623. The colour isomerism and structure of copper co-ordination compounds. Part VII. The crystal of bissalicylaldehydatocopper(II)
A. J. Mckinnon, T. N. Waters and D. Hall, J. Chem. Soc., 1964, 3290 DOI: 10.1039/JR9640003290
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The Electrochemical Oxidation of Formic Acid on Platinum
The anodic oxidation of formic acid has been investigated on platinum black electrodes in 5 N sulfuric acid. The data presented pertain to the activation controlled process under approximately steady state conditions at four temperatures between 25° and 90 °C. Tafel plots appear to have significant slopes, and the cor…
Methods for the Calculation of Polarization in Porous Electrodes
Solutions in closed form are presented for the polarization behavior and the distribution of current and potential in idealized, one‐dimensional porous electrodes in the case of a simple oxidation‐reduction reaction under pure activation control. Exact solutions are derived for transfer coefficients of 1/3, 1/2, and 2…
ANALYSIS OF ESSENTIAL NUCLEAR REACTOR MATERIALS
This book is intended as a laboratory reference tool. The separate book chapters have been written by workers in the various fields covered, with a couple written by the contributing editor, Clement J. Rodden. The chapters were abstracted separately for the database.
Grain Boundary Conductivity of Zr0.84Ca0.16O1.84 Ceramics
The effect of microstructure on the ionic conductivity of Zr0.84Ca0.16O1.84 ceramic specimens was evaluated. At low temperatures (<800°C), those specimens of smaller grain size exhibited a higher electrical conductivity. These data suggest high grain boundary conductivity owing to a higher diffusion rate for th…
Differential thermal analysis of polybutene‐1
Abstract The three polymorphic forms of polybutone‐1 may be easily characterized by DTA: Form I has a DTA peak near 132°C; Form II has a peak near 118°C; and Form III has doublet peaks at 104° and 118°C. The kinetics of the room temperature transformation of Form II to Form I have been qualitatively investigated by DT…
Thermal conductivity of high polymers
Abstract The thermal conductivity of several high polymers was measured in the temperature range from −190 to 90°C. with an automatic apparatus. In amorphous polymers a break has been found in the thermal conductivity at the glass transition temperature. This break can be explained by a model conception, which coordin…
Resistance to Flow in Capillary Systems of Positive Contact Angle
In capillary systems having an equilibrium contact angle substantially greater than zero, the liquid-solid-vapor boundary line shows a definite resistance against being moved along the solid surface. This resistance is characterized and defined as the critical line force. By determining the pressure necessary to start…
Vapor Pressures of Zinc Chloride and Zinc Bromide and Their Gaseous Dimerization
The absolute vapor pressures of zinc chloride and zinc bromide have been measured by a quasistatic method. In addition, transpiration experiments have been made to determine the vapor density of the gas. Mass spectrometric observations of the gas over the liquid salts have indicated that the gas consists mainly of zin…
Secondary Crystallization and Annealing of Polyethylene
Annealing of single crystals and of single-crystal cakes of polyethylene leads to an increase in density because the growth of crystal thickness with time reduces the area of the density deficient surface regions. When the same process is applied to the isothermal crystallization and to the annealing of bulk samples,…
Infrared Spectral Evidence of π-Bonding in the Fe(CN)5NO-2 Ion
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInfrared Spectral Evidence of π-Bonding in the Fe(CN)5NO-2 IonLucia Tosi and J. DanonCite this: Inorg. Chem. 1964, 3, 1, 150–151Publication Date (Print):January 1, 1964Publication History Published online1 May 2002Published inissue 1 January 1964https://pubs.acs.org/doi/10.1…
The Kinetics of the Decomposition of BH3CO and the Bond Dissociation Energy of B2H6
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Kinetics of the Decomposition of BH3CO and the Bond Dissociation Energy of B2H6Michael E. Garabedian and Sidney W. BensonCite this: J. Am. Chem. Soc. 1964, 86, 2, 176–182Publication Date (Print):January 1, 1964Publication History Published online1 May 2002Published iniss…
5—A GENERALIZED GEOMETRY OF WEFT-KNITTED FABRICS
It is shown experimentally that the geometry (i.e., the loop shape) of weftknitted fabrics is controlled by loop length, fibre type and properties, and method of relaxation. A theoretical study indicates that, for given end conditions, the shape taken up by a deformed elastic rod depends on the ratio of its flexural a…
Magnetic Susceptibility of Praseodymium Oxides
Magnetic susceptibility measurements have been made on Pr2O3, PrO1.72, PrO1.83, and PrO2 from liquid-helium to room temperatures. The results are interpreted in terms of the crystal fields acting upon the cation for Pr2O3 and PrO2. For these two compounds, D3d symmetry was assumed for the disposition of oxygen ions ab…
High-Temperature Electrical Conductivity in the Systems CaO-ZrO[sub 2] and CaO-HfO[sub 2]
The a‐c electrical conductivity of and was measured from 800° to 2000 °C. The two systems are similar. The conductivity maximum was found near 12 mole % in both zirconia and hafnia.
Fluorescent Rare Earths in Semiconducting Thiospinels
The system CdS ‐ In 2 S 3 ‐ Tm 2 S 3 has been investigated with the objective of obtaining for physical studies semiconducting crystals with high rare earth content. The new compounds CdR 2 S 4 and CdR 2 Se 4 , where R represents the rare earths of small ionic size, have been found to have the spinel structure. Thuliu…
Preparation and Properties of Thin Barium Titanate Films
Thin films of barium titanate were synthesized by the simultaneous deposition of the barium and titanium oxides evaporated by electron bombardment. The oxides were reacted on a substrate to form barium titanate during deposition. The reaction was carried out in an oxygen atmosphere at a substrate temperature in excess…
Redetermination of the cation distribution of spinel (MgAl2O4) by means of neutron diffraction
The cation distribution of synthetic spinel powder of grain size ≤ 50 μ was redetermined by means of neutron diffraction experiments. The oxygen parameter found by Bacon (1952) has been confirmed, but, in contradiction to Bacon, the degree of inversion amounts to about 10 to 15 %, and depends upon the thermal history…
242. Iron–tartrate complexes
C. F. Timberlake, J. Chem. Soc., 1964, 1229 DOI: 10.1039/JR9640001229
STRESS-CORROSION CRACKING
The fracture of alloys in certain chemical environments at static stresses appreciably below those that would cause fracture in the absence of the specific environment, has been the subject of an increasing number of experimental investigations over the last decade. It would be impossible in the present context to rev…