Metrohm IC Pro 9 Anions, cations and ancat dual systems 9 Anion systems with or without suppression 9 Chemical suppression followed by CO2 suppression (sequential suppression) 9 Sequential suppression with inline ultrafiltration or dialysis (Prep1) 9 Sequential suppression with inline pre-concentration 9 Inline matrix elimination or inline calibration (Prep 2) 9 Sequential suppression with inline neutralization and inline cation removal (Prep 3) 9 Low pressure or high pressure gradient Metrohm IC Pro Operating Instructions