Equilibria of nitric acid in sulfuric and perchloric acid at 25.degree.C by Raman and UV spectroscopyM. Sapoli, A. Zingales, Alberto De Santis et al.|The Journal of Physical Chemistry|1985Cited by 46
Determination of the basicity of nitric acid in concentrated sulphuric acid by Raman and ultraviolet spectroscopyNunziata C. Marziano, M. Sampoli, P. Traverso et al.|Journal of the Chemical Society Chemical Communications|1978Cited by 20
On the relationship between the dissociation of indicators in non-ideal acid solution and the dissociation of the acid itselfM. Sampoli, Nunziata C. Marziano, Alberto De Santis|Journal of the Chemical Society Chemical Communications|1985Cited by 6