抽象的

Simultaneous Determination of Cu, Mn, Bi and Sb Using Multielement Graphite Furnace Atomic Absorption Spectrometer

Khaled Muftah Elsherif, Abdulsalam A. Benkhayal and Heinz-Martin Kuss

Simultaneous multi-element graphite furnace atomic absorption spectrometer (SIMAA 6000) has been used for developing multi-element determinations methodology for Cu, Mn, Bi, and Sb. Firstly, the optimum experimental conditions in the case of the single-element mode have been determined (these include: pyrolysis and atomization temperature). Then, the compromised conditions for each group of upto four elements in multi-element mode have been also optimized. The setting of the compromised conditions in the case of multi-element mode have been carried out and compared with these of the single-element. The characteristic mass for each element in the simultaneous multielement determination doesn’t change compared to the single mode. To study the effect of the matrix, urine standard sample (Seronorm-LOT 0511545) has been used (the urine sample has been diluted (1 : 4)). The accuracy of the methods has been confirmed by analysis of different biological reference materials. The analyzed values in the simultaneous multi-element determinations were in good agreement with the certified values. Simultaneous multi-element GF-AAS provide a rapid, low cost and sensitive method for routine analysis of trace elements.