Analysis of inorganic anions in drainage water and soil solution by single-column ion chromatography |
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Authors: | ME Fernández-Boy F Cabrera F Moreno |
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Affiliation: | Instituto de Recursos Naturales y Agrobiología de Sevilla, CSIC, Spain. |
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Abstract: | Single-column ion chromatography (SCIC) for anion determination in drainage water and soil solution was tested. The SCIC minimum detection limits (100-microliter sample loop) were 0.75 mg l-1 for Cl-, 0.2 mg l-1 for NO2-N, 0.02 mg l-1 for NO3-N, 1.25 mg l-1 for HPO4-P, and 0.5 mg l-1 for SO4-S. The results showed a high reproducibility. Results for Cl-, NO3-N and SO4-S obtained by the SCIC method were compared with those obtained by traditional methods; Student's t-test and regression analysis showed that the methods agree closely. |
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