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1,8-Dihydroxyanthraquinone anchored on silica gel: synthesis and application as solid phase extractant for lead(II), zinc(II) and cadmium(II) prior to their determination by flame atomic absorption spectrometry

✍ Scribed by Anupama Goswami; Ajai K Singh

Book ID: 117223161
Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 215 KB
Volume: 58
Category: Article
ISSN: 0039-9140
DOI: 10.1016/s0039-9140(02)00374-0

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## Abstract In this work, a mesoporous silica has been chemically modified with 5‐mercapto‐1‐methyl‐1‐H‐tetrazol using the homogeneous route (MTTZ‐HMS). This synthetic route involved the reaction of 5‐mercapto‐1‐methyl‐1‐H‐tetrazol with 3‐chloropropyltriethoxysilane, prior to immobilization on the