NDLI: Computer program (CHMASS) for calculating theoretical characteristic mass values in electrothermal atomic absorption spectrometry

Content Provider	Royal Society of Chemistry (RSC)
Author	Berglund, Michael Baxter, Douglas C.
Copyright Year	1992
Abstract	A computer program (CHMASS) is described that calculates characteristic mass (mo) values for electrothermal atomic absorption spectrometry (ETAAS) following user-specified input of atomizer type or dimensions and atomization temperature. All the necessary spectroscopic and physical parameters for calculating mo values for 40 elements (and 44 analytical wavelengths) commonly determined by ETAAS are included in the database. Application of the program is illustrated by several theoretical and practical examples: (i) a study of the effect of atomization temperature on absorption and diffusion coefficients for silver; (ii) an investigation of how the sample injection hole limits the maximum attainable ETAAS sensitivity for copper as the tube length is increased; (iii) optimization of the atomization temperature for the determination of cadmium in a standard reference material; and (iv) a comparison of several commercial atomizer designs as regards the calculated atomization efficiencies using data from the manufacturers' literature. This last comparison provides further evidence for the superiority of platform atomization and integrated absorbance measurements over wall atomization combined with peak height evaluation.
Starting Page	461
Ending Page	470
Page Count	10
File Format	PDF
ISSN	02679477
Volume Number	7
Issue Number	2
Journal	Journal of Analytical Atomic Spectrometry
DOI	10.1039/JA9920700461
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Computer program Absorption spectroscopy Diffusion Copper Mathematical optimization Cadmium Certified reference materials
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Analytical Chemistry

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