High-Resolution Continuum Source AAS (PDF)

HISTORICAL DEVELOPMENT OF CONTINUUM SOURCE AAS THEORETICAL CONCEPTS Spectral Line profiles Atomic Absorption with a Continuum Source Structure of Molecular Spectra INSTRUMENTATION FOR HR-CS AAS Radiation Source Research Spectrometers with Active Wavelength Stabilization Detector The contrAA 300 from Analytik Jena AG SPECIAL FEATURES OF HR-CS AAS The Modulation Principle Simultaneous Double-beam Concept Selection of Analytical Lines Sensitivity and Working Range Signal-to-Noise Ratio, Precision and Limit of Detection Multi-element Atomic Absorption Spectrometry Absolute Analysis MEASUREMENT PRINCIPLE IN HR-CS AAS General Considerations Background Measurement and Correction THE INDIVIDUAL ELEMENTS Al, Sb, As, Ba, Be, Bi, B, Cd, Ca, Cs, Cr, Co, Cu, Eu, Ga, Ge, Au, In, Ir, Fe, La, Pb, Li, Mg, Mn, Hg, Mo, Ni, Pd, Pd, P, Pt, K, Rh, Rb, Ru, Se, Si, Ag, Na, Sr, S, Te, Tl, Sn, Ti, W, V, Zn ELECTRON EXCITATION SPECTRA OF DIATOMIC MOLECULES General Considerations Individual Overview Spectra SPECIFIC APPLICATIONS Flame Measurements OUTLOOK

Since 1999 Bernhard Welz is Professor of Analytical Chemistry at the Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil, where he teaches instrumental analytical chemistry and atomic spectroscopy. Previously he worked with Perkin-Elmer for 32 years in various positions, the last 16 years as Director of Applied Research Atomic Spectrometry.

Helmut Becker-Roß is scientific project leader at the ISAS - Institute for Analytical Sciences, Dept. Berlin. From 1971 to 1980 he worked at the Central Institute for Optics and Spectroscopy on the development of infrared Fourier-spectrometers. Since 1981 (from 1992 at ISAS) he has been working with his team on the development and application of echelle spectrometers from vacuum-UV to near-IR. Together with companies in Berlin, Jena and Überlingen he has brought several spectroscopic instruments to market.

Stefan Florek is a senior scientist at the ISAS, Dept. Berlin. From 1976 onwards, he worked at the Academy of Sciences in Berlin in the field of optical design and development of instrumentation for applications in atomic spectroscopy. He has designed several instruments successfully launched on the market. Since 1992 he has been continuing his work at ISAS. Dr. Florek's main interest focuses on the use of high-resolution spectroscopy with solid-state detectors for analytical sciences and laser spectroscopy.

Uwe Heitmann is a scientist at the ISAS, Dept. Berlin. He studied physics at the Technical University in Berlin and took his PhD with a thesis on laser-excited atomic fluorescence spectrometry in the visible to vacuum-UV range.From 1994 to 2001 he worked for the GOS Berlin in different research projects on the development of high-resolution spectrometers. Since 2002 he has been in the group led by Helmut Becker-Ross at the ISAS. His main research field is the setup and further development of the novel analytical method of continuum source AAS as well as its transfer into the commercial market.

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