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Evaluation of solid-phase extraction sorbent with ketoimine groups for the preconcentration of benzene and phenolic compounds in water
Modified silica solid-phase extraction SPE
2010/6/30
The applicability of silica gel, modified with ketoimine groups, to solid phase extraction (SPE) was tested. Basic characteristics of the modified silica were determined using elemental analysis, and ...
Differential Pulse Polarographic Determination of Cadmium After Solid Liquid Extraction and Preconcentration Using PAN
Trace cadmium determination differential pulse polarography 1-(2-pyridylazo)-2-naphthol
2003/8/30
A highly selective, sensitive, rapid and economical differential pulse polarographic method has been developed for the determination of trace amounts of cadmium in various samples after the adsorption...