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| Determination of Inorganic Arsenic Speciation in Groundwater by a Combined Liquid Chromatography-Atomic Fluorescence Spectroscopy Technique |
| Received:February 14, 2017 Revised:March 22, 2017 |
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| DOI：doi:10.3969/j.issn.2095-1035.2017.03.004 |
| KeyWord:groundwater; liquid chromatography - atomic fluorescence spectrometry; As3+; As5+ |
| Author | Institution |
| LU Shouping |
天津市地矿测试中心，天津 |
| CHEN Xi |
天津市地矿测试中心，天津 |
| LIU Yang |
天津市地矿测试中心，天津 |
| ZHOU Yueshuang |
天津市地矿测试中心，天津 |
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| Abstract: |
| A method to determine trivalent and pentavalent arsenic in groundwater by a combined liquid chromatography-atomic fluorescence spectroscopy (LC-AFS) was established based on the mobile phase of potassium dihydrogen phosphate and disodium hydrogen phosphate with the flow rate of 1.0 mL/mim .This approach achieved simultaneous analysis of As3+ and As5+ within 10 min. showing good linearity, low detection limit of 0.02μg/L, high degree of automation and excellent repeatability. |
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