Radiostrontium Removal from Milk, Determination of Apparent Equilibrium Constants of the Exchange Reactions of Sodium, Potassium, Calcium, and Magnesium with Amberlite IR-120

1963 ◽  
Vol 11 (2) ◽  
pp. 156-158 ◽  
Author(s):  
A. R. Landgrebe ◽  
L. F. Edmondson ◽  
F. W. Douglas
Keyword(s):  
Equilibrium Constants ◽  
Exchange Reactions ◽  
Sodium Potassium ◽  
Calcium And Magnesium ◽  
Apparent Equilibrium

Rapid atomic spectrometric determination of sodium, potassium, calcium and magnesium in powdered milk by direct dispersion

The Analyst ◽  
1986 ◽  
Vol 111 (12) ◽  
pp. 1375 ◽  
Author(s):  
Miguel de la Guardia ◽  
Amparo Salvador ◽  
Pilar Bayarri ◽  
Rosaura Farre
Keyword(s):  
Powdered Milk ◽  
Sodium Potassium ◽  
Calcium And Magnesium

Determination of the equilibrium constants of water-methanol deuterium exchange reactions from vapour pressure measurements

1980 ◽  
Vol 33 (1) ◽  
pp. 9 ◽  
Author(s):  
ZS Koner ◽  
RC Phutela ◽  
DV Fenby
Keyword(s):  
Equilibrium Constant ◽  
Satisfactory Agreement ◽  
Vapour Pressure ◽  
Equilibrium Constants ◽  
Deuterium Exchange ◽  
Pressure Measurements ◽  
Exchange Reactions ◽  
Molar Excess

The equilibrium constant of the reaction2CH3OH(l) + D2O(l) → 2CH3OD(l) + H2O(l) is obtained from vapour pressure measurements. The value, 1.09k0.02 at 298 K, is in satisfactory agreement with calculated values and with calorimetric estimates. Vapour pressures at 298.14 K are reported for the systems H2O + CH3OH, H2O+CH3OD, D2O + CH3OH and D2O+ CH3OD. Molar excess Gibbs functions are obtained from these vapour pressures.

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