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Reference type: Journal
Authors: Jiang M, Zhang JH, Mei SR, Shi Y, Zou LJ, Zhu YX, Dai K, Lu B
Article Title: Direct enrichment and high performance liquid chromatography analysis of ultra-trace Bisphenol A in water samples with narrowly dispersible Bisphenol A imprinted polymeric microspheres column.
Publication date: 2006
Journal: Journal of Chromatography A
Volume: 1110
Issue: (1-2)
Page numbers: 27-34.
DOI: 10.1016/j.chroma.2006.01.051
Alternative URL: http://www.sciencedirect.com/science/article/B6TG8-4J616H4-B/2/8c74cb287a84701b6c21bf0a70aa80e3

Abstract: Direct injection, enrichment and high performance liquid chromatography (HPLC) analysis of ultra-trace Bisphenol A (BPA) in water samples using one narrowly dispersible BPA imprinted polymeric microspheres (MIPM) column in one analysis process was developed. One BPA imprinted MIPM that had the best globular morphology and imprinted efficiency was used as HPLC stationary phase and applied to direct analysis of ultra-trace BPA in water. The optimum direct analysis conditions were: conditioning the MIPM column with water for 10 min, injecting 40 mL water sample directly, eluting with 70% methanol for 13 min and then 100% methanol for 7 min. Under the optimum conditions, the MIPM column can simultaneously extract, enrich, separate and determine ultra-trace BPA in one analysis process with UV detector by injection of large volume water samples (40 mL). The calibration graph was linear with R2 > 0.998 in the ranges from 0.1-100 nmol/L BPA standard solution. The intra- and inter-day RSD are less than 9.5 and 9.6%, respectively. The limit of quantification was 0.1 nmol/L. RSD for spiked tap and lake water was less than 8.9% and the recoveries were 96-101.8%. The enrichment factor for BPA was 10,000 as 40 mL water sample was directly injected and analyzed
Template and target information: bisphenol A, BPA
Author keywords: molecularly imprinted polymeric microspheres, bisphenol A, Direct chromatography analysis, water samples

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