| 地表水和地下水水质分析前处理问题探讨 |
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| 引用本文： | 李海萍,赵秋香,何光涛,莫书伟,曾宇斌.地表水和地下水水质分析前处理问题探讨[J].岩矿测试,2010,29(5):613-616. |
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| 作者姓名： | 李海萍 赵秋香 何光涛 莫书伟 曾宇斌 |
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| 作者单位： | 广东省物料实验检测中心,广东,广州,510080 |
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| 基金项目： | 国土资源地质大调查--地下水污染测试技术研究项目资助 |
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| 摘 要： | 运用石墨炉原子吸收光谱法、电感耦合等离子体发射光谱法和电感耦合等离子体质谱法对0.45μm滤膜过滤前后的地表水和地下水溶液中的微量元素铁、锰、锌、铅、铜、镍、铬和镉进行了定量分析。结果发现,由于微生物的存在及其对水中微量元素的吸附作用,经过滤的酸化水直接测定结果比其经消解处理的测定结果偏低。建议在水质分析前,对样品进行低温消解前处理。
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| 关 键 词： | 地表水 地下水 水质 样品前处理 |
| 收稿时间： | 2010/1/18 0:00:00 |
| 修稿时间： | 2010/5/10 0:00:00 |
Discussion on Sample Pretreatment in Surface and Underground Water Quality Analysis |
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| LI Hai-ping,ZHAO Qiu-xiang,HE Guang-tao,MO Shu-wei and ZENG Yu-bin.Discussion on Sample Pretreatment in Surface and Underground Water Quality Analysis[J].Rock and Mineral Analysis,2010,29(5):613-616. |
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| Authors: | LI Hai-ping ZHAO Qiu-xiang HE Guang-tao MO Shu-wei and ZENG Yu-bin |
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| Institution: | Guangdong Province Material Testing Center, Guangzhou 510080, China;Guangdong Province Material Testing Center, Guangzhou 510080, China;Guangdong Province Material Testing Center, Guangzhou 510080, China;Guangdong Province Material Testing Center, Guangzhou 510080, China;Guangdong Province Material Testing Center, Guangzhou 510080, China |
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| Abstract: | Sample pretreatment methods in the determination of Fe,Mn,Zn,Pb,Cu,Ni,Cr and Cd in surface water and underground water samples by GFAAS,ICP-AES and ICP-MS were studied.Two sample pretreatment methods of 0.45 μm filtering and acid digestion were compared.The results showed that the analytical results from filter pretreatment method were lower than those from acid digestion method.The cause for the problem is considered due to that some microbes in water adsorbing some trace elements and lost in the filtering process,which causes the lower analytical results for some elements.Therefore,the suggestion was proposed that water samples should be treated by acid digestion at low temperature before the instrument determination. |
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| Keywords: | surface water underground water water quality sample pretreatment |
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