Beitrag zur Kenntnis der fraktionierten Kristallisation radioaktiver Stoffe, nebst dem Versuche einer Theorie dieses Vorganges. II. Mitteilung. Gleichgewicht in dem System Bariumbromid–Radiumbromid, Bromwasserstoffsäure und Wasser bei t° = O° und t° = 25°C

Chlopin, Witalius; Nikitin, Boris

doi:10.1002/zaac.19271660129

Cited by 15 publications

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“…where a and b are the initial amounts and y and n are the final amounts of radium and barium chlorides in solution; X is a constant. These equations have been employed by several workers (Callow, 1962; Chlopin, 1927Chlopin, , 1929Chlopin, , 1930Marques, 1936;Polessitskii, 1933;Riehl and Kading, 1930) to explain the results of their studies on equilibrium and nonequilibrium systems.…”

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Distribution of Isomorphous Salts between Aqueous and Solid Phases in Fractional Crystallization. Nickel Ammonium Sulfate-Magnesium Ammonium Sulfate-Water and Barium Nitrate-Lead Nitrate-Water Systems

Murthy¹,

Mahadevappa²

1970

Ind. Eng. Chem. Proc. Des. Dev.

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The distribution of isomorphous salts between aqueous and solid phases infractional crystallization was determined. The results were examined from the standpoint of theoretical equations developed by Doerner and Hoskins, Berthelot and Nernst, and Abu Elamayem. Calculations of the distribution constants, X and D, employed in the Doerner and Hoskins and Berthelot and Nernst equations, respectively, show that these equations are not strictly applicable to the systems studied. Experimental results can be quantitatively explained, however, by Abu Elamayem's equation. The less soluble salt is separated more effectively by allowing a small weight fraction of the crystals to separate from a ternary system.

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confidence: 99%