Product Manual for Dionex IonPac AS23 Columns - Cromlab
Product Manual for Dionex IonPac AS23 Columns - Cromlab
Product Manual for Dionex IonPac AS23 Columns - Cromlab
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<strong>Product</strong> <strong>Manual</strong> <strong>for</strong> <strong>IonPac</strong> <strong>AS23</strong> amd <strong>IonPac</strong> AG23 <strong>Columns</strong> Page 17 of 325.6 Separation of Anions in Municipal Drinking Water Spiked with Surrogate AnionsThe following chromatogram shows the analysis of a drinking water sample spiked with 1 ppm Malonate and Succinate usingthe <strong>IonPac</strong> <strong>AS23</strong> column and a 200 µL injection loop. Notice the excellent separation of surrogate anions from sulfate.Sample Loop Volume: 200 µLColumn:<strong>IonPac</strong> <strong>AS23</strong> (4-mm) Analytical Column + <strong>IonPac</strong> AG23 (4-mm) Guard ColumnEluent: 4.5 mM Na 2CO 30.8 mM NaHCO 3Temperature: 30 °CEluent Flow Rate:1.0 mL/minSRS Suppressor:Anion Self-Regenerating Suppressor, ASRS ULTRA IIAutoSuppression Recycle Modeor AES Suppressor:Atlas Anion Electrolytic Suppressor, AAES,(if eluent suppression required is less than 25 µeq/min)or MMS Suppressor:Anion MicroMembrane Suppressor (AMMS III)MMS Regenerant: 50 mN H 2SO 4Expected Background Conductivity: 20-23 µSAnalyte1. Fluoride2. Formate3. Chlorite4. Chloride5. Nitrite6. unknown7. Chlorate8. Bromide9. Nitrate10. Carbonate11. Phosphate12. Sulfate13. Malonate14. Succinate15. Oxalate147912130.500 µSmin140.200-0.000235 68101115-0.3000.0 5.0 10.0 15.0 20.0 25.0 30.0 35.00150 µSmin100450121235 6 7 8 9 10 1113 14 15-500.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0Figure 4Separation of Anions in Municipal Drinking Water on <strong>AS23</strong>Document No. 065120-05 ©2012 Thermo Fisher Scientific July 2012
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