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原子荧光光谱法测定天然饮用矿泉水中的有机锗 被引量:2

Determination of organic germanium in natural drinking mineral water by atomic fluorescence spectrometry
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摘要 目的:建立准确、灵敏的天然饮用矿泉水中有机锗的原子荧光光谱测定方法。方法:用氢化物原子荧光光谱法检测经阴离子交换柱分离得到的有机锗。结果:在优化好的实验条件下测定天然饮用矿泉水中有机锗的含量,方法精密度为1.4%~5.1%,方法检出限为0.58μg/L(以Ge计),回收率为91.5%~105.8%。结论:有机锗经阴离子交换柱分离后得到有效富集,用氢化物原子荧光光谱法测定,结果准确可靠,适于推广。 Objective:To establish an accurate and sensitive method for determination of organic germanium in natural drinking mineral water by atomic fluorescence spectrometry.Methods: The organic germanium separated by an anion exchange column was determined by hydride generation atomic fluorescence spectrometry.Results: In the optimized experimental condition,the detection limit was 0.58 μg/L,the RSDs were between 1.4% to 5.1%,the recoveries ranged from 91.5% to 105.8%.Conclusion: Organic germanium was firstly enriched effectively by an anion exchange column,and then was determined by the hydride generation atomic fluorescence spectrometry.The developed method is accurate and reliable,and suitable for promotion.
作者 周继恩
出处 《中国卫生检验杂志》 CAS 2010年第11期2780-2781,共2页 Chinese Journal of Health Laboratory Technology
关键词 矿泉水 有机锗 离子交换 氢化物发生原子荧光光谱法 Mineral water Organic germanium Ion exchange Hydride generation atomic fluorescence spectrometry
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