Acidic gases were analyzed in exhaust gas, and the analysis targets were HCI, NOx, and SOx. Each gas was analyzed by ion chromatography after being separately absorbed in absorption solutions. The figure shows the analysis results for NOx in exhaust gas that was absorbed in a mixture of H2O2 and sulfuric acid, and then analyzed as NO3-. High-sensitivity measurements could be achieved without any special pretreatment.

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Ion Chromatograph

Ion Chromatograph

This separation/analysis instrument is widely used for the quantitative analysis of inorganic ions. Ion chromatographs are available as a suppressor type that allows ultra-high-sensitivity analysis to the ppb level and as a non-suppressor type that supports diverse applications.

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