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SALPETERSAEURE IND GES GmbH
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SALPETERSAEURE IND GES GmbH
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Publication of FR407133ApublicationCriticalpatent/FR407133A/fr
Procédé pour l'obtention d'acide nitrique et d'acide sulfurique concentrés au moyen de l'acide nitrosulfurique ou de l'acide sulfurique nitreux
Procédé et dispositifs pour la concentration continue des acides, l'extraction par distillation de l'acide nitrique de son mélange avec l'acide sulfurique, etc.
Procédé pour la production d'acide cyanhydrique et d'autres composés du cyanogène par combinaison catalytique de composés de carbone gazeux ou volatils et de composés d'azote gazeux ou volatils