Nieman, Timothy

Skoog, Douglas A. Holler, F. James and Nieman, Timothy A. (1998). Principles of Instrumental Analysis, 5th edition. Orlando, FL Harcourt Brace College Publishers. 

Physical or instrumental methods were extensively developed in the twentieth century and are gradually replacing classical methods. In Principles of Instrumental Analysis, three American chemists, Douglas Skoog, F. James Holler, and Timothy Nieman, detail many instrumental methods that use highly complex and often costly machines to determine the identity and concentration of analytes. While these methods often are not as accurate and precise as classical methods, they require much less sample and can determine concentrations much less than 0.1 percent. In fact, Richard Mathies, professor at the University of California at Berkeley, and coworkers recendy described methods that can determine the presence of one molecule In addition, instrumental methods often produce results more rapidly than chemical methods and are the methods of choice when a very large number of samples of the same kind have to be analyzed repetitiously, as in blood analyses. 

The authors would like to acknowledge the contribution of the late Professor Timothy A. Nieman, who wrote this chapter for the first edition, as we have employed a similar format and some of his material for this article. 

Skooc. Doutaj s A.. F. James Holi.ek, and Timothy A. Nieman, Principles of In.strumenTai Amdysis. 5th ed. Philadelphia Saunders Collie Publishers. Harcourt Brace College Publishers. 1998. 

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See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ ]

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