Potassium iodide is used to remove ozone interferences. It is known that the DNPH derivatives are decomposed by ozone, which affects the results. InertSep AREO Ozone Scrubber is used in series with DNPH cartridge at its inlet side. InertSep mini AERO series are active samplers for the analysis of Aldehydes and Ketones in outdoor gas, car cabin and exhaust gas in compliance with: Offensive Odor Control Law, Clean Air Act, and EPA. There are four types: AERO DNPH, AERO DNPH-HR, AERO Ozone Scrubber, and AERO SC, InertSep mini AERO series.Meer tonenMinder tonen