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Although hydride generation methods have long been used for the analysis of As and Se by AA, very little work has been done on simultaneous hydride generation for the ICP (inductively coupled plasma) environment. This paper will present an outline of the sample preparation and instrumental parameters for the determination of As, Sb, and Se by ICP/hydride. This will be followed by a brief discussion of some quality assurance measurements which demonstrate the accuracy and precision of the method. It will be shown that the method can be used with EPA Superfund Contract Lab Program (CLP) type digestates and has great potential for producing reliable data for As, Sb, and Se in waste samples.
hydride generation, ICP (inductively coupled plasma), emission spectroscopy, arsenic, antimony, selenium
Supervisor, Accu-Labs Research, Inc., Wheat Ridge, CO