The Direct Determination of the Critical Temperature and Critical Pressure of Normal Deuterium. Vapor Pressures between the Boiling and Critical Points1

1951 ◽  
Vol 73 (3) ◽  
pp. 1310-1311 ◽  
Author(s):  
Abraham Solomon Friedman ◽  
David White ◽  
Herrick L. Johnston
Keyword(s):  
Critical Temperature ◽  
Critical Pressure ◽  
Direct Determination ◽  
Vapor Pressures

The Direct Determination of the Critical Temperature and Critical Pressure of Normal Hydrogen1

1950 ◽  
Vol 72 (8) ◽  
pp. 3565-3568 ◽  
Author(s):  
David White ◽  
Abraham Solomon Friedman ◽  
Herrick L. Johnston
Keyword(s):  
Critical Temperature ◽  
Critical Pressure ◽  
Direct Determination

Direct Determination of Low Vapor Pressures

1937 ◽  
Vol 9 (6) ◽  
pp. 264-267 ◽  
Author(s):  
K. C. D. Hickman ◽  
J. C. Heckler ◽  
N. D. Embree
Keyword(s):  
Direct Determination ◽  
Vapor Pressures

VAPOR PRESSURES OF AQUEOUS SOLUTIONS OF SILVER NITRATE, OF AMMONIUM NITRATE, AND OF LITHIUM NITRATE

1956 ◽  
Vol 34 (2) ◽  
pp. 151-159 ◽  
Author(s):  
A. N. Campbell ◽  
J. B. Fishman ◽  
G. Rutherford ◽  
T. P. Schaefer ◽  
L. Ross
Keyword(s):  
Aqueous Solutions ◽  
Silver Nitrate ◽  
Direct Determination ◽  
Lithium Ion ◽  
Silver Ions ◽  
Lithium Nitrate ◽  
Vapor Pressures ◽  
Heats Of Dilution ◽  
Water Of Hydration

This paper is devoted to the direct determination of the vapor pressures of solutions of the nitrates of silver, of ammonium, and of lithium, at temperatures varying from 30 °C. to 105 °C. and at concentrations varying from 10 to 85 weight % (for lithium nitrate, the limited solubility precluded measurements beyond 65%). From the vapor pressures, the enthalpies of evaporation of water (by a modification of the Clapeyron–Clausius equation), the differential heats of dilution, and the activities of water (as compared with the mole fractions of the solvent) have been calculated. From the results we conclude that the water of hydration of the ammonium and silver ions (if, indeed, these ions are hydrated at all) is very loosely attached, while that of the lithium ion is strongly bound.

The Direct Determination of I131 in Heterogeneous Fecal Specimens

1961 ◽  
Vol 41 (4) ◽  
pp. 380-384 ◽  
Author(s):  
Arthur F. Dratz ◽  
James C. Coberly
Keyword(s):  
Direct Determination

A New Method for Direct Determination of the Recoilless Fraction with Application to Magnetic Nanoparticles

2002 ◽  
Vol 721 ◽  
Author(s):  
Monica Sorescu
Keyword(s):  
Room Temperature ◽  
Average Particle Size ◽  
Direct Determination ◽  
Average Particle ◽  
Lattice Method ◽  
Recoilless Fraction ◽  
Single Room ◽  
Magnetite Particles ◽  
Physical Mixtures

AbstractWe propose a two-lattice method for direct determination of the recoilless fraction using a single room-temperature transmission Mössbauer measurement. The method is first demonstrated for the case of iron and metallic glass two-foil system and is next generalized for the case of physical mixtures of two powders. We further apply this method to determine the recoilless fraction of hematite and magnetite particles. Finally, we provide direct measurement of the recoilless fraction in nanohematite and nanomagnetite with an average particle size of 19 nm.

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