Collect. Czech. Chem. Commun.
1984, 49, 2751-2755
https://doi.org/10.1135/cccc19842751
Spectrophotometric and paper chromatographic analysis of mixtures of 4-nitrotoluene-2-sulphonic acid and 4,4'-dinitrostilbene-2,2'-disulphonic acid
Jiří Barek and Ivo Daňhel
Department of Analytical Chemistry, Charles University, 128 40 Prague 2
Abstract
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.
