Materials Literature
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Abstract In a recent paper Gerlach and Schneiderhan have described a series of experiments on the resistance of nickel considered both as a function of the temperature and as a function of an external field applied parallel to the wire. In the absence of an external field the change of resistance with temperature can…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffect of Temperature on the Corrosion of Zinc1G. L. CoxCite this: Ind. Eng. Chem. 1931, 23, 8, 902–904Publication Date (Print):August 1, 1931Publication History Published online1 May 2002Published inissue 1 August 1931https://pubs.acs.org/doi/10.1021/ie50260a011https://doi.…
IN the following I propose to give a general account of the present position of our knowledge as regards the algal ecology of static fresh-waters. A good deal of attention is now being paid to flowing waters in this country in relation to pollution and, since it became necessary to narrow down the field of these consi…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHigh-Pressure RectificationL. W. T. CummingsCite this: Ind. Eng. Chem. 1931, 23, 8, 900–902Publication Date (Print):August 1, 1931Publication History Published online1 May 2002Published inissue 1 August 1931https://pubs.acs.org/doi/10.1021/ie50260a010https://doi.org/10.1021/…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructure of Divalent Carbon Compounds.N. V. SidgwickCite this: Chem. Rev. 1931, 9, 1, 77–88Publication Date (Print):August 1, 1931Publication History Published online1 May 2002Published inissue 1 August 1931https://pubs.acs.org/doi/10.1021/cr60032a003https://doi.org/10.1021…
Two samples of a standard gelatin were studied, both prepared according to published specifications and washed free from diffusible electrolytes. The isoelectric point of this material was determined in four ways. 1. The pH values of solutions of gelatin in water approached the limit 4.86 +/- 0.01 as the concentration…
ABSTRACT Twenty‐one soda‐silica and twenty‐one soda‐lime‐silica glasses were made in platinum crucibles and the index of refraction and chemical compositioii of each glass were determined. From the data obtained equations were derived and a diagram was prepared showing the relations between index of refraction and com…
ADVERTISEMENT RETURN TO ISSUEArticleNEXTTHE OSMOTIC PRESSURE OF DILUTE BENZENE SOLUTIONS BY THE POROUS DISK METHODWilliam C. EichelbergerCite this: J. Am. Chem. Soc. 1931, 53, 6, 2025–2036Publication Date (Print):June 1, 1931Publication History Published online1 May 2002Published inissue 1 June 1931https://pubs.acs.or…
Silver is carefully outgassed and its photoelectric properties studied during outgassing and after stable conditions are reached. An outgassing curve is plotted for the 1200 hours of heat treatment given the silver before final readings were taken. For thoroughly outgassed silver curves are plotted showing photoemissi…
Variations in the photoelectric behavior of a gold filament were studied both during an extended outgassing, and later upon reaching a stable condition.Changes in photoelectric properties as outgassing proceeded.---Full arc sensitivity rose quickly in the initial period, then decreased slowly to a stable value. Fatigu…
The effect of light upon rosin, and compounds of rosin formed during the rosin sizing of paper has been studied, both in air and in an atmosphere of nitrogen, a relatively inert gas.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTHE THERMAL DISSOCIATION OF CALCIUM HYDRIDECharles B. Hurd and Kenneth E. WalkerCite this: J. Am. Chem. Soc. 1931, 53, 5, 1681–1689Publication Date (Print):May 1, 1931Publication History Published online1 May 2002Published inissue 1 May 1931https://pubs.acs.org/doi/10.1021/j…
Abstract A study of the clay minerals is in progress and while not complete is yielding information about some of the fundamental minerals of sedimentary materials and the conditions that favor their formation. There are several kaolin minerals, but kaolinite is the only one that is likely to be found in sedimentary b…
Abstract It is now agreed that the wet corrosion of metals is usually an electrochemical process, accompanied by the flow of electric currents over measurable distances. Direct combination, without appreciable flow of current, is indeed met with in some cases, for instance, in corrosion by a solution of a halogen. But…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTHE THERMAL DECOMPOSITION OF ORGANIC COMPOUNDS FROM THE STANDPOINT OF FREE RADICALS. I. SATURATED HYDROCARBONSF. O. RiceCite this: J. Am. Chem. Soc. 1931, 53, 5, 1959–1972Publication Date (Print):May 1, 1931Publication History Published online1 May 2002Published inissue 1 Ma…
Large Barkhausen discontinuities have previously been observed by Forrer and by Preisach in nickel wires and hard-drawn wires of the nickel-iron series respectively under stress. A prediction that these discontinuities occur in form of a propagation along the wire, starting at a nucleus, has now been substantiated. In…
This paper describes a method of stabilizing the commonly used M/20 boric acid-Af/20 potassium chloride-sodium hydroxide buffer mixtures by aerating them with ordinary fresh air until they reach a state of equilibrium with atmospheric C02.
Nearly 1,600 lines have been measured in the are spectrum of zirconium between 2,0S5 A in the ultra-violet and 9,300 A in the infra-red. Approximately 80 per cent of these lines, which includes all but 7 for which temperature classes have been determined, have been classified as combinations between terms of the singl…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetics of a Type of Heterogeneous Reactions The Mechanism of Combustion of Pulverized FuelS. P. Burke and T. E. W. SchumannCite this: Ind. Eng. Chem. 1931, 23, 4, 406–413Publication Date (Print):April 1, 1931Publication History Published online1 May 2002Published inissue 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTHE DIELECTRIC PROPERTIES OF ANTIMONY PENTACHLORIDE AND PHOSPHORUS PENTACHLORIDEJ. H. Simons and Gilbert. JessopCite this: J. Am. Chem. Soc. 1931, 53, 4, 1263–1266Publication Date (Print):April 1, 1931Publication History Published online1 May 2002Published inissue 1 April 19…