Enrichment techniques for inorganic trace analysis
著者
書誌事項
Enrichment techniques for inorganic trace analysis
（Chemical laboratory practice, 19）
Springer-Verlag, 1983
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注記
Includes bibliographical references and indexes
内容説明・目次
内容説明
6 9 The significant role of trace elements present at the Jlgfg (10- gig), ngfg (10- gig) 12 and pgfg (10- gig) levels in geological, biological, environmental and industrial materials has increasingly been recognized in science and technology. To detect and determine trace elements, we usually use modern optical, electrochemical and nuclear analytical techniques. Althouih most of them are highly sensitive and selective, preliminary enrichment techniques are required to extend the detection limits, improve precision and accuracy of analytical results, and to widen the scope of the determina tion techniques. About two decades ago, I wrote a chapter "Separations and Pre concentrations" in "Trace Analysis: Physical Methods" edited by Prof. G. H. Morrison (Wiley-Interscience, New York, 1965). Since then, the progress in this field has been remarkable. This 'monograph is intended as a laboratory book directly applicable to the practice, but is not a so-called "cookbook" which offers detailed laboratory instruc is useful for all analysts solving problems in inorganic trace tions. I hope this book analysis and appreciating the applicability and limitations of enrichment techniques combined with instrumental determination techniques. In three introductory chapters, general aspects and control of contamination and loss are discussed. The following eight chapters deal with enrichment techniques based on volatilization, liquid-liquid extraction, selective dissolution, precipitation, electrochemical deposition and dissolution, sorption, ion exchange, liquid chromato graphy, flotation, freezing and zone melting. The final two chapters are devoted to special enrichment techniques used in trace analyses of natural waters and gaseous samples."
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