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 19 of 325.8 Gradient Separation of Environmental Anions with the <strong>IonPac</strong> <strong>AS23</strong> ColumnThe following chromatogram demonstrates that the <strong>IonPac</strong> <strong>AS23</strong> is a highly hydroxide-selective column. Notice theseparation of a variety of environmental anions using the <strong>IonPac</strong> <strong>AS23</strong> column and a potassium hydroxide gradient.Sample Loop Volume: 10 µLColumn:<strong>IonPac</strong> <strong>AS23</strong> (4-mm) Analytical Column + <strong>IonPac</strong> AG23 (4-mm) Guard ColumnEluent:Potassium Hydroxide: 5 mM from 0 to 5 min, 5-30 mM from 5 to 15 min,30-40 mM from 15 to 30 min.Eluent Source:EGC II KOH with CR-ATCTemperature: 30 °CEluent Flow Rate:1.0 mL/minSRS Suppressor:Anion Self-Regenerating Suppressor, ASRS ULTRA IIAutoSuppression Recycle ModeAnalytemg/L (ppm)1. Fluoride 22. Acetate 103. Butyrate 104. Formate 105. Chlorite 106. Bromate 107. Chloride 58. Nitrite 109. Chlorate 1010. Bromide 1011. Nitrate 1012. Carbonate 2013. Sulfate 1014. Selenate 1015. Oxalate 1016. Phthalate 2017. Phosphate 2018. Chromate 2019. Iodide 2020. Arsenate 2021. Citrate 2022. Thiocyanate 2023. Perchlorate 306.004.002.00123456788.00 µSmin9 10 11121314151617 18 192021 2223-1.000.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0Figure 6Separation of Environmental Anions with <strong>AS23</strong>Document No. 065120-05 ©2012 Thermo Fisher Scientific July 2012
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