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| 阳极溶出伏安法快速测定地表水中镉 |
| Determ ination ofCadmium in SurfaceW ater by Anodic Stripping Voltammetry |
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| DOI： |
| 中文关键词: 镉 阳极溶出伏安 法 PDV 6000 型重金属 快速分析仪 地表水 |
| 英文关键词: Cadmium Anodicstripping voltamm etry PDV 6000 portableanalyzerforheavy meta l Surface water |
| 基金项目: |
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| 中文摘要: |
| 利用阳极溶出伏安法原理, 采用 PDV 6000 型重金属快速分析仪测定地表水中的镉。在1. 25 g/L ~ 40.0g/L 范围内, 质量浓度与阳极溶出峰电流和峰面积呈良好的线性关系, 方法检出限为0.001 mg/L, 水样平行测定的RSD为 8.9%, 加标回收率为80.5% ~ 118%, 与石墨炉原子吸收光谱法的测定结果基本一致。 |
| 英文摘要: |
| Cadmium insurfacewaterwasdetected by PDV 6000 portableanalyzerforheavym etalsaccordingto principle anodicstrippingvoltamm etry. A goodlinearrelationship between concentration ofCadmium and peak currentofanodicstripping orpeak areaofanodicstrippingranged from 1.25g/L to 40.0g/L. Detectionlimitofmethodwas0.001 mg/L. RSD ofparallelsampleswas8.9%. Spiked recoveriesofsamples were between 80.5% and118%. Thetestresultswereequaltothatofgraphitefurnaceatomicabsorptionspectrometry. |
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