Our ion chromatography system is a Metrohm 930 Flex. By using ion selective separation followed by a conductivity measurement, it is possible to separate ions and measure their amounts by time of elution. A sample volume of 0.5 – 1.5 ml is required. This system only measures anions like F-, Cl-, Br-, NO2-, NO3-, PO43- and SO42-. Upon request, we can also determine acetate and gluconate.