Preparation of chitosan-coated polystyrene microspheres for the analysis of trace Pb(ii) ions in salt by GF-AAS assisted with solid-phase extraction

Abstract

Chitosan-coated polystyrene solid-phase extraction fillers.

Atomic spectrometry update: review of advances in the analysis of clinical and biological materials, foods and beverages

“…For the ETAAS determination of Pb in salt, Ding et al retained both sodium and Pb on a column of chitosan-coated polystyrene microspheres. 65 A volume of 5 mL of sample containing not more than 0.3% (m/v) of salt was left in the column overnight and the retained sodium eluted with 10 mL of 0.1 mol L −1 HCl, followed by the elution of Pb with 10 mL of 2 mmol L −1 Na 2 EDTA. Other than reporting a LOD of 0.087 μg L −1 and some column recoveries, the researchers provided almost no information about the application of the method to the analysis of real samples.…”

Statistical Optimization of Operational Parameters on Congo Red Adsorption Using Upscaled Polystyrene

“…Fourier transform infrared spectroscopy (FTIR) is an effective method for analyzing the functional moieties present in the products. Additionally, peaks at 2930 cm −1 and 2862 cm −1 were attributed to alkyl C-H stretching vibrations [43]. Peak at 1376 cm −1 indicated C-H out-of-phase bending vibrations of the aliphatic chain.…”

Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

“…The other paper to analyse salt was presented by Ding et al who used solid phase extraction to obtain a matrix removal and preconcentration stage prior to GFAAS detection of Pb . 134 Polystyrene microspheres were used as carriers for a chitosan coated polystyrene. The material was synthesised by sulfonating with sulfonyl chloride, coating with chitosan and then cross-linking with glutaraldehyde.…”