Trace analysis of toxic metals. II Determination of lead, mercury, cadmium and thallium in foods by amperometry and by atomic absorption spectrometry
β Scribed by Hsieh, Stephen A. K. ;Chong, Y. S. ;Tan, J. F. ;Ma, T. S.
- Publisher
- Springer-Verlag
- Year
- 1982
- Weight
- 391 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0344-838X
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π SIMILAR VOLUMES
To determine the lead and cadmium content of soils and sediments, the samples are suspended in water containing 5% (v/v) concentrated hydrofluoric acid before injected into the electrothermal atomizer. For thallium determination a 30% hydrofluoric acid solution is used as the suspension medium. In a
Resins synthesized from qumohn-b-01 and resorcmol or hydroqmnone, with furfuraldehyde, formaldehyde or benzaldehyde as cross-hnkmg agent, were used for the preconcentrafion of nanogram amounts of lead The rate of exchange and activation energy of lead exchange were calculated Column separations of l