Analytical Sciences

Abstract − Analytical Sciences, 20(9), 1363 (2004).

Sensitivity Enhancement in Flame Atomic Absorption Spectrometry for Determination of Copper in Human Thyroid Tissues
Mehmet YAMAN and Ismail AKDENIZ
Department of Chemistry, Sciences and Arts Faculty, Firat University, Elazig, Turkey
Various designs of quartz tube in a slotted tube atom trap were examined for improving the sensitivity of flame AAS. A 3.5-fold enhancement in the sensitivity was obtained by using the optimized method. The method was applied to the determination of Cu in cancerous and non-cancerous human thyroid tissues. The Cu concentrations of the cancerous samples tended to increase compared with the non-cancerous samples. Zn concentrations of the same tissues were also determined.