| 离子液体-超声波辅助萃取火焰原子吸收法测定油画棒中的可迁移微量Cd2+ |
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| 引用本文： | 周先波,江海亮,周赛春,钟勇. 离子液体-超声波辅助萃取火焰原子吸收法测定油画棒中的可迁移微量Cd2+[J]. 分析测试学报, 2011, 30(12): 1448-1452. DOI: 10.3969/j.issn.1004-4957.2011.12.023 |
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| 作者姓名： | 周先波 江海亮 周赛春 钟勇 |
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| 作者单位： | 浙江大学宁波理工学院生物与化学工程分院,浙江宁波,315100 |
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| 基金项目： | 浙江省科技计划项目（2009F70066）；浙江省高等教育学会重点项目（Z201022）；国家自然科学基金资助项目（20977082） |
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| 摘 要： | 以离子液体为萃取介质,超声波辅助萃取油画棒中的可迁移微量Cd2,以硝酸溶液反萃取后用火焰原子吸收法测定镉.考察了主要影响因素对萃取效果的影响.结果表明,以1-丁基-3-甲基咪唑六氟磷酸盐离子液体为萃取介质,溶液pH值为9.0、金属螯合剂用量为2.00 mL、离子液体的用量为2.00 mL、反萃剂为4.00 mL1.00...
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| 关 键 词： | 离子液体 重金属Cd2+ 超声波辅助萃取 富集 油画棒 |
Ionic Liquid Based Ultrasonic-assisted Extraction Coupled with Flame Atomic Adsorption Spectrometry for the Determination of the Migration of Trace Cadmium in Oil Pastel |
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| ZHOU Xian-bo,JIANG Hai-liang,ZHOU Sai-chun,ZHONG Yong. Ionic Liquid Based Ultrasonic-assisted Extraction Coupled with Flame Atomic Adsorption Spectrometry for the Determination of the Migration of Trace Cadmium in Oil Pastel[J]. Journal of Instrumental Analysis, 2011, 30(12): 1448-1452. DOI: 10.3969/j.issn.1004-4957.2011.12.023 |
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| Authors: | ZHOU Xian-bo JIANG Hai-liang ZHOU Sai-chun ZHONG Yong |
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| Affiliation: | ZHOU Xian-bo,JIANG Hai-liang,ZHOU Sai-chun,ZHONG Yong(School of Biotechnology and Chemical Engineering,Ningbo Institute of Technology,Zhejiang University,Ningbo 315100,China) |
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| Abstract: | A flame atomic absorption spectrometric method coupled with ionic liquids based ultrasonic assisted extraction was developed for the determination of the migration of trace cadmium in oil pastel.The main factors affecting the extraction efficiency,such as pH value,amount of metal chelating,ionic liquid and nitric acid,ultrasonic extraction time,metal ions interference and chain length of ionic liquid were studied.The optimal conditions were as follows:pH value:9.0,metal chelating amount:2.00 mL,amount of io... |
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| Keywords: | ionic liquid heavy metal Cd2 ultrasonic-assisted extraction enrichment oil pastel |
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