Adsorption of amino-acids and peptides by montmorillonite and illite. Part 1.—Cation exchange and proton transfer
D. J. Greenland, R. H. Laby and J. P. Quirk, Trans. Faraday Soc., 1965, 61, 2013 DOI: 10.1039/TF9656102013
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The thermal expansion of cellulose, hemicellulose, and lignin
Abstract The thermal expansion of wood constituents has been measured dilatometrically both in the dry and the water‐swollen state. Dry measure meats were made with mercury as the confining liquid on samples pressed into dense pellets at elevated temperatures and pressures. Between −30 and 30°C, the thermal expansion…
Effect of Contaminants on Resistance To Stress Corrosion Cracking Of Ni-Cr Alloy 600 in Pressurized Water
Numerous tests have shown that Alloy 600, a 76 nickel-15 chromium-7 iron alloy, has excellent corrosion resistance in pressurized high temperature water. The present tests were undertaken to determine the influence of possible contaminants in 600 F (316 C) pressurized water on corrosion behavior, using both single and…
A Model of “Lattice” Hardening in Irradiated Copper Crystals with the External Characteristics of “Source” Hardening
Abstract A model is proposed to explain the formation of slip lines in irradiated copper crystals during the propagation of the Lüders front. In this model it is shown that, due to the sweeping up of the irradiation produced defect clusters by deformation, the critical stress to produce a slip line is that required to…
Infra-red study of the reactions of ammonia with montmorillonite and saponite
J. D. Russell, Trans. Faraday Soc., 1965, 61, 2284 DOI: 10.1039/TF9656102284
Rare Earth Metal-Metal Halide Systems. VII. The Phases Gadolinium 1.6-Chloride and Gadolinium Diiodide
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRare Earth Metal-Metal Halide Systems. VII. The Phases Gadolinium 1.6-Chloride and Gadolinium DiiodideJack E. Mee and John D. CorbettCite this: Inorg. Chem. 1965, 4, 1, 88–93Publication Date (Print):January 1, 1965Publication History Published online1 May 2002Published iniss…
The Forming Process in Nickel Positive Electrodes
A detailed study has been made of the phases produced and their geometric distribution during formation of Edison‐type tubular positive nickel electrodes. The initial charging in lithiated electrolytes converts the to a beta phase having a solid solution range for di‐ and tetravalent nickel. The beta crystalline struc…
Infrared Studies of Ligand-Ligand Interaction in Dihalogenodiammineplatinum(II) Complexes
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInfrared Studies of Ligand-Ligand Interaction in Dihalogenodiammineplatinum(II) ComplexesKazuo Nakamoto, Paul J. McCarthy, Junnosuke Fujita, Robert A. Condrate, and George T. BehnkeCite this: Inorg. Chem. 1965, 4, 1, 36–43Publication Date (Print):January 1, 1965Publication H…
Crystal Fields at Rare-Earth Ions
The object of this paper is to find out why the calculated rare-earth crystal-field parameters do not agree with those determined experimentally. As is well known, in explaining the 4f spectra in the rare-earth compounds, one needs relatively few crystal-field constants, Vnm's. These Vnm's have been measured for many…
Solution and diffusion of gases and vapors in silicone rubber membranes
Abstract Solution and diffusion of He, Ne, Ar, Kr, Xe, H 2 , N 2 , O 2 , and n ‐C 4 H 10 have been studied in filled dimethylpolysiloxane elastomers, at temperatures between 0 and −37°C. for all penetrants, and down to −78°C. for some. Crystallization of the rubber, commencing at about −50°C. resulted in large decreas…
Energy Levels of U4+ in an Octahedral Crystalline Field
The electronic energy levels determined from absorption spectra of U4+ in crystals containing UCl62— complexes are identified as to irreducible representation and the resulting set of levels used to determine the least-squares best values of Slater Fk integrals, spin—orbit ζ5f, and fourth- and sixth-degree crystalline…
Electron Spin Resonance of α- and β-Cobalt Phthalocyanine1a
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectron Spin Resonance of α- and β-Cobalt Phthalocyanine1aJacques M. Assour and Walter K. KahnCite this: J. Am. Chem. Soc. 1965, 87, 2, 207–212Publication Date (Print):January 1, 1965Publication History Published online1 May 2002Published inissue 1 January 1965https://pubs.…
Rates of Inorganic Calcium Carbonate Nucleation
The induction period for the inorganic precipitation of calcium carbonate was examined over a wide range of supersaturations. Results suggest that inorganic precipitation in average sea water would require about $$10^{5}$$ years. If most of the bicarbonate were converted to carbonate, precipitation could occur in 500…
Vapor Deposition of Metals by Hydrogen Reduction of Metal Chelates
Thin film deposits of Cu, Ni, and Rh were obtained by hydrogen reduction of , , , and from the gas phase (tfa = trifluoroacetylacetonate anion; hfa = hexafluoroacetylacetonate anion). The chelates are well suited for gas plating purposes by virtue of their high volatility and ease of reduction by hydrogen. The deposit…
Current Transients in Insulators
Electronic currents in insulators are strongly controlled by trap sites and therefore trapping can account for long-term charge and discharge currents. Some general calculations are carried out for the discharge of disorderly insulators; in most cases the discharge current decreases inversely with time. Measurements a…
Vibrational Spectra of Isotopic Nitric Acids
The vibrational spectra of four isotopic nitric acid molecules including the 15N and D species have been obtained in the vapor and solid phases. The Raman spectra of anhydrous and wet normal nitric acid were also studied. Previous assignment of the fundamental modes has been revised, and the spectra in the three phase…
The thermal equilibrium shape and size of holes in solids
The generalized equations of state governing the attainment of equilibrium have been formulated for bubbles (holes containing gas under pressure) and for voids (holes containing no gas). The equilibrium shape of bubbles is shown to be that which produces the minimum surface energy (γ) for a specific volume, and is uni…
Primary photochemical processes in aromatic molecules. Part 12.—Excited states of benzophenone derivatives
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Structural Evaluation of Silicon Oxide Films
Techniques for physical and chemical evaluation of silicon oxide films formed by a wide variety of techniques have been developed. It has been established that by the use of infrared absorption spectroscopy, preferential etching procedures, precise optical measurements of thickness, density, and refractive indices, an…
Action des matieres organiques sur la stabilite structurale du sol
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