paper chromatographic separation
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1984 ◽  
Vol 49 (12) ◽  
pp. 2751-2755 ◽  
Author(s):  
Jiří Barek ◽  
Ivo Daňhel

Mixtures of 4-nitrotoluene-2-sulphonic and 4,4'-dinitrostilbene-2,2'-disulphonic acids were analyzed by a direct spectrophotometric method and by a method consisting of their paper chromatographic separation and d.c. polarographic determination.


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