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  • 1
    Electronic Resource
    Electronic Resource
    Interphase partition in systems containing anomalous mixed crystals Communication 5. The systems NH4Cl-CdCl2-H2O and NH4Cl-NiCl2- H2O (1956)
    Springer
    Russian chemical bulletin 5 (1956), S. 1469-1473 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary 1. The system NH4Cl-CdCl2-H2O differs radically from all previously studied systems formed by ammonium and heavy-metal chlorides, for in this case reduction in the cadmium concentration of the solution is associated with rise in the partition coefficient, which tends to infinity. 2. The system NH4Cl-NiCl2-H2O is similar to the analogous iron system, for reduction in the nickel concentration of the original solution is associated with a fall in the partition coefficient, which tends to zero. This indicates that the nickel system has a lower formation limit. 3. Greenberg and Walden's scheme, which satisfactorily explains the behavior of bivalent manganese and copper in their partition between crystals and saturated solution of ammonium chloride, is not applicable to the cadmium and nickel systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01177526
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  • 2
    Electronic Resource
    Electronic Resource
    Distribution in systems containing anomalous mixed crystals. Communication no. 6. The system NH4C1-CoC2-H2O (1959)
    Springer
    Russian chemical bulletin 8 (1959), S. 1315-1317 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary 1. A distribution study, in the system NH4Cl-CoCl2-H2O at 0°, showed that, with decreasing concentration of cobalt in the solution from 2.3 x 10−1 to 4.7 x 10−6 M, the distribution coefficient fell from 0.16 to 0.018. This showed the existence of a lower limit of formation in this system at 0°. 2. Investigation of the same system at 57° showed that, with changing cobalt concentration from 1.2 x 10−1 to 1.2 x 10−6 M, the distribution coefficient remained constant with a mean value of 0.36. 3. In the system with cobalt, depending on the conditions of crystallization, the distribution of the microcomponent between the solid and liquid phases can occur in a way characteristic of anomalous mixed crystals or of true mixed crystals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00918567
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