Eggshell membrane-based solid-phase extraction combined with hydride generation atomic fluorescence spectrometry for trace arsenic(V) in environmental water samples

Talanta ◽  
2010 ◽  
Vol 80 (5) ◽  
pp. 1907-1912 ◽  
Author(s):  
Yongjiang Zhang ◽  
Weidong Wang ◽  
Lu Li ◽  
Yuming Huang ◽  
Jia Cao
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Solid Phase ◽  
Hydride Generation ◽  
Environmental Water ◽  
Eggshell Membrane ◽  
Environmental Water Samples ◽  
Atomic Fluorescence Spectrometry ◽  
Phase Extraction ◽  
Atomic Fluorescence

Eggshell Membrane Biomaterials for Adsorption and Determination of Mn(II, VII) in Environmental Water

2012 ◽  
Vol 457-458 ◽  
pp. 536-539 ◽  
Author(s):  
Rui Hua Zhang ◽  
Xiao Li Yang ◽  
Jin Liu ◽  
Xian Zhong Cheng
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Solid Phase ◽  
Extraction Procedure ◽  
Environmental Water ◽  
Eggshell Membrane ◽  
Environmental Water Samples ◽  
Phase Extraction ◽  
Relative Standard

A simple solid phase extraction procedure for adsorption and preconcentration of manganese(II, VII) in environmental water samples has been proposed prior to inductively coupled plasma mass spectrometry. The procedure presented based on quantitative recoveries of manganese >95%. In this work, the potential use of eggshell membrane(ESM), a typical biomaterial, as solid-phase extraction (SPE) adsorbent is evaluated for analysis of trace manganese. The analytical variables, pH, flow rate, sample volume, elution, coexisting ions for optimum recoveries of manganese (II) and manganese (VII) were investigated. The preconcentration factor was 60. The detection limit (3) of manganese was 0.031 ng L-1. The relative standard deviations of determination was found to be 3.21%. The procedure was successfully applied to the adsorption and determination of manganese in environmental water samples.

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