operating costs proven components the ic systems of the metrohm online ics ... components used in the modular metrohm ic systems for many years characterized by ... cost-efficient operation metrohm online ics are designed to require very little ... level of performance the metrohm online ics define new standards in ... column eluent flow results 811 online ic cation column metrosep c2 250 mm 6. ... cobalt 3.7 ppb sodium 32 ppb ammonium 7000 ppb monoethanolamine mea 6.9 ppb ... volume eluent flow results 811 online ic anion column metrosep a supp 5 150 mm ... of ion chromatography 8 811 online ic 821 compact online ic ...