| 石墨炉原子吸收光谱中氯化铕和硝酸铕背景吸收来源与特点的研究 |
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| 引用本文： | 林卓新,宋健怡.石墨炉原子吸收光谱中氯化铕和硝酸铕背景吸收来源与特点的研究[J].分析测试学报,1993,12(4):32-34. |
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| 作者姓名： | 林卓新 宋健怡 |
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| 作者单位： | 华南师范大学化学系，华南师范大学化学系，华南师范大学化学系 广州 510631，广州 510631，广州 510631 |
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| 摘 要： | 研究了石墨炉原子吸收中氯化铕和硝酸铕背景吸收的来源、特点和消除方法。氯化铕背景吸收来源于其分解产物EuCl_2蒸气和Cl_2,而硝酸铕背景吸收来源于其分解产物NO和Eu_2O_3蒸气。测定铕中微量元素时,可通过选择灰化温度、记录原子吸收峰时间或加硝酸作基体改进剂等方法米减少、甚至完全消除背景吸收的干扰。
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| 关 键 词： | 原子吸收光谱 背景吸收 铕 |
Studies of the Background Absorption of Europium Matrix in GFAAS |
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| Lin Zhuoxin,Song Jianyi,Mo Shengjun.Studies of the Background Absorption of Europium Matrix in GFAAS[J].Journal of Instrumental Analysis,1993,12(4):32-34. |
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| Authors: | Lin Zhuoxin Song Jianyi Mo Shengjun |
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| Institution: | Lin Zhuoxin,Song Jianyi,Mo Shengjun Department of Chemistry,South China Normal University,Guangzhou |
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| Abstract: | The nature and source of the background absorption of curopium matrix and the methodof eliminating the background were studied. The results showed there is one background peakof EuCL_3. It arises from evaporation of EuCl_2. There are two peaks of the background ofEu(NO_3)_3. The first peak arises from NO and the second peak arises from Eu_2O_3. Thebackground interferences can be decreased or eliminated by the choice of an appropriatesignal recording time, appropriate ashing time and adding matrix modifiers. |
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| Keywords: | Graphite furnace atomic absorption spectrophotometry Background absorption Europium |
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