| 第 33 卷第 3 期 |  | Vol. 33 No. 3 | | 2003 年 6 月 | Jun 2003 |
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所屬欄目：分析與測試
生物樣品中微量稀土元素的測定 |
| 易健民; 閻建輝; 周寧波(岳陽(yáng)師范學(xué)院化學(xué)化工系; 湖南岳陽(yáng); 414000) |
| 摘 要：稀土元素與三氯偶氮氯膦及結晶紫在酸性介質(zhì)中可形成 1∶2∶2的藍色絡(luò )合物 ,其最大吸收波長(cháng)為 6 6 0nm ,表現摩爾吸光系數ε660 =1 12× 10 5Lmol-1cm-1,稀土元素的含量在0～ 8μg/ 2 5ml的范圍內符合比耳定律 ,用于生物樣品中稀土元素的測定 ,結果令人滿(mǎn)意。 |
| 關(guān)鍵詞：生物樣品; 稀土; 微量檢測 |
| 中圖分類(lèi)號：TQ655.1 文獻標識碼：A 文章編號：1009-9212(2003)03-0061-02 |
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| Assay of Rare Earth Elements in Biological Sample |
| YI Jian-min etc.（Department of Chemistry and Chemical Engineering; Yueyang Normal University; Yue yang; 414000; China） |
| Abstract：The colore reaction of rare earth,trichloroch lorophosphonazo,and crystal violet has been sdied.It was found that the colore reaction form 1∶2∶2 blue complex in acid medium.The maximum absorption was at 660nm with an apparent molar absorptivily of 1.12×10 5Lmol -1 cm -1 .Bee's law was obeyed in the range of 0～8ug/25ml RE.The method can be used to determinate total RE in biological sample with satisfactory results. |
| Key words：Biological sample; Rare earth |
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收稿日期：2002-12-05
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