J. M. Gehlhausen

Comparison of EMIT II, CEDIA, and DPC RIA assays for the detection of lysergic acid diethylamide in forensic urine samples.

K. Klette, P. Stout, Russell F Wiegand, 2002, Journal of analytical toxicology.

Determination of aqueous fluoride with a helium microwave-induced plasma and flow injection analysis.

J. M. Gehlhausen, J. Carnahan, 1989, Analytical chemistry.

Simultaneous determination of elemental ratios in coal by direct powder injection into a helium microwave induced plasma

J. M. Gehlhausen, Jay M. Gehlhausen, Jon W. Carnahan, 1991 .

Direct determination of nonmetals in solution with atomic spectrometry

J. M. Gehlhausen, J. Carnahan, K. Cull, 1988 .

Atomic emission spectrometry with helium plasmas: An emerging approach for nonmetal determinations

J. M. Gehlhausen, J. Carnahan, Mingin Wu, 1992 .

Evaluation of a solid-phase extraction method for benzoylecgonine urine analysis in a high-throughput forensic urine drug-testing laboratory.

K. Klette, P. Stout, J. M. Gehlhausen, 2002, Journal of analytical toxicology.