| 化学浸提-分光光度法测定沙棘叶中不同形态铝 |
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| 引用本文： | 赵二劳,石荣花,李满秀,程琳.化学浸提-分光光度法测定沙棘叶中不同形态铝[J].分析科学学报,2009,25(4). |
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| 作者姓名： | 赵二劳 石荣花 李满秀 程琳 |
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| 作者单位： | 忻州师范学院化学系,山西忻州,034000 |
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| 基金项目： | 山西省高校科技开发研究项目 |
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| 摘 要： | 利用KCl、NH4Ac、HCl、NaOH四种浸提液将沙棘叶中的铝浸提溶出,得到沙棘叶中铝的不同化学形态,采用分光光度法定量测定,测定结果:沙棘叶中的Al3+为10.7%,Al(OH)2+和Al(OH)+2为2.1%,胶态Al(OH)03为34.3%,有机铝为53.0%.浸提液中铝的回收率为86.9%～101.0%.
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| 关 键 词： | 沙棘叶 铝 分光光度法 形态分析 |
Determination of Various Species of Aluminum in Sea-buckthorn Leaf by Chemical Extractions Combined with Spectrophotometry |
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| ZHAO Er-lao,SHI Rong-hua,LI Man-xiu,CHENG Lin.Determination of Various Species of Aluminum in Sea-buckthorn Leaf by Chemical Extractions Combined with Spectrophotometry[J].Journal of Analytical Science,2009,25(4). |
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| Authors: | ZHAO Er-lao SHI Rong-hua LI Man-xiu CHENG Lin |
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| Institution: | ZHAO Er-lao,SHI Rong-hua,LI Man-xiu,CHENG Lin(Department of Chemistry,Xinzhou Teachers University,Xinzhou 034000) |
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| Abstract: | Using four kinds of extraction solutions,i.e.,potassium chloride,ammonium acetate,hydrochloric acid,and sodium hydroxide solutions,the various chemical species of aluminum in Sea-buckthorn Leaf were obtained.The leaching aluminum species were determined with spectrophotometry,and the percentage distribution of aluminum species in the Sea-buckthorn leaf was calculated.The fraction of Al3+ in the total aluminum was 10.7%,Al(OH)2+ and Al(OH)+2 was 2.1%,Al(OH)03 was 34.3%,and the organic aluminum was 53.0%.The ... |
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| Keywords: | Sea-buckthorn Leaf Aluminum Spectrophotometry Speciation distribution |
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