect of oxalic acid modification on equilibrium, kinetic and thermodynamic parameters

Bioremediation of Cu(II) contaminated water by Saccharum officinarum: effect of oxalic acid modification on equilibrium, kinetic and thermodynamic parameters

... different kinetic models used to explain the adsorption data are shown in ...the kinetic parameters for the biosorption as shown in Table 6, pseudo-second-order kinetic models best fitted the ...

16

New Insights into the Mechanism of Oxidatively-Induced CO-Substitution Reaction in the Bimetallic FvCo2(CO)4 Gained by Digital Simulation Studies

New Insights into the Mechanism of Oxidatively-Induced CO-Substitution Reaction in the Bimetallic FvCo2(CO)4 Gained by Digital Simulation Studies

... heterogeneous parameters in such a complex mechanism to satisfy the simulation ...these kinetic parameters are very complex, this example shows the benefits of using digital simulation of the cyclic ...

13

Thermal Study of Cadmium Levo-Tartrate Crystals

Thermal Study of Cadmium Levo-Tartrate Crystals

... the kinetic parameters of solid state reaction including mass ...using kinetic parameters such as order of reaction, frequency factor and energy of activation, the shape of curve is ...the ...

6

Kinetic and thermodynamic effects of moisture content and temperature on the ammonia volatilization of soil fertilized with urea

Kinetic and thermodynamic effects of moisture content and temperature on the ammonia volatilization of soil fertilized with urea

... on kinetic and thermodynamic parameters remains unknown in the previous ...the kinetic parameters and an insignificant effect on the thermodynamic ...relevant parameters ...

10

Beyond the Woodward Hoffman rules: what controls reactivity in eliminative aromatic ring forming reactions?

Beyond the Woodward Hoffman rules: what controls reactivity in eliminative aromatic ring forming reactions?

... Table 5: Key thermodynamic quantities controlling the thermodynamic stability Gibbs energy of intersystem crossing, ∆ISC elim G and kinetic reactivity excited state Gibbs energies ‡,∗ of[r] ...

26

Removing of Hexavalent Chromium from Aqueous Solutions Using Dried Yogurt, and Studying Isotherm, Kinetic and Thermodynamic Parameters

Removing of Hexavalent Chromium from Aqueous Solutions Using Dried Yogurt, and Studying Isotherm, Kinetic and Thermodynamic Parameters

... concentrations (mg/L) at initial, equilibrium and at time t, V is the solution volume (mL) of metal ions at initial concentration and M is adsorbent mass used (g). Kinetic studies of adsorption and adsorption ...

7

Kinetic  and  thermodynamic  adsorption  study  of  mild  steel  corrosion  and  inhibition  of  Azadirachta  Indica  gum  in  hydrochloric  acid  solution

Kinetic and thermodynamic adsorption study of mild steel corrosion and inhibition of Azadirachta Indica gum in hydrochloric acid solution

... in the presence of certain concentrations of AI gum. Representative Nyquist plot is given in Figure 7. The spectra obtained without and with inhibitor contain depressed semi- circle with the centre under the real axis ...

9

Sol Gel γ Al2O3 Nanoparticles Assessment of the Removal of Eosin Yellow Using: Adsorption, Kinetic and Thermodynamic Parameters

Sol Gel γ Al2O3 Nanoparticles Assessment of the Removal of Eosin Yellow Using: Adsorption, Kinetic and Thermodynamic Parameters

... rized by SEM, TEM, XRD and FTIR analysis. The effect of pH, dosage of adsorbent, contact time, temperature, and the initial concentration of dye was investigated. The maximum amount of dye removal found about 99.36% at ...

21

Spectral, Thermal and Antibacterial Studies for Bivalent Metal Complexes of Oxalyl, Malonyl and Succinyl bis 4 phenylthiosemicarbazide Ligands

Spectral, Thermal and Antibacterial Studies for Bivalent Metal Complexes of Oxalyl, Malonyl and Succinyl bis 4 phenylthiosemicarbazide Ligands

... were in the range 55 - 450 kJ·mol –1 . The high values of the activation energy illustrated to the thermal stability of the complexes. ΔG is positive for reaction for which ΔH is positive and ΔS is negative. The reaction ...

25

Influence of Temperature on Equilibrium, Kinetic and Thermodynamic Parameters of Biosorption of Cr(VI) onto Fish Scales as Suitable Biosorbent

Influence of Temperature on Equilibrium, Kinetic and Thermodynamic Parameters of Biosorption of Cr(VI) onto Fish Scales as Suitable Biosorbent

... Batch sorption experiments for kinetic studies were car- ried out in 250 mL conical flasks at natural solution pH (5.85). Dry native biosorbent were thoroughly mixed in- dividually with 100 ml of stock solution ...

11

Thermodynamic and kinetic properties of metal ions in aqueous solution

Thermodynamic and kinetic properties of metal ions in aqueous solution

... ABSTRACT While it is evident that a metal ion in aqueous solution interacts electrostatically with water molecules and the anions ~resent in the solution$ it is equally apparent that oft[r] ...

55

Abiotic Hydrocarbons Discharge from A Felsic Rock-Hosted Hydrothermal System

Abiotic Hydrocarbons Discharge from A Felsic Rock-Hosted Hydrothermal System

... 3). However, massive serpentinization is questionable due to the small amount of both olivine and pyroxene. Fe(II)-bearing minerals with FeO content of 4% ~ 9% in the Lutao host rock 36 may have provided a redox ...

24

Show all 10000 documents...

Related subjects