805. Some nitric oxide complexes of iron and copper
W. P. Griffith, J. Lewis and G. Wilkinson, J. Chem. Soc., 1958, 3993 DOI: 10.1039/JR9580003993
Materials Literature
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Foam stability: Part V. Mechanism of film rupture
Abstract Lamellae of pure liquid and low‐molecular solutions are unstable because of the absence of a limiting thickness. Rapid collapse of these lamellae may start at relatively large thickness (∼ 500 Å) under influence of the London‐van der Waals attractive forces. Small quantities of surface active ions will preven…
The spherical harmonics with the symmetry of the icosahedral group
For a long time there has been some interest in obtaining spherical harmonics with the symmetry of the regular polyhedrons, particularly for electrostatic problema involving polyhedral conductors. Work on the icosahedral group has been done, among others, by Meyer (7), Laporte (6), Hodgkinson (3) and Poole (8), apart…
279. Magnetic studies with copper(II) salts. Part III. The constitution of copper(II)n-alkanoates in solution
R. L. Martin and A. Whitley, J. Chem. Soc., 1958, 1394 DOI: 10.1039/JR9580001394
Crystallinity and orientation in silicone rubber. I. X‐ray studies
Abstract A technique is described for quantitatively examining the diffraction pattern of polydimethylsiloxane at and below room temperature with the x‐ray diffractometer. The crystalline fraction of the unstretched material is determined by the classical method developed for natural rubber. In the case of the stretch…
Foam stability: Part IV. Kinetics and activation energy of film rupture
Abstract High‐speed cinematography of collapsing lamellae of an aqueous Tee‐pol solution reveals that spontaneous rupture always takes place in the thinnest part of the lamella. The rate of hole expansion is dependent on the thickness of the lamella; its value is found to be in the order of some hundreds of cms per se…
The anodic oxidation of solutions of plumbous salts. Part 1.—The kinetics of deposition of α-lead dioxide from acetate solutions
M. Fleischmann and M. Liler, Trans. Faraday Soc., 1958, 54, 1370 DOI: 10.1039/TF9585401370
Diffusion of Oxygen in Zirconium and Its Relation to Oxidation and Corrosion
The diffusion of oxygen in zirconium and dilute zirconium alloys has been studied in the temperature range of 400° to 5857deg;C by observing the rates of dissolution of anodically deposited interference oxide films. The diffusion coefficient of oxygen in zirconium depends on the grain orientation and varies by a facto…
Corrosion Inhibition by Organic Amines
The corrosion of pure iron in 1 N HC 1 is discussed in terms of the theory of mixed potentials and the theory is applied to inhibition by organic compounds. Corrosion rates with and without inhibition by aniline, several aniline derivatives, and alkylamines were determined by cathodic polarization measurements as well…
Study of single crystals and their associations in polymers
The first page of this article is displayed as the abstract.
Der nicht-elektronische Energietransport in Phosphoren
Unter Energietransport in einem physikalischen System versteht man die Erscheinung, daß die Energie an einer anderen Stelle des Systems, als da wo sie absorbiert wurde, wieder auftritt. In den meisten Fällen ist die absorbierte Energie elektromagnetische Strahlung, während die transportierte Energie sich auf verschied…
POLYACIDS AND LIGNIN USED WITH LARGE ORGANIC CATIONS FOR SOIL STABILIZATION
THE IMMERSED STRENGTH AND AIR-DRY STRENGTH OF AN IOWA SILTY LOAM TREATED WITH LARGE ORGANIC CATIONIC MATERIALS CAN BE INCREASED BY THE ADDITION OF VARIOUS POLYACIDS. THIS INCREASE IS APPARENTLY DUE PRIMARILY TO AN IONIC ABSORPTION COMPLEX IN WHICH THE POLYACIDS BOND BETWEEN LARGE ORGANIC CATIONS COATING THE MINERAL SU…
Synthèses dans la série des dérivés polycycliques aromatiques hautement condensés. L'hexabenzo‐1,12; 2,3; 4,5; 6,7; 8,9; 10,11‐coronène, le tétrabenzo‐4,5; 6,7; 11,12; 13,14‐péropyrène et le tétrabenzo‐1,2; 3,4; 8,9; 10,11‐bisanthène
Abstract The synthesis of hexabenz‐1,12;2,3;4,5;6,7;8,9;10,11‐coronene, using two different reaction schemes is described. The cyclodehydrogenation of hexaphenylbenzene, and the reaction of dibenz‐1,9;2,3‐anthrone with Zn/ZnCl 2 lead to identical products, the chemical and crystallographic properties of which demonstr…
Intrinsic Optical Absorption and the Radiative Recombination Lifetime in PbS
The intrinsic optical absorption spectrum of PbS crystals has been measured. The absorption coefficients range from about 10 ${\mathrm{cm}}^{\ensuremath{-}1}$ to ${10}^{5}$ ${\mathrm{cm}}^{\ensuremath{-}1}$ giving continuous data through the band edge. At 300\ifmmode^\circ\else\textdegree\fi{}K the data indicate a dir…
The Oxidation of Molybdenum
Scale formed upon molybdenum consists of either two or three oxide layers., depending upon temperature and time. The outermost layer is the volatile MoO3. The inner layers of oxide have a composition very close to MoO2 but do not exhibit an X-ray pattern corresponding to MoO2. The rate of evaporation of MoO3 and the m…
Corrosion of Anodically and Cathodically Polarized Magnesium in Aqueous Media
The effect of current density, p H, and temperature on the anodic behavior, cathodic behavior, and corrosion of magnesium in aqueous solutions has been studied. A tentative mechanism for the anodic oxidation of magnesium is postulated. Local corrosion and/or undermining of metallic magnesium at the anode are appreciab…
A DETAILED INVESTIGATION OF THE STRUCTURE OF HEXAGONAL BaAl2Si2O8 WITH REFERENCE TO ITS ^|^alpha;-^|^beta; INVERSION
The re-examination of the crystal structure of α-hexagonal BaAl2Si2O8 has revealed that the true symmetry of the crystal is lower than hexagonal-possibly, orthorhombic with a body centered lattice of dimensions: a=5.293, b=9.168 and c=7.79×2Å, and the crystals invariably occur in a trilling form made up by three ortho…
The investigation of free radicals trapped in low temperature carbons
The first page of this article is displayed as the abstract.
Cohesive energy densities of polymers. Part 2.—Cohesive energy densities from viscosity measurements
G. M. Bristow and W. F. Watson, Trans. Faraday Soc., 1958, 54, 1742 DOI: 10.1039/TF9585401742
The Preparation and Properties of Hexamminecobalt(III) Borohydride, Hexamminechromium(III) Borohydride and Ammonium Borhydride1
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Preparation and Properties of Hexamminecobalt(III) Borohydride, Hexamminechromium(III) Borohydride and Ammonium Borhydride1R. W. Parry, D. R. Schultz, and P. R. GirardotCite this: J. Am. Chem. Soc. 1958, 80, 1, 1–3Publication Date (Print):January 1, 1958Publication Histo…