MOLTEN SALTS ELECTRICAL CONDUCTIVITY IN THE SYSTEM SILVER CHLORIDE – SILVER NITRATE

1951 ◽  
Vol 29 (9) ◽  
pp. 777-784 ◽  
Author(s):  
R. C. Spooner ◽  
F. E. W. Wetmore

Conductivity and density data have been obtained for the system silver chloride – silver nitrate. The Arrhenius activation energy for electrical migration in molten silver chloride is constant at 1280 cal. mole−1 from 460 to 530 °C.; for silver nitrate there is a variation from 3300 cal. mole−1 at 220 ° to 2700 at 320 °C., which indicates a diminution of structural forces in molten silver nitrate with increase in temperature. The activation energy for binary melts of the two salts at 320 °C. is constant at 2700 cal. mole−1 from 0 to 20 mole % silver chloride; Frenkel's simple equation for the dependence of the activation energy on composition is not supported by this work.

1952 ◽  
Vol 30 (12) ◽  
pp. 922-923 ◽  
Author(s):  
June Byrne ◽  
Helen Fleming ◽  
F. E. W. Wetmore

Conductivity and density data have been obtained for the system silver nitrate – sodium nitrate. The Arrhenius energy of activation for electrical migration in sodium nitrate and in the binary melts decreases with rising temperature above the melting point, as was shown previously for silver nitrate. The equivalent conductivity isotherms for the binary melts are almost linear in the mole fraction.


1954 ◽  
Vol 32 (9) ◽  
pp. 864-866 ◽  
Author(s):  
S. Hill ◽  
F. E. W. Wetmore

Conductivity data have been combined with transport fractions to show that silver chloride in dilute solutions in silver nitrate can be regarded as being almost completely in the form of complex cation. The mobility of the complex ion is shown to be about one-half that of silver ion.


2018 ◽  
Vol 31 (3) ◽  
pp. 20
Author(s):  
Sarmad M. M. Ali ◽  
Alia A.A. Shehab ◽  
Samir A. Maki

In this study, the ZnTe thin films were deposited on a glass substrate at a thickness of 400nm using vacuum evaporation technique (2×10-5mbar) at RT. Electrical conductivity and Hall effect measurements have been investigated as a function of variation of the doping ratios (3,5,7%) of the Cu element on the thin ZnTe films. The temperature range of (25-200°C) is to record the electrical conductivity values. The results of the films have two types of transport mechanisms of free carriers with two values of activation energy (Ea1, Ea2), expect 3% Cu. The activation energy (Ea1) increased from 29meV to 157meV before and after doping (Cu at 5%) respectively. The results of Hall effect measurements of ZnTe , ZnTe:Cu films show that all films were (p-type), the carrier concentration (1.1×1020 m-3) , Hall mobility (0.464m2/V.s) for pure ZnTe film, increases the carrier concentration (6.3×1021m-3) Hall mobility (2m2/V.s) for doping (Cu at 3%) film, but  decreases by increasing Cu concentration.


2012 ◽  
Vol 38 (1) ◽  
pp. 45-56 ◽  
Author(s):  
Masanobu Kusakabe ◽  
Shigeharu Takeno ◽  
Takahiro Koishi ◽  
Shigeki Matsunaga ◽  
Shigeru Tamaki

PEDIATRICS ◽  
1977 ◽  
Vol 60 (5) ◽  
pp. 770-770
Author(s):  
William D. Cochran

The article "Ophthalmia Neonatorum: A Chart Review" by Armstrong et al. (Pediatrics 57:884, June 1976) catches my eye. If one reads the Credé prophylaxis method of instilling silver nitrate into the eyes of newborns, one realizes that should anything be instilled into the eye afterwards to wash out the silver nitrate it should not be saline. The chloride reacts with the silver, forming silver chloride, which is ineffective as an antibacterial. Perhaps this is why they had as many as 43 cases of gonococcal conjunctivitis during their six-year review!


2019 ◽  
Vol 74 (9) ◽  
pp. 739-742
Author(s):  
Elena V. Nikolaeva ◽  
Andrey L. Bovet ◽  
Irina D. Zakiryanova

AbstractThe electrical conductivity of molten ternary alkali carbonate eutectic, coexisting with MgO particles, has been investigated. The conductivity was measured by the AC impedance method. The apparent activation energy ΔEa increased with the MgO content. This fact can be attributed to the effect of the solid phase. The specific conductivity of those systems could not be described using the Maxwell model over the solvation process of the carbonate ions on the particles of the magnesium oxide.


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