LETAGROP-DISTR program

The LETAGROP-DISTR program was published after the death of L. G. Sillen in 1970 by Liem [58] and new types of input later on by Liem and Ekelund [59]. Since... 

Experimental Data and the Eorm of Input for LETAGROP-DISTR Program... 

Aguilar and Valiente [73] studied extraction of hydrochloric acid by THA and in this very detailed study the applied graphical methods [9] and MESAK evalnation of average p,q values and LETAGROP-DISTR program with species selector STYRE all together, 19 models were examined. The best one found was including species (HCl)p(THA), with (p,q) values (1,1) and (3,3). 

Table 2 Equilibrium Constants of DTMPPA and DEHPA on Amberlite XAD2 Determined Numerically by Means of the Program LETAGROP-DISTR at 25°C and Previously Determined in Liquid-Liquid System...

The results of the analysis of the distribution equilibrium data, using the computer program LETAGROP-DISTR, are summarized in Table 4. 

Extension of PCM to potentiometry and extraction has been reported [30,31]. The number of species formed in the organic phase in extraction may be found by use of normalized graphs [32] or suitable computer programs such as LETAGROP-DISTR [33] and EXLET [34], whereas even minor species can be searched in this way [35]. The limitations of this approach were previously discussed. 

The general, minimizing computer program called LETAGROP has been modified as DISTR and applied to the analysis of data for the distribution of a component between two phases when several equilibria and components are involved. 

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