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K. V. Oskolok, O. V. Monogarova
X-ray fluorescence
and atomic-emission determination of cobalt in water with use of polyurethane
foam sorbents
Abstract
Conditions of analytical signal formation
during of direct X-ray fluorescence and arc atomic-emission determination of
metals with use of polyurethane foam sorbents were studied.
Sorption-spectroscopic techniques of cobalt determination in water with
preconcentration in the form of thiocyanate complexes on polyurethane foam
sorbents on the basis of ethers were developed. The linear range of calibration
was 2 orders. During cobalt concentration from 25 ml water in static mode lower
bound of contents being determined was 3 and 9 mg/l for X-ray fluorescence and
atomic-emission methods, accordingly.
Copyright (C) Chemistry Dept., Moscow State University, 2002
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