Journal Articles (before-1995): Recent submissions

Now showing items 521-540 of 882

Studies in H2O+D2O Media: Part 1.—Kinetics of Tritium Exchange between Trimethoxybenzene and Aqueous Perchloric Acid in H2O + D2O Mixtures : Re-evaluation of the Deuterium Fractiona tion Factor for the Aqueous Hydrogen Ion

Batts, Barry D.; Kilford, John (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (6), 1973)

The kinetics of the hydrogen exchange reaction between 1,3,5-trimethoxy[2-3H]benzene and aqueous 0.05 M perchloric acid in H2O + D2O mixtures have been studied. The results are used to calculate the value for the isotopic ...
Dissociation Constant of Calcium Sulphate from 25 to 50°C

Ainsworth, Richard G. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (6), 1973)

The e.m.f. of the cell Ag, AgCl | CaCl2(/Hi), CaSO4(/n2) | Ca-cxchange membrane | CaCl2(0.1 mol kg-1) | AgCl, Ag has been determined at 25,40 and 50°C. Errors associated with drifting of the calcium ion-exchange electrode ...
Light Scattering from the Surface of Sodium Carboxymethylcellulose in Water

Hammarlund, Nils; Ilver, Lars; Lundstrom, Ingemar; McQueen, Douglas (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (6), 1973)

Inelastic light scattering measurements of capillary wave frequency and damping in the kHz range for several solutions of sodium carboxymethylcellulose in redistilled water are reported. The capillary waves were thermally ...
Kinetics of the Proton-transfer Reactions between 2,4-Dinitrophenol and Tertiary Amines: Possible Influence of Rotation in the Encounter Complex

Ivin, Kenneth J.; McGarvey, John J.; Simmons, Eugene L.; Small, Raymond (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (6), 1973)

Kinetic and equilibrium data are reported for the proton-transfer reactions in chlorobenzene between 2,4-dinitrophenol and triethylamine, tri-n-propylamine, tri-n-pentylamine, tri-n-nonylamine and triethylenediamine. ...
Heavy Atom Kinetic Isotope Effects: Part 2.—Nitrogen Isotope Effects in the Decomposition of Aqueous Aromatic Diazonium Salts

Loudon, Alexander G.; Maccoll, Allan; Smith, David (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The rate constant ratio l4k/l5k was determined for the decomposition of some diazonium fluoro- borates in aqueous solution in both the presence and absence of added salts. The implications of the results for the mechanism ...
Heavy Atom Kinetic Isotope Effects: Part 1.—Liquid Phase Decarboxylation of Malonic Acid

Loudon, Alexander G.; Maccoll, Allan; Smith, David (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The 13C/12C isotope effects in the decomposition of all the mono-13C malonic acid species have been determined. Three rate constant ratios have been determined, and two of these are in good agreement with the values recorded ...
Manganese Dioxide Electrode: Part 2.—Hydrogen Ion Response in the Presence of Manganese(II) Ions

Caudle, James; Summer, Keith G.; Tye, Frank L. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

Potential-pH and proton release-pH measurements were made in manganese(II) chloride solutions for a “hydrogen form” electrodeposited γ-manganese dioxide and for a “hydrogen form”β-manganese dioxide. The slope of all potential ...
Manganese Dioxide Electrode: Part 1.—Hydrogen Ion Response in the Absence of other Cations

Caudle, James; Summer, Keith G.; Tye, Frank L. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

Potential against pH plots have been obtained for a “hydrogen form” electrodeposited γ-manganese dioxide and for a “hydrogen form”β-manganese dioxide ore. The electrolyte solution was hydrochloric acid; no cations other ...
Thermodynamic Properties of Fluorine Compounds: Part 12.Low-temperature Heat Capacity and Entropy of 1,3,5-Trichloro-2,4,6-trifluorobenzene

Andon, Richard J. L.; Martin, John F. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The heat capacity of 1,3,5-trichloro-2,4,6-trifluorobenzene was measured by adiabatic calorimetry from 14 to 347 K, and thermodynamic functions were calculated from the results. The heat capacity curve exhibited an anomalous ...
Stability Constants of Some Complexes of t-Butyl Mesityl Nitroxide

Burnett, George M.; Cameron, G. Gordon; Cameron, James (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

Stability constants for complex formation of t-butyl mesityl nitroxide with various solvents and monomers have been determined in the range 25-85 C by gas-liquid chromatography and a spectrophotometric method. In general, ...
Oxygen Species Adsorbed on CeO2/SiO2 Supported Catalysts

Che, M.; Kibblewiiite, J. F. J.; Tench, A. J. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The nature of the oxygen species adsorbed on slightly reduced CeO2/SiO2 supported catalysts has been investigated using oxygen enriched with 17O2. The observed hyperfine splitting was found to be associated with the central ...
Kinetics and Mechanism of the Reactions of Triethylaluminium with Phenylacetylene

Allen, P. E. M.; Lough, R. M. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The kinetics of the reactions between triethylaluminium and phenylacetylene have been studied in cyclohexane between 313 and 333 K. Two reactions are observed; metallation, which proceeds by the bimolecular reaction of ...
Thermodynamic Solubility: Properties of Gas Mixtures: Part 1.—Two Component Gas Mixtures in Water at 25°C

Maharajh, Dow M.; Walkley, John (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The saturation solubility of O2 + CH4, O2 + N2 and N2 + CH4 mixtures in water at 25.00°C and 1 atm total pressure are reported at O2 partial pressures of 0.25, 0.5 and 0.75 atm. The solubility of oxygen at a partial pressure ...
Thermodynamic Properties of Aliphatic Halogen Compounds: Part 1.—Vapour Pressure and Critical Properties of 1,1,1-Trichloroethane

Ambrose, D.; Sprake, C. H. S.; Townsend, R. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The vapour pressure of 1,1,1-trichloroethane was measured in the range 15 to 200 kPa by comparative ebulliometry, and the critical temperature and pressure were also measured. The observed values of the vapour pressure ...
Hydrogen Reduction of Nickel Ions in Molecular Sieve X

Herd, A. C.; Pope, C. G. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (5), 1973)

The hydrogen reduction of nickel ions in a microcrystalline sample of molecular sieve X has been studied in the temperature range 620-790 K at pressures from 0.03 to 13 kN m-2. A mechanism involving a back reaction between ...
Reaction of n-propyl radicals with oxygen, hydrogen and deuterium

Baldwin, Roy R.; Walker, Raymond W.; Yorke, David A. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (4), 1973)

n-C3H7 radicals have been produced by the oxidation of n-C3H7CHO at 450°C. By measuring the relative yield of C3H6 and C3H8, a value for the ratio k4/k1= 0.040 ± 0.005 has been obtained. A value of k4 can be obtained, based ...
Semiquinone Free Radicals and Oxygen: Pulse Radiolysis Study of One Electron Transfer Equilibria

Patel, Kantilal B.; Willson, Robin L. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (4), 1973)

The absorption characteristics and acid dissociation constants of the semiquinone radicals of several methyl derivatives of benzoquinone and naphthoquinone have been determined by pulse radiolysis. Absolute rate constants ...
Standard potentials of silver–silver chloride electrode at different temperatures and transfer energetics of hydrochloric acid in urea + water mixtures

Kundu, K. K.; Mazumdar, K. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (4), 1973)

Standard potentials (E°) of the Ag–AgCl electrode in four different compositions of urea + water mixtures at seven different temperatures from 10 to 40°C have been determined from the e.m.f. measurements of cells of the ...
Influence of Specific Adsorption of Reactant and Product upon Charge-transfer Processes in Polarography: The Azobenzene-Hydrazobenzene System

Pezzatini, Giovanni; Guidelli, Rolando (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (4), 1973)

An examination of the polarograms of azobenzene and hydrazobenzene in media of differing pH has allowed conclusions as to the mechanism of the azobenzene-hydrazobenzene electrode process on mercury to be drawn. The shifts ...
Electro-catalytic Reduction of Acetylene on Platinum

Byrne, M.; Kuhn, A. T.; Whittle, V. J. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (4), 1973)

The kinetics of the cathodic reduction of acetylene on platinized platinum in aqueous acid solutions are reported. The products are both ethylene and ethane. Tafel slopes, the reaction order in hydrogen ion and the enthalpy ...

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