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 CHROMATOGRAPHY PLUS TRANSVERSE ELECTROCHROMATOGRAPHY 



Fl ow of Solvent Transverse to Electrical Migration 



Mixtures contained in a spot of solution have been separated by 

 various combinations of flow of backgroiind solution plus transverse 

 electrical migration5. Flow of the solution provides the driving 

 force for one component of the two-way migration, and electrical po- 

 tential provides the driving force for the other component. As the 

 two driving forces are different, the same solution may be employed 

 for both migrations. 



The chromatographic migration, with flow of the solution, and 

 the electrical migration may be utilized in several sequenceso Flow 

 of the solution may precede the electrical migrationi it may follow 

 the electrical migration; and it may occur simultaneously with the 

 electrical migration. An illustration of the separation of lead, 

 silver, and mercurous ions by simultaneous flow of the background 

 solution and electrical migration^^ is provided by Figure V,9„ The 

 paths traversed by the ions will depend upon the sequence in which 

 the transverse migrations are carried outo The resultant separations 

 will not be significantly different^^>^^<. 



Mth respect to applicability and sensitivity, these transverse 

 chromatographic and electrochromatographic methods are comparable to 

 on©=way eleotrochromatography. With respect to resolving power, they 

 are similar to two-way chromatography and two-way electrochromatog- 

 raphyo 



