ON THIOSEMICARBAZONE–COPPER (I) COMPLEXES. PART IV

1964 ◽  
Vol 42 (1) ◽  
pp. 17-19 ◽  
Author(s):  
B. A. Gingras ◽  
A. F. Sirianni
Keyword(s):  
Nitrogen Atom ◽  
Vapor Pressure ◽  
Infinite Dilution ◽  
Probable Structure ◽  
Sulphur Atom ◽  
Molecular Weights ◽  
Pressure Lowering ◽  
Most Probable Structure

The structure of thiosemicarbazone–copper (I) complexes has been studied further and new data have been obtained. The most probable structure has the metal linearly coordinated to a sulphur atom of a thiosemicarbazone molecule and a nitrogen atom of a second molecule. The diamagnetism of the complexes can be accounted for by a copper–copper interaction. Molecular weights of two typical complexes have been measured by a vapor pressure lowering method in benzene. The complexes were found to associate in this solvent but appeared as dimers at infinite dilution.

THE MOLECULAR WEIGHT OF POLYETHYLENE AND OF OTHER HIGH-MOLECULAR-WEIGHT ORGANIC COMPOUNDS

1958 ◽  
Vol 36 (5) ◽  
pp. 725-730 ◽  
Author(s):  
R. Tremblay ◽  
A. F. Sirianni ◽  
I. E. Puddington
Keyword(s):  
Molecular Weight ◽  
Vapor Pressure ◽  
High Molecular Weight ◽  
Organic Compounds ◽  
Molecular Weight Range ◽  
Weight Range ◽  
Temperature Range ◽  
Molecular Weights ◽  
Pressure Lowering ◽  
Good Agreement

The temperature range of the measurement of vapor-pressure depression using a sensitive differential mercury micromanometer has been extended, and the behavior of a series of polyethylene samples having a molecular-weight range of 2500 to 24,000 was examined in toluene solutions at 75 °C. Good agreement was obtained between vapor-pressure lowering and other means of determining number-average molecular weights of several special compounds.

Dimensions de micelles mixtes de p-alkylbenzènesulfonates par diffusion central des rayons X

1977 ◽  
Vol 10 (1) ◽  
pp. 37-44 ◽  
Author(s):  
C. Cabos ◽  
P. Delord ◽  
J. Rouviere
Keyword(s):  
Small Angle ◽  
Small Angle Scattering ◽  
Micellar Solutions ◽  
Probable Structure ◽  
X Ray ◽  
Absolute Scale ◽  
Angle Scattering ◽  
Scattering Measurements ◽  
Two Component ◽  
Most Probable Structure

The structure of micellar solutions is determined from X-ray small-angle scattering measurements on an absolute scale. The most probable structure is chosen by comparison with spherical cylindrical and lamellar models. This method is applied to two-component micelles and it is possible to follow the variation of micellar dimensions when the concentration of each component is varying.

scholarly journals Kinetic Approach for the Vapor Pressure Lowering by Non Volatile Solutes

2010 ◽  
Vol 21 (4) ◽  
pp. 274-277
Author(s):  
Edgardo Rubén Donati ◽  
Julio Andrade–Gamboa
Keyword(s):  
Vapor Pressure ◽  
Kinetic Approach ◽  
Pressure Lowering

THE CROSBYTON ANOMALY, SOUTHEASTERN CROSBY COUNTY, TEXAS

Geophysics ◽  
1942 ◽  
Vol 7 (2) ◽  
pp. 179-191
Author(s):  
Ethel Ward McLemore ◽  
Paul Weaver ◽  
Donald C. Barton
Keyword(s):  
Torsion Balance ◽  
Probable Structure ◽  
Geological Interpretation ◽  
Most Probable Structure

The purpose of this study has been the interpretation of the most probable structure producing the slightly subcircular anomaly at Crosbyton, as mapped by the pendulum, torsion balance, magnetometer, and dip needle. Work was begun in 1935 under the direction of Dr. Barton, who was to have written the geological considerations. All calculations were completed in 1938, but unfortunately the geological interpretation was not written by Dr. Barton before his death, July 8, 1939. At my request, since he had discussed the Crosbyton anomaly with Dr. Barton many times, and was quite familiar with the work we were doing, Mr. Weaver kindly consented to write the geological interpretation and help me with the completion of the paper. It is due to his knowledge and able assistance that the paper has been brought up to date in the light of subsequent drilling by the Gulf Oil Corporation.

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