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The physical chemistry of color lake formation
Abstract Not Available.
The color lakes of congo red
Congo Red, the di-sodium salt of diphenyl-disazo-bis-mapthylamine-4-sulfonio acid, forms a free, blue acid when treated with acids and the sodium replaced by hydrogen. This is insoluble but forms a colloidal suspension of ...
L'emploi du contraste dans le drame romantique francais de 1827 a 1838
Rabelais achieved his goal of making people laugh, because his equivocal humor provided them with a refuge against all forms of violence. An analysis of Rabelais' works shows that only ambivalent laughter, simultaneously ...