On-line flow injection solvent extraction for electrothermal atomic absorption spectrometry: Determination of nickel in biological samples
文献类型：期刊论文
| 作者 | Tao, G; Fang, Z |
| 刊名 | SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
 |
| 出版日期 | 1995 |
| 卷号 | 50期号:14页码:1747-1755 |
| 关键词 | Electrothermal Atomic Absorption Spectrometry Nickel On-line Flow Injection Solvent Extraction |
| ISSN号 | 0584-8547 |
| 英文摘要 | A flow injection (FI) on-line solvent extraction system for electrothermal atomic absorption spectrometry (ETAAS) was developed with nickel as a model trace element. The nickel pyrrolidine-dithiocarbamate chelate was extracted on line into isobutyl methyl ketone, which was delivered into the Fl system by a peristaltic pump equipped with poly(tetrafluoroethylene) tubing. The organic phase was separated from the aqueous phase by a novel gravity phase separator with a small conical cavity, and stored in a collector tube, from which 50 mu l organic concentrate was introduced into the graphite tube by an air flow. ETAAS determination of the analyte was performed in parallel with the extraction process. An enrichment factor of 25 was obtained in comparison with 50 yl direct introduction while achieving a detection limit of 4 ng l(-1) (3 sigma), and a precision of 1.5% relative standard deviation for 1.0 mu g l(-1) nickel (n = 11). The proposed method was successfully applied to the determination of nickel in body fluids and other biological samples. |
| 学科主题 | Spectroscopy |
| 语种 | 英语 |
| 公开日期 | 2011-09-23 |
| 源URL | [http://210.72.129.5/handle/321005/55703]  |
| 专题 | 沈阳应用生态研究所_沈阳应用生态研究所 |
| 推荐引用方式 GB/T 7714 | Tao, G,Fang, Z. On-line flow injection solvent extraction for electrothermal atomic absorption spectrometry: Determination of nickel in biological samples[J]. SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY,1995,50(14):1747-1755. |
| APA | Tao, G,&Fang, Z.(1995).On-line flow injection solvent extraction for electrothermal atomic absorption spectrometry: Determination of nickel in biological samples.SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY,50(14),1747-1755. |
| MLA | Tao, G,et al."On-line flow injection solvent extraction for electrothermal atomic absorption spectrometry: Determination of nickel in biological samples".SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY 50.14(1995):1747-1755. |
入库方式： OAI收割
来源：沈阳应用生态研究所
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