abstract |
In the reaction of aromatic compounds with nitrating acids,ncontaining HNO3 and optionally H2SO4 and / or H2O and / ornH3PO4 to form aromatic nitro compounds according tonthe invention comprises adding to the reaction mixture an amount of from 0.5 ton20,000 ppm of one or more surfactantsnanionic, cationic, zwitterionic, ornnonionic surfactants |