Flow injection Donnan dialysis preconcentration of trace metal cations for inductively coupled plasma atomic emission spectrometry
โ Scribed by Kasthurikrishnan, Narasimhan.; Koropchak, John A.
- Book ID
- 127115388
- Publisher
- American Chemical Society
- Year
- 1993
- Tongue
- English
- Weight
- 758 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0003-2700
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A desolvation device was connected to a microcolumn (40 mm X 3.0 mm i.d.) in which 8-hydroxyquinoline-5sulphonic acid was immobilized on the substrate of active carbon-silica gel. The analyte and 1.0 M sodium acetate-acetic acid buffer solution (pH 5.6) were mined and pumped through the microcolumn.
An analytical method for the simultaneous determination of some trace elements (Au, Fe, Mg, Li, Sr, Zn) in human serum by inductively coupled plasma atomic emission spectrometry (ICP-AES) with flow injection is described. Physical interference caused by the change of sample viscosity is discussed. W