ProfIC Vario 5 Cation is a Professional IC Vario system with variable sample preconcentration for trace analysis of cations. With the «ProfIC Vario 5», concentrations down to the sub-ppb range (μg/L) can reliably be determined. The intelligent 800 Dosino carries out the high-precision sample preconcentration on the preconcentration column, which replaces the sample loop.