| 土壤中腐殖酸与稀土离子作用的傅里叶变换红外光谱 |
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| 引用本文： | 顾雪元,顾志忙,王晓蓉.土壤中腐殖酸与稀土离子作用的傅里叶变换红外光谱[J].分析化学,2001,29(5):569-572. |
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| 作者姓名： | 顾雪元 顾志忙 王晓蓉 |
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| 作者单位： | 南京大学环境学院, |
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| 基金项目： | 国家自然科学基金 (批准号 2 9890 2 80 1)，江苏省自然科学基金资助项目 (No .BK990 3 4 ) |
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| 摘 要： | 采用NaOH碱提法提取和纯化了黑土中胡敏酸（humic acid,HA)用傅里叶变换红外光谱（FTIR）研究了HA与La^3 、Ce^3 、Cd^3 和Y^3 4种稀土离子作用前后的光谱特征。结果表明，HA与稀土离子作用后的红外光谱中归属于COO^-1600cm^-1、1400cm^-1处的振动吸收峰增强，表明腐殖酸与稀土离子之间发生了配合作用。
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| 关 键 词： | 胡敏酸 稀土 傅里叶变换红外光谱 土壤 腐植酸 配合作用 生态效应 环境化学行为 |
Spectra Characterization of the Reaction of Rare Earth Elements and Humic Acid in Black Soil |
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| Gu Xueyuan,Gu Zhimang,Wang Xiaorong.Spectra Characterization of the Reaction of Rare Earth Elements and Humic Acid in Black Soil[J].Chinese Journal of Analytical Chemistry,2001,29(5):569-572. |
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| Authors: | Gu Xueyuan Gu Zhimang Wang Xiaorong |
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| Abstract: | Humic acid (HA) was extracted by NaOH solution from black soil of Heilongjiang in China. Reaction characterization of rare earth elements (La 3+ , Ce 3+ , Gd 3+ and Y 3+ ) with HA was studied by Fourier transform infrared (FTIR) spectroscopy. Results showed that peaks (1600 cm -1 and 1400 cm -1 ) in FTIR spectra of HA became strength after reaction, implying that carboxyl groups of HA reacted with rare earth elements. |
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| Keywords: | Humic acid rare earth elements Fourier transform infrared spectra |
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