Preconcentration of trace amounts of platinum in water on different sorbents

Citation
B. Godlewska-zylkiewicz et al., Preconcentration of trace amounts of platinum in water on different sorbents, INT J ENV A, 75(1-2), 1999, pp. 71-81
Citations number
20
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Environment/Ecology
Journal title
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
ISSN journal
0306-7319 → ACNP
Volume
75
Issue
1-2
Year of publication
1999
Pages
71 - 81
Database
ISI
SICI code
0306-7319(1999)75:1-2<71:POTAOP>2.0.ZU;2-P
Abstract
Three different sorbents for platinum preconcentration in water were invest igated: alumina, silica gel with bonded aminopropyl groups and Cellex-T. Th e sorbents were tested in a microcolumn at the flow rate 3 ml/min. Elution was performed with 2.0 mol/l ammonia, 2.0 mol/l hydrochloric acid and 1.2 m ol/l thiourea solution, respectively. The optimal enrichment factor was 400 for the alumina column, when the eluent volume was 25 mul Satisfactory pre cision was obtained for all sorbents. As the detection technique was used e ither FAAS or GFAAS, depending on the concentration of platinum in the elua te.