A novel method for fast enrichment and monitoring of hexavalent and trivalent chromium at the ppt level with modified silica MCM-41 and its determination by inductively coupled plasma optical emission spectrometry

A novel method for fast enrichment and monitoring of hexavalent and trivalent chromium at the ppt level with modified silica MCM-41 and its determination by inductively coupled plasma optical emission spectrometry

Chromium(III) at the ng L-1 level was extracted using partially silylated MCM-41 modified by a tetraazamacrocyclic compound (TAMC) and determined by inductively coupled plasma optical emision spectrometry (ICP OES). The extraction time and efficiency, pH and flow rate, type and minimum amount of str...

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Bibliographic Details
Main Authors: Mohammad Reza Ganjali, Leila Hajiagha Babaei, Alireza Badiei, Kamal Saberian, Seiedmahmoudreza Behbahani, Ghodsi Mohammadi Ziarani, Masoud Salavati- Niasari
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2006-06-01
Series:Química Nova
Subjects:
chromium
modified MCM-41
ICP OES
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000300007

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