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Citation: HOU Yan-Min, XIE Ji-Min, LI Chun-Xiang, ZHAO Xiao-Jun. Aqueous Two-phase Gas Floatation Spectrometric Determination of Trace Oxytetracycline in Waste Water[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 1492-1494. shu

Aqueous Two-phase Gas Floatation Spectrometric Determination of Trace Oxytetracycline in Waste Water

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a School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013;
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b School of Chemistry and Chemical Engineering, Pingdingshan University, Pingdingshan

Corresponding author: XIE Ji-Min,
Received Date: 8 December 2008
Available Online: 28 May 2009
Fund Project: 国家自然科学基金资助项目(20077029) (20077029)江苏省高校自然科学基础研究项目(07KJB610021) (07KJB610021)

The hydrophobic complex composed of Zn(Ⅱ) and oxytetracycline(OTC) was floated into organic phase under the optimal conditions:pH=9,tetrahydrofuran as organic solvent,sodium chloride as separating phase reagent on the home-made floatation equipment.The data was obtained by spectrophotometry after floatation,the linear regression equation was A=2.046×10⁵c(mol/L)+0.015,linear range was from 1.7×10^-7 to 9.3×10^-5 mol/L,correlation coefficient(r) was 0.999 6,relative recovery was 98.7%~100.5%,and the limit of detection was 7.16×10^-8 mol/L.It can be applied to the analysis of trace OTC in waste water.
- aqueous two-phase gas floatation,
- spectrophotometry,
- waste water,
- OTC,
- zinc(Ⅱ)
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