By J. Sneddon
This sequence describes chosen advances within the sector of atomic spectroscopy. it really is basically meant for the reader who has a history in atmoic spectroscopy; appropriate to the amateur and professional. even though a established and authorized approach for steel and non-metal research in various advanced samples, Advances in Atomic Spectroscopy covers quite a lot of fabrics. every one bankruptcy will thoroughly conceal a space of atomic spectroscopy the place fast improvement has happened.
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Extra info for Advances in Atomic Spectroscopy, Volume 3 (Advances in Atomic Spectroscopy)
V. Multielement System Summary . . . . . . . . . . . . . Acknowledgments . . . . . . . . . . . . . . . . References . . . . . . . . . . . . . . . . . . 53 54 54 55 57 58 59 59 ABSTRACT In recent years there has been a renewed interest in the use and application of simultaneous multielement atomic absorption spectrometry (AAS). This chapter describes the historical development of simultaneous multielement AAS, tracing its use in laboratory-constructed or modified systems through to commercially available systems.
Many of these papers use ion exchange resins to retain the analytes while the bulk matrix is eluted to waste. This obviously has the advantage that when the analytes are eluted to detection, the large majority of potentially interfering species have already been removed. Large preconcentration factors are also obtainable using this methodology. If 5 ml of sample is passed through the column and then the analytes eluted to detection in 250 ~tl of eluent, a theoretical preconcentration factor of 20 is obtained.
Hamly et al. (1979) developed a multielement system based on a xenon arc (300 W) continuum source and an echelle polychromator modified for wavelength modification, which was named simultaneous multielement atomic absorption with a continuum source (SIMAAC). A schematic diagram of the system is shown in Figure 1. The system was compatible with either the flame or graphite furnace. The instrument was capable of analyzing up to 16 elements at one time using doublebeam operation and background correction.
Advances in Atomic Spectroscopy, Volume 3 (Advances in Atomic Spectroscopy) by J. Sneddon