78. Bond lengths and resonance in the cis-azobenzene molecule
G. C. Hampson and J. M. Robertson, J. Chem. Soc., 1941, 409 DOI: 10.1039/JR9410000409
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51. 5-Amino-1-aryl-3-methylpyrazoles
F. Bell, J. Chem. Soc., 1941, 285 DOI: 10.1039/JR9410000285
Acid Corrosion of Steel
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAcid Corrosion of SteelGlenn H. DamonCite this: Ind. Eng. Chem. 1941, 33, 1, 67–69Publication Date (Print):January 1, 1941Publication History Published online1 May 2002Published inissue 1 January 1941https://pubs.acs.org/doi/10.1021/ie50373a013https://doi.org/10.1021/ie50373…
Spherulitic Crystallization as a Mechanism of Skeletal Growth in the Hexacorals.
The Skeleton of the Hexaeoralla.III
Porphyrin Studies. IV.1 The Synthesis of α,β,γ,δ-Tetraphenylporphine
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPorphyrin Studies. IV.1 The Synthesis of α,β,γ,δ-TetraphenylporphinePaul Rothemund and Amel R. MenottiCite this: J. Am. Chem. Soc. 1941, 63, 1, 267–270Publication Date (Print):January 1, 1941Publication History Published online1 May 2002Published inissue 1 January 1941https:…
Base Exchange of the Clay Mineral Montmorillonite for Organic Cations and its Dependence upon Adsorption due to van der Waals Forces.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBase Exchange of the Clay Mineral Montmorillonite for Organic Cations and its Dependence upon Adsorption due to van der Waals Forces.Sterling B. HendricksCite this: J. Phys. Chem. 1941, 45, 1, 65–81Publication Date (Print):January 1, 1941Publication History Published online1…
Theory of the Transition in KH2PO4
Potassium dihydrogen phosphate contains phosphate groups connected by hydrogen bonds. Different possible arrangements of the hydrogens result effectively in different orientations of the (H2PO4)— dipoles. Since these have the lowest energy when pointing along the axis of the crystal, there is a tendency toward spontan…
X-Ray crystallography and the chemistry of the steroids. Part I
Abstract A survey has been made of the X-ray crystallography of some eighty sterol derivatives belonging mainly to the cholesterol and ergosterol series but including also calciferol and other photoderivatives of ergosterol and some higher plant and animal sterols. The measurements are recorded in four tables and incl…
Catalytic activity, crystal structure and adsorptive properties of evaporated metal films
Abstract Metal films of high and reproducible catalytic activity were obtained by condensation of their vapours on glass at any desired temperature. The catalytic activity was measured by the hydrogenation of ethylene. The crystal structure of these films was investigated by electron diffraction. By controlling the pr…
Scattering Matrix of Radioactive States
The method of complex eigenvalues is generalized to many dimensional problems by means of the scattering matrix. It is essential to allow for the existence of a background matrix on which the resonance is superposed. The "radioactive state" (i.e., the state with complex energy for which waves in all disintegration cha…
Nylon as a Textile Fiber
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNylon as a Textile FiberG. P. HoffCite this: Ind. Eng. Chem. 1940, 32, 12, 1560–1564Publication Date (Print):December 1, 1940Publication History Published online1 May 2002Published inissue 1 December 1940https://pubs.acs.org/doi/10.1021/ie50372a007https://doi.org/10.1021/ie5…
Effect of composition and other factors on the specific refraction and dispersion of glasses
Seven of the better known specific-refraction ratios were examined for their comparative appl,icability to glass. It is shown by a comprehensive statistical treatment of available data (including many new data) that, of these ratios, only the Gladstone-Dale possesses to a satisfactory degree each of the following desi…
Natural Protein-Base Spun Fibers
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNatural Protein-Base Spun FibersF. C. AtwoodCite this: Ind. Eng. Chem. 1940, 32, 12, 1547–1549Publication Date (Print):December 1, 1940Publication History Published online1 May 2002Published inissue 1 December 1940https://pubs.acs.org/doi/10.1021/ie50372a003https://doi.org/1…
Elastic Recovery and Plastic Flow in Raw Rubber
Abstract In considering existing information on the mechanical properties of raw rubber, it is not generally possible to distinguish between the effects of elastic and of plastic deformation. In the experiments described great care was taken to secure the complete removal of elastic strain, after stretching to various…
Theory of hysteresis-motor torque
THE object of this study is the development of a quantitative theory of hysteresis-motor torque, especially in relation to magnetic properties and dimensions. The theory is interpreted physically in an idealized case, and applied to a particular motor to verify the result experimentally.
Sterols. CXII. Sapogenins. XLI. The Preparation of Trillin and its Conversion to Progesterone
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSterols. CXII. Sapogenins. XLI. The Preparation of Trillin and its Conversion to ProgesteroneRussell E. Marker and John KruegerCite this: J. Am. Chem. Soc. 1940, 62, 12, 3349–3350Publication Date (Print):December 1, 1940Publication History Published online1 May 2002Published…
Metallo Borohydrides. II. Beryllium Borohydride
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetallo Borohydrides. II. Beryllium BorohydrideAnton B. Burg and H. I. SchlesingerCite this: J. Am. Chem. Soc. 1940, 62, 12, 3425–3429Publication Date (Print):December 1, 1940Publication History Published online1 May 2002Published inissue 1 December 1940https://pubs.acs.org/…
Theory of Hysteresis-Motor Torque
THE object of this study is the development of a quantitative theory of hysteresis-motor torque, especially in relation to magnetic properties and dimensions. The theory is interpreted physically in an idealized case, and applied to a particular motor to verify the result experimentally.
Metallo Borohydrides. I. Aluminum Borohydride
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetallo Borohydrides. I. Aluminum BorohydrideH. I. Schlesinger, R. Thomas Sanderson, and A. B. BurgCite this: J. Am. Chem. Soc. 1940, 62, 12, 3421–3425Publication Date (Print):December 1, 1940Publication History Published online1 May 2002Published inissue 1 December 1940http…
The Magnetic Properties of the Iron Group Anhydrous Chlorides at Low Temperatures. I. Experimental
The magnetic susceptibility of the anhydrous chlorides of the iron group have been studied as a function of field strength up to 32,000 gauss and as a function of temperature down to 13.9\ifmmode^\circ\else\textdegree\fi{}K. Those compounds whose room temperature susceptibility characteristic indicates a positive Curi…