Determination of technetium by graphite furnace atomic absorption spectrometry

Abstract

A detection limit of 6 X 10~11 g has been achieved for measurement of technetium by graphite furnace atomic absorption spectrometry. A commercially available, demountable, hollow cathode lamp was used and both argon and neon were used as fill gases for the lamp. The range of applicability of the method, when the unresolved 2614.23-2615.87 A doublet Is used for analysis, is from 60 pg to at least 3 ng of technetium per aliquot analyzed.

Atomization mechanisms for barium in furnace atomic absorption spectrometry

“…A second lens focuses this illuminated image of the furnace interior onto the slit of an Instrumentation Laboratory Type 553 spectrophotometer. Details of this optical arrangement are reported by Kaye and Ballou (24).…”

Development of a simple pyrazine-derived “turn on” Al 3+ fluorescent sensor with high selectivity and sensitivity

“…In recent years, many techniques, such as atomic absorption spectrometry (AAS) [3], atomic emission spectrometry (AES) [4], and electron paramagnetic resonance (EPR) [5], have been developed to detect metal ions. However, these techniques suffer from complicated operational sequence, sophisticated synthetic procedure and expensive operational cost in medicinal and environmental research [6].…”

Study of the Interaction Between Technetium and Tetrahydroxy-1,4-Quinone

“…Because Tc is a potential toxic pollutant [11 -13], there is an interest in the development of simple and sensitive chemical methods of analysis that could be used to complement the radiochemical ones. Methods described so far for technetium determination by chemical methods are, however, very scarce and are mainly summarized by several authors [14][15][16][17].…”