Materials Literature
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Heat-Qf-solution and ignition-loss methods have been developed for determining the degree of hydration of magnesia in hydrated dolomitic limes and in hydrated dolomitic lime putties. The rate of hydratiQn Qf magnesia in such limes has been studied when the limes were aged as putties at different temperatures, when sub…
Molecular structures of P4O6 and As4O6 were determined from electron diffraction data. P4O6 was found to have the symmetry of the point group Td with an angle P–O–P of 128.5±1.5°, and a P–O distance of 1.67±0.03A. In this structure the phosphorus oxygen distances and the phosphorus valence angles were preserved with r…
The current density in a focused beam of cathode rays is shown to have an upper limit defined by I = I0(Ee/kT+1) sin2φ, where I is the maximum current density obtainable in the focused spot, I0is the current density at the cathode, E is the voltage at the focus relative to the cathode, T is the absolute temperature of…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInitial Corrosion Rate of Mild Steel Influence of the cationC. W. BorgmannCite this: Ind. Eng. Chem. 1937, 29, 7, 814–821Publication Date (Print):July 1, 1937Publication History Published online1 May 2002Published inissue 1 July 1937https://pubs.acs.org/doi/10.1021/ie50331a0…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Vapor Pressure of Copper and IronA. L. Marshall, R. W. Dornte, and F. J. NortonCite this: J. Am. Chem. Soc. 1937, 59, 7, 1161–1166Publication Date (Print):July 1, 1937Publication History Published online1 May 2002Published inissue 1 July 1937https://pubs.acs.org/doi/10.1…
An attempt was made in a previously reported research (14) to determine the volumetric contraction occurring in the water adsorbed by cellulosic materials. Apparent density measurements of wood and cellulose containing various amounts of adsorbed water were made in benzene. Benzene causes no swelling of cellulosic mat…
The mathematical treatment of dipole-dipole coupling in my previous article on magnetism applies with but little modification to the electric case. Because of fluctuation effects, the use of the usual Lorentz local field E+4πP/3 and of the Clausius-Mossotti formula cannot be justified except as a first approximation v…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGluconic Acid Production Effect of Pressure, Air flow and Agitation on Gluconic Acid Production by Submerged Mold GrowthsP. A. Wells, A. J. Moyer, J. J. Stubbs, H. T. Herrick, and O. E. MayCite this: Ind. Eng. Chem. 1937, 29, 6, 653–656Publication Date (Print):June 1, 1937Pu…
ADVERTISEMENT RETURN TO ISSUEArticleNEXTAn X-ray Diffraction Study of the Action of Liquid Ammonia on Cellulose and Its DerivativesG. L. Clark and E. A. ParkerCite this: J. Phys. Chem. 1937, 41, 6, 777–786Publication Date (Print):June 1, 1937Publication History Published online1 May 2002Published inissue 1 June 1937ht…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Vapor Pressure of Phosphorus PentoxideJ. C. Southard and R. A. NelsonCite this: J. Am. Chem. Soc. 1937, 59, 5, 911–916Publication Date (Print):May 1, 1937Publication History Published online1 May 2002Published inissue 1 May 1937https://doi.org/10.1021/ja01284a042Request…
The system PbO-B20 3, of interest to investigators and manufacturers of ceramic glazes and glasses, was studied by well-known methods involving quenching and petrographic examination.In addition, limits of liquid immiscibility were obtained by direct observation.Seven crystalline forms of binary compounds were found a…
Abstract Die Verbindungen (NH 4 ) 2 SbBr 6 , Rb 2 SbBr 6 und Rb 2 SbCl 6 sind kubisch, flächenzentriert, mit Metallatomen in (8e), Antimonatomen in (4b) und Halogenatomen in (24a) (Bezeichnungen nach WYCKOFF). Die Gitterkonstanten wurden zu 10,69, 10,67 und 10,17 ± 0,02 Å und der Halogenparameter zu 0,243 ± 0,003 best…
Abstract Es wurden die Schmelzdiagramme einer Reihe von Oxyden gemischt mit CeO 2 untersucht. Alle Gemische ergaben nur ein einfaches Zusammenschmelzen bis auf Cr 2 O 3 welches eine Verbindung CeCrO 3 zeigte. Das CeO 2 wurde nur beim Schmelzen in Gemischen mehr oder weniger zu Ce 2 O 3 reduziert, allein erwies es sich…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Formula of Ammonium ParamolybdateJ. H. SturdivantCite this: J. Am. Chem. Soc. 1937, 59, 4, 630–631Publication Date (Print):April 1, 1937Publication History Published online1 May 2002Published inissue 1 April 1937https://pubs.acs.org/doi/10.1021/ja01283a010https://doi.org…
Investigation of the 3-percent chromic acid anodizing bath showed that the recommended voltage cycle was essential for formation of the best coatings. It was shown that not only could the corrosion-inhibiting properties of the coatings be improved by an increase in concentration of the electrolyte to 5 to 10 percent o…
ADVERTISEMENT RETURN TO ISSUEArticleNEXTTHE PREPARATION AND ALKYLATION OF METAL ACETYLIDES IN LIQUID AMMONIA*T. H. Vaughn, G. F. Hennion, R. R. Vogt, and J. A. NieuwlandCite this: J. Org. Chem. 1937, 02, 1, 1–22Publication Date (Print):March 1, 1937Publication History Published online1 May 2002Published inissue 1 Marc…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAromatization of Cellulose by HeatR. C. Smith and H. C. HowardCite this: J. Am. Chem. Soc. 1937, 59, 2, 234–236Publication Date (Print):February 1, 1937Publication History Published online1 May 2002Published inissue 1 February 1937https://pubs.acs.org/doi/10.1021/ja01281a005…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTVapor Pressure of Commerical High-Boiling Organic SolventsGeorge S. Gardner and J. Edward BrewerCite this: Ind. Eng. Chem. 1937, 29, 2, 179–181Publication Date (Print):February 1, 1937Publication History Published online1 May 2002Published inissue 1 February 1937https://pubs…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectric Potentials at Crystal Surfaces, and at Silver Halide Surfaces in ParticularI. M. Kolthoff and H. L. SandersCite this: J. Am. Chem. Soc. 1937, 59, 2, 416–420Publication Date (Print):February 1, 1937Publication History Published online1 May 2002Published inissue 1 Feb…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies in the Oxidation of Alpha Ray Cuprene1S. C. Lind and C. H. SchiflettCite this: J. Am. Chem. Soc. 1937, 59, 2, 411–413Publication Date (Print):February 1, 1937Publication History Published online1 May 2002Published inissue 1 February 1937https://pubs.acs.org/doi/10.10…