Journal Articles (before-1995): Recent submissions

Now showing items 581-600 of 882

Acid Dissociation Constant of the Carboxyl Radical: Pulse Radiolysis Studies of Aqueous Solutions of Formic Acid and Sodium Formate

Buxton, G. V.; Sellers, R. M. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

Pulse radiolysis of aqueous solutions of formic acid and formate ion in the pH range 0-13 shows (i) that the absorption spectrum of the carboxyl radical is constant between pH 2.5 and 13, but decreases in intensity between ...
Adiabatic Calorimetry of Organic Salts: Tetra-n-hexylammonium Perchlorate

Andrews, John T. S.; Gordon, John E. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

We have measured the heat capacity of a zone refined sample of tetra-n-hexylammonium perchlorate (99.94 % pure, by analysis of the fusion curve). Values of the transition temperatures, enthalpies and entropies are: fusion ...
Proton Magnetic Resonance Investigations of the Formation of Alkylammonium Propionate Micelles in Benzene and in Carbon Tetrachloride

Fendler, J. H.; Fendler, E. J.; Medary, R. T.; Seoud, O. A. El (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (2), 1973)

Changes in the chemical shifts for butyl (BAP), hexyl (HAP), octyl (OAP), decyl (DeAP), and dodecyl (DAP) ammonium propionates in benzene and in carbon tetrachloride as functions of their concentrations have established ...
Reactions of the Hydroxy Peroxy Radicals HOCH2O2 and CH3CHOHO2 in Aqueous Solution

Downes, M. T.; Sutton, H. C. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (2), 1973)

The products formed from HOCH2O2(RO2) radicals during (a) radiolysis of oxygen saturated aqueous solutions of methanol by γ-rays and 1.8 MeV electrons, and (b) photolysis of similar solutions containing H2O2 are HCOOH, ...
Complex-formation between Carbon Tetrachloride and Alkyl-substituted Benzenes

Ahmed, Akhlaq (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

Measurements of the enthalpies of mixing are presented for equimolar mixtures of carbon tetrachloride with ethylbenzene, cumene, and t-butylbenzene at temperature between 288.00 and 352.96 K. Enthalpies of mixing are also ...
Molecular complexes of substituted thiophens with σ and π acceptors: Charge transfer spectra and ionization potentials of the donors

Aloisi, Gian Gaetano; Pignataro, Salvatore (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

Charge transfer complexes of substituted thiophens as donors with tetracyanothylene, 2,3-dichloro-5,6-dicyano-p-benzoquinone, chloranil and iodine have been studied spectrophotometrically. From the energies of the charge ...
Polymerization of Ethylene on Chromium Oxide Catalysts: Part 4.—Infra-red Study of the Adsorption of Nitric Oxide and Ammonia on Active Catalyst

Eley, D. D.; Rochester, C. H.; Scurrell, M. S. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

Nitric oxide adsorbs on reduced supported chromium(VI) oxide catalyst to give infra-red bands at 1740, ca. 1800, and ca. 1860 cm-1. The band at ca. 1800 cm1 has been assigned to nitric oxide molecules coordinatively ...
Protolysis Kinetics of some Amino-acids Studied by the Nuclear Magnetic Resonance Spin Echo Technique

Eley, D. D.; Fawcett, A. S.; Hey, M. J. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (2), 1973)

Proton magnetic relaxation times have been measured as a function of pH and temperature for aqueous solutions of amino-acids in the series H3[graphic omitted]—[CH2]n—CO2 where n= 1, 2, 3, 5 and 7 and also for solutions of ...
Similar Excited State pK Behaviour of Xanthone and the Benzophenones

Ireland, J. F.; Wyatt, P. A. H. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (1), 1973)

Benzophenone, like xanthone, shows the excited state pK order pK(T’1)>pK(S1)>pK(S'o), which is readily understood in terms of the Si-Tl splitting to be expected from the h-tt* and tt-tt* states of the unprotonated and ...
Flame Photometric Determinations of Diffusion Coefficients: Part 4.—Results for Lithium, Potassium, Rubidium and Caesium

Ashton, A. F.; Hayhurst, A. N. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

Diffusion coefficients of alkali metals arc measured for trace quantities present in the burnt gases of atmospheric pressure flames of H2 + O2 + N2 in the temperature range 1920-2520 K. The results are considered in terms ...
Effusion-Mass Spectrometric Study of Thermodynamic Properties of Vanadium and Vanadium Nitride

Farber, Milton; Srivastava, R. D. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (2), 1973)

Effusion-mass spectrometric studies were performed on the vapour species in equilibrium above VN(c) in the temperature range 1900 to 2412 K. From an analysis of the reactions involved, ΔHf298 values of 122.4 ± 5 kcal/mol ...
CO2 poisoning of the γ-alumina-catalyzed reaction of COS with SO2

Chuang, T. T.; Lana, I. G. Dalla; Liu, C. L. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

The poisoning of γ-alumina by CO2 has been shown to suppress the catalytic reaction, 2COS + SO2⇌(3/x)Sx+ 2CO2. Using infra-red spectroscopic evidence, a mechanism of reaction was postulated in which SO2 is adsorbed on ...
Enthalpy of Mixing of n-Hexane and Cyclohexane

Ahmed, Akhlaq (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (2), 1973)

The enthalpy of mixing (HE) was measured for the liquids n-hexane and cyclohexane at 298.03 K. HE was corrected to 298.15 K for comparison with the results of other workers. The values of HE are well established with an ...
Structure of the Mercury/Ethylene Carbonate Interface: Part 1.—Variation in Double Layer Capacity with the Nature of the Electrolyte

Fawcett, W. R.; Mackey, M. D. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

Differential capacity-potential data for the mercury/solution interface for various 1-1 electrolyte solutions in ethylene carbonate at 40°C are presented and compared with data obtained with other aprotic solvents. It is ...
Assignment of the Hydroxyl Bands in the Infrared Spectra of Zeolites X and Y: Part 2.—After Different Pretreatments

Jacobs, P. A.; Uytterhoeven, J. B. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (2), 1973)

The i.r. absorption curve of “ deep bed ” calcined NH4Y zeolites could be broken down into the same components as HY zeolites. The frequency of the peaks was slightly changed, but their half band width remained constant. ...
Interactions in Lanthanide Systems: Part 2.— Raman Study of Aqueous Cerium(III) Nitrate

Nelson, D. L.; Irish, D. E. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (1), 1973)

Raman spectra of aqueous cerium (III) nitrate solutions, and complementary infrared spectra, have been obtained for a wide range of compositions. The intensities of the 718 cm-1 line of solvated nitrate ion have been ...
CO2 Poisoning of the ^'-Alumina-catalyzed Reaction of COS with SO2

Chuang, T. T.; Lana, I. G. Dalla; Liu, C. L. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

The isomerization reaction of 3,3-dimcthylbut-l-cnc (1), to produce 2,3-dimcthylbut-l-cnc (11) and 2,3-dimethylbut-2-cne (111), has been investigated over a series of copper-exchanged X-type zeolites. The reaction is ...
Assignment of the Hydroxyl Bands in the Infrared Spectra of Zeolites X and Y: Part I.—Na—H Zeolites

Jacobs, P. A.; Uytteriioeven, J. B. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (2), 1973)

The infrared spectra of zeolites X and Y were recorded in the hydroxyl stretching region under high resolution conditions. The samples varied in their Al and proton content. The spectra were broken down into six different ...
Hydrogen Bonding in some Adducts of Oxygen Bases with Acids: Part 7.—Thermodynamic Study by Infra-red Spectroscopy of the Association of Chloroacetic Acids with Some Oxygen Bases

Hadzi, D.; Rajnvajn, J. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (1), 1973)

The association between the chloroacetic acids (mono-, di-, and tri-) and a scries of bases (dimethyl, dibenzyl, diphenyl sulphoxide, triphenylphosphine oxide, diphenyl selenoxide) in carbon tetrachloride was studied using ...
Mechanism of [3-13C]Propene Ammoxidation on Bismuth Molybdate Catalyst

Dozono, T.; Thomas, D. W.; Wise, Henry (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1973, 69 (3), 1973)

To study the mechanism of acrylonitrile formation, the ammoxidation of [3-13C]propene was studied in the presence of a bismuth molybdate catalyst on a silica support. The reaction was carried out at 723 K with a conversion ...

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