Cardoso Machado R, Aramendía M, A. Nogueira AR, Resano M. Interference-free determination of Ca in ultrapure water, concentrated acids and hydrogen peroxide using isotope dilution, ICP-MS and CH3F as a reaction gas. Jorn. jovenes investig. I3A. 2017;5(1). doi:10.26754/jji-i3a.201711964