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The Determination of the Structures of Complex Molecules and Ions from X-Ray Diffraction by Their Solutions: The Structures of the Groups PtBr6--, PtCl6--, Nb6Cl12++, Ta6Br12++, and Ta6Cl12++

Philip A. Vaughan、J. H. Sturdivant、Linus Pauling1950-12-01Journal of the American Chemical Society

We have applied X-ray diffraction from solutions to the determination of the structures of chloro- and bromoplatinic acids and some complex lower halides of niobium and tantalum. We have interpreted the diffraction photographs by the visual estimation technique which has been used in these laboratories to determine th…

Inorganic and Organometallic ChemistryX-ray Diffraction in CrystallographyMachine Learning in Materials Science

Preparation, Structure, and Applications of Thin Films of Silicon Monoxide and Titanium Dioxide

G. Hass1950-12-01Journal of the American Ceramic Society

A material satisfying the chemical formula for silicon monoxide can be prepared by heating finely divided silicon and silica in vacuum. Silicon monoxide is structurally different from either silicon or silica and exists only in amorphous form. Vacuum‐deposited thin films of silicon monoxide decompose to silicon and si…

Glass properties and applicationsTransition Metal Oxide NanomaterialsPhotorefractive and Nonlinear Optics

Some Factors Influencing the Activity of Raney Nickel Catalyst. I. Preparation of Raney Nickel from Nickel—Magnesium Alloy1

John N. Pattison、Ed. F. Degering1950-12-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSome Factors Influencing the Activity of Raney Nickel Catalyst. I. Preparation of Raney Nickel from Nickel—Magnesium Alloy1John N. Pattison and Ed. F. DegeringCite this: J. Am. Chem. Soc. 1950, 72, 12, 5756Publication Date (Print):December 1, 1950Publication History Publishe…

Nanomaterials for catalytic reactionsNanoporous metals and alloysCorrosion Behavior and Inhibition

Chlorotrifluoroethylene Polymers

W. H. Reysen、J. D. Gibson1950-12-01Industrial & Engineering Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTChlorotrifluoroethylene PolymersW. H. Reysen and J. D. GibsonCite this: Ind. Eng. Chem. 1950, 42, 12, 2468–2471Publication Date (Print):December 1, 1950Publication History Published online1 May 2002Published inissue 1 December 1950https://pubs.acs.org/doi/10.1021/ie50492a025…

Silicone and Siloxane Chemistry

I. The Vaporization of Strontium Oxide

George E. Moore、H. W. Allison、J. D. Struthers1950-12-01The Journal of Chemical Physics

The vapor pressure of SrO was measured by studying the product evaporated from platinum filaments coated with SrO. Most of the experiments employed radiactive isotopes.* The possibility of systematic error caused by chemical reduction of the oxide or by its thermal dissociation is discussed. A value of λ0, the heat of…

Nuclear reactor physics and engineeringFusion materials and technologiesNuclear Materials and Properties

Differential thermal analysis curves of carbonate minerals

Carl W. Beck1950-12-01American Mineralogist

Fifty-one differential thermal analysis curves are presented and interpreted. These curves are of forty-eight carbonate minerals, one artificial carbonate, one oxide mineral, and one artificial oxide.

Thermal and Kinetic Analysis

Effect of Structure on the Rate of Spontaneous Thermal Decomposition of Substituted Benzoyl Peroxides

C. Gardner Swain、W. H. Stockmayer、J. T. Clarke1950-12-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffect of Structure on the Rate of Spontaneous Thermal Decomposition of Substituted Benzoyl PeroxidesC. Gardner Swain, Walter H. Stockmayer, and John T. ClarkeCite this: J. Am. Chem. Soc. 1950, 72, 12, 5426–5434Publication Date (Print):December 1, 1950Publication History Pub…

Porphyrin and Phthalocyanine ChemistryCatalysis and Oxidation ReactionsAdvanced Chemical Physics Studies

Manufacture and Uses of Ethylene Oxide and Ethylene Glycol

Paul P. McClellan1950-12-01Industrial & Engineering Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTManufacture and Uses of Ethylene Oxide and Ethylene GlycolP. P. McClellanCite this: Ind. Eng. Chem. 1950, 42, 12, 2402–2407Publication Date (Print):December 1, 1950Publication History Published online1 May 2002Published inissue 1 December 1950https://pubs.acs.org/doi/10.1021…

Microfluidic and Capillary Electrophoresis ApplicationsMesoporous Materials and CatalysisAnalytical Chemistry and Chromatography

Intramolecular Reaction in Polycondensations. II. Ring-Chain Equilibrium in Polydecamethylene Adipate

Homer Jacobson、Charles O. Beckmann、W. H. Stockmayer1950-12-01The Journal of Chemical Physics

Decamethylene adipate polymers prepared in the absence of solvent undergo a reversible decrease in solution viscosity when heated for long times in chlorobenzene. This phenomenon is shown to be due to ester interchange reactions which establish equilibrium between ring and chain molecules. Quantitative agreement with…

Polymer Nanocomposites and PropertiesPolymer crystallization and propertiesAdvanced Physical and Chemical Molecular Interactions

Le broyege

A. Joisel1950-12-01Materiales de Construccion

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