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Supercritical fluid chromatographic technology was used to successfully chromatograph over 270 Appendix VIII and IX compounds on a single column, within one hour. Retention times, response factors and chromatographic conditions for the analysis of a very broad range of compound classes are presented.
The Appendix VIII and IX lists define the compounds of major regulatory importance in a broad range of solid wastes and groundwater. They include upwards of several hundred organic substances, covering a broad compositional, polarity, volatility, thermal and hydrolytic stability ranges. Some of the entries are mixtures such as coal tar, creosote, cresols, PCB'S, aflatoxins, and dioxins, which may contain hundreds of individual components. Significant numbers of these compounds can be difficult to determine by existing analytical techniques because of their lack of volatility and low thermal stability. The application of this technology will cost reduce and streamline existing practices and open new avenues of analytical research in the areas of improved calibration and confirmatory analysis.
Supercritical Fluid Chromatography, Appendix VIII, Appendix IX, RCRA Compounds
Manager, Chemical Waste Management, Inc., Riverdale, IL
Director, Chemical Waste Management, Inc., Riverdale, IL
Chemist, Chemical Waste Management, Inc., Riverdale, IL