High-Resolution Continuum Source AAS
The better way to do atomic absorption spectrometry
(Sprache: Englisch)
High-resolution continuum source atomic absorption spectrometry (HR-CS AAS) is the most revolutionary innovation since the introduction of AAS in 1955. Here, the authors provide the first complete and comprehensive discussion of HR-CS AAS and its...
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Klappentext zu „High-Resolution Continuum Source AAS “
High-resolution continuum source atomic absorption spectrometry (HR-CS AAS) is the most revolutionary innovation since the introduction of AAS in 1955. Here, the authors provide the first complete and comprehensive discussion of HR-CS AAS and its application to the analysis of a variety of difficult matrices. Published just in time with the first commercial instrument available for this new technique, the book is a must for all those who want to know more about HR-CS AAS, and in particular for all future users. The advantages of the new technique over conventional line-source AAS are clearly demonstrated using practical examples and numerous figures, many in full color. HR-CS AAS is overcoming essentially all the remaining limitations of established AAS, particularly the notorious problem of accurate background measurement and correction. Using a continuum radiation source and a CCD array detector makes the spectral environment visible to several tenths of a nanometer on both sides of the analytical line, tremendously facilitating method development and elimination of interferences. Conceived as a supplement to the standard reference work on AAS by B. Welz and M. Sperling, this book does not repeat such fundamentals as the principles of atomizers or atomization mechanisms. Instead, it is strictly focused on new and additional information required to profit from HR-CS AAS. It presents characteristic concentration for flame atomization and characteristic mass data for electrothermal atomization for all elements, as well as listing numerous secondary lines of lower sensitivity for the determination of higher analyte concentrations. The highly resolved molecular absorption spectra of nitric, sulfuric and phosphoric acids, observed in an air-acetylene flame, which are depicted together with the atomic lines of all elements, make it possible to predict potential spectral interferences.
High-resolution continuum source atomic absorption spectrometry (HR-CS AAS) is the most revolutionary innovation since the introduction of AAS in 1955. Here, the authors provide the first complete and comprehensive discussion of HR-CS AAS and its application to the analysis of a variety of difficult matrices. Published just in time with the first commercial instrument available for this new technique, the book is a must for all those who want to know more about HR-CS AAS, and in particular for all future users.
The advantages of the new technique over conventional line-source AAS are clearly demonstrated using practical examples and numerous figures, many in full color. HR-CS AAS is overcoming essentially all the remaining limitations of established AAS, particularly the notorious problem of accurate background measurement and correction. Using a continuum radiation source and a CCD array detector makes the spectral environment visible to several tenths of a nanometer on both sides of the analytical line, tremendously facilitating method development and elimination of interferences.
Conceived as a supplement to the standard reference work on AAS by B. Welz and M. Sperling, this book does not repeat such fundamentals as the principles of atomizers or atomization mechanisms. Instead, it is strictly focused on new and additional information required to profit from HR-CS AAS. It presents characteristic concentration for flame atomization and characteristic mass data for electrothermal atomization for all elements, as well as listing numerous secondary lines of lower sensitivity for the determination of higher analyte concentrations. The highly resolved molecular absorption spectra of nitric, sulfuric and phosphoric acids, observed in an air-acetylene flame, which are depicted together with the atomic lines of all elements, make it possible to predict potential spectral interferences.
The advantages of the new technique over conventional line-source AAS are clearly demonstrated using practical examples and numerous figures, many in full color. HR-CS AAS is overcoming essentially all the remaining limitations of established AAS, particularly the notorious problem of accurate background measurement and correction. Using a continuum radiation source and a CCD array detector makes the spectral environment visible to several tenths of a nanometer on both sides of the analytical line, tremendously facilitating method development and elimination of interferences.
Conceived as a supplement to the standard reference work on AAS by B. Welz and M. Sperling, this book does not repeat such fundamentals as the principles of atomizers or atomization mechanisms. Instead, it is strictly focused on new and additional information required to profit from HR-CS AAS. It presents characteristic concentration for flame atomization and characteristic mass data for electrothermal atomization for all elements, as well as listing numerous secondary lines of lower sensitivity for the determination of higher analyte concentrations. The highly resolved molecular absorption spectra of nitric, sulfuric and phosphoric acids, observed in an air-acetylene flame, which are depicted together with the atomic lines of all elements, make it possible to predict potential spectral interferences.
Inhaltsverzeichnis zu „High-Resolution Continuum Source AAS “
HISTORICAL DEVELOPMENT OF CONTINUUM SOURCE AASTHEORETICAL CONCEPTSSpectral Line profilesAtomic Absorption with a Continuum SourceStructure of Molecular SpectraINSTRUMENTATION FOR HR-CS AASRadiation SourceResearch Spectrometers with Active Wavelength StabilizationDetectorThe contrAA 300 from Analytik Jena AGSPECIAL FEATURES OF HR-CS AASThe Modulation PrincipleSimultaneous Double-beam ConceptSelection of Analytical LinesSensitivity and Working RangeSignal-to-Noise Ratio, Precision and Limit of DetectionMulti-element Atomic Absorption SpectrometryAbsolute AnalysisMEASUREMENT PRINCIPLE IN HR-CS AASGeneral ConsiderationsBackground Measurement and CorrectionTHE INDIVIDUAL ELEMENTSAl, 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, ZnELECTRON EXCITATION SPECTRA OF DIATOMIC MOLECULESGeneral ConsiderationsIndividual Overview SpectraSPECIFIC APPLICATIONSFlame MeasurementsOUTLOOK
Autoren-Porträt von Bernhard Welz
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
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All authors cooperate with the major instrument manufacturer Analytik Jena.
All authors cooperate with the major instrument manufacturer Analytik Jena.
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Bibliographische Angaben
- Autor: Bernhard Welz
- 2005, XII, 284 Seiten, Masse: 17,5 x 25 cm, Gebunden, Englisch
- Verlag: Wiley-VCH
- ISBN-10: 3527307362
- ISBN-13: 9783527307364
- Erscheinungsdatum: 01.03.2005
Sprache:
Englisch
Rezension zu „High-Resolution Continuum Source AAS “
"... den Anwendern dieser neuen Analysentechnik wegen der gravierenden Unterschiede zur konventionellen AAS zu empfehlen."K. Ohls, Dortmund, GDCh, Fachgruppe Analytische Chemie, Mitteilungsblatt 2/2005
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