Driven by advances in materials research, government regulations, and interdisciplinary collaborations, analytical chemistry has been one of the most active areas of chemical research over the last three decades. Fundamental advances in the fields of environmental modeling, medicine, and materials science are evidence that the discipline has met many of the challenges that have been posed. In developing methods, analytical chemists have become more adept at interpreting and implementing the findings of biologists and applied physicists. The role that computers have had in revolutionizing chemical instrumentation and techniques cannot be underestimated. Advances in analytical chemistry have shown up in the vernacular of the trade; units of quantitation have switched from weight percent to parts per billion (and trillion). Simple functional-group analysis has been replaced by methods of extraordinary selectivity and specificity. Each step toward better sensitivity or specificity in analytical measurements can, in many cases, cause more difficulties than provide answers. For example, an analytical method can be too sensitive for many uses and environments. This volume addresses some of the advances that have taken place in the area of elemental spectro-chemical analysis.
KeywordsGlow Discharge Atomic Spectrometry Direct Solid Hollow Cathode Discharge Negative Glow
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