INDUSTRY APPLICATION SOLUTIONS 1. Detection of anions in drinking water The samples are filtered by 0.45pm microporous filter membrane or centrifuged . Using CIC-D120 ion chromatograph, SH-AC-3 anion column,2.0 mM Na2C03 /8.0 mM NaHC03 eluentand bipolar pulse conductance method,under the recommended chromatographic conditions, the chromatogram is as follows. Samples are filtered by sand core filter. Using CIC-D120 ion chromatograph, SH-AC-3 anion chromatographic column, 2.4mM Na2C03/3.6mM NaHC03 eluent and bipolar pulse conductance method,under the recommended chromatographic conditions,the chromatogram is as follows.