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Solid Phase Extraction Method for the Separation and Determination of chromium(III) in the Presence of chromium(VI) Using Silica Gel Modified by N,N'-bis-(α-methylsalicylidene)-2,2-dimethyl-1,3-propanediimine

Solid Phase Extraction Method for the Separation and Determination of chromium(III) in the Presence of chromium(VI) Using Silica Gel Modified by N,N'-bis-(α-methylsalicylidene)-2,2-dimethyl-1,3-propanediimine

Agata Bartyzel, Ewa M Cukrowska

Anal Chim Acta. 2011 Nov 30;707(1-2):204-9.

PMID: 22027140

Abstract:

N,N'-bis-(α-methylsalicylidene)-2,2-dimethyl-1,3-propanediimine (SBTD) modified silica gel was prepared and used as sorbent for solid phase extraction of Cr(III) ions from aqueous solution. This sorbent showed a high sorption affinity for Cr(III) while recovery of Cr(VI) was very low. The analyte ion retained on the column was eluted with 1 mol L(-1) HNO(3). The chromium ion in the eluent was determined by graphite furnace atomic absorption spectrometry. The effects of different parameters such as pH, eluent type and volume, Schiff's base concentration, sample and eluent flow rate, interfering ions and adsorbent amount were investigated.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AS2121304	Chromium VI -WP			Price
CS35517	Chromium VI - WP			Price

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