Hydrodynamic chromatography online with single particle-inductively coupled plasma mass spectrometry for ultratrace detection of metal-containing nanoparticles SA Pergantis, TL Jones-Lepp, EM Heithmar Analytical chemistry 84 (15), 6454-6462, 2012 | 141 | 2012 |
Mercury concentrations in fish from Lake Mead, USA, related to fish size, condition, trophic level, location, and consumption risk JV Cizdziel, TA Hinners, JE Pollard, EM Heithmar, CL Cross Archives of Environmental Contamination and Toxicology 43, 0309-0317, 2002 | 126 | 2002 |
Minimization of interferences in inductively coupled plasma mass spectrometry using on-line preconcentration EM Heithmar, TA Hinners, JT Rowan, JM Riviello Analytical Chemistry 62 (8), 857-864, 1990 | 122 | 1990 |
Determination of total mercury in fish tissues using combustion atomic absorption spectrometry with gold amalgamation JV Cizdziel, TA Hinners, EM Heithmar Water, Air, and Soil Pollution 135, 355-370, 2002 | 107 | 2002 |
Roxarsone and transformation products in chicken manure: determination by capillary electrophoresis‐inductively coupled plasma‐mass spectrometry CG Rosal, GM Momplaisir, EM Heithmar Electrophoresis 26 (7‐8), 1606-1614, 2005 | 91 | 2005 |
Inductively coupled plasma mass spectrometric determination of trace elements in surface waters subject to acidic deposition JM Henshaw, EM Heithmar, TA Hinners Analytical Chemistry 61 (4), 335-342, 1989 | 90 | 1989 |
Inductively coupled plasma mass spectrometric determination of lead isotopes TA Hinners, EM Heithmar, TM Spittler, JM Henshaw Analytical Chemistry 59 (22), 2658-2662, 1987 | 86 | 1987 |
Microscale flow injection and microbore high-performance liquid chromatography coupled with inductively coupled plasma mass spectrometry via a high-efficiency nebulizer SA Pergantis, EM Heithmar, TA Hinners Analytical Chemistry 67 (24), 4530-4535, 1995 | 85 | 1995 |
Detection and quantification of silver nanoparticles at environmentally relevant concentrations using asymmetric flow field–flow fractionation online with single particle … KA Huynh, E Siska, E Heithmar, S Tadjiki, SA Pergantis Analytical chemistry 88 (9), 4909-4916, 2016 | 67 | 2016 |
Determination of metals in solid samples by complexation—supercritical fluid extraction and gas chromatography—atomic emission detection Y Liu, V Lopez-Avila, M Alcaraz, WF Beckert, EM Heithmar Journal of chromatographic science 31 (8), 310-316, 1993 | 67 | 1993 |
Tubular electrode torch for capacitatively coupled helium microwave plasma as a spectrochemical excitation source BM Patel, E Heithmar, JD Winefordner Analytical Chemistry 59 (19), 2374-2377, 1987 | 54 | 1987 |
Investigation of arsine-generating reactions using deuterium-labeled reagents and mass spectrometry SA Pergantis, W Winnik, EM Heithmar, WR Cullen Talanta 44 (11), 1941-1947, 1997 | 47 | 1997 |
Temporal patterns and sources of atmospherically deposited pesticides in alpine lakes of the Sierra Nevada, California, USA DF Bradford, EM Heithmar, NG Tallent-Halsell, GM Momplaisir, CG Rosal, ... Environmental science & technology 44 (12), 4609-4614, 2010 | 33 | 2010 |
A semi-automated colorimetric method for the determination of monomeric aluminum species in natural waters by flow injection analysis JM Henshaw, TE Lewis, EM Heithmar International journal of environmental analytical chemistry 34 (2), 119-135, 1988 | 31 | 1988 |
Development of a solid phase extraction method for agricultural pesticides in large-volume water samples GM Momplaisir, CG Rosal, EM Heithmar, KE Varner, LA Riddick, ... Talanta 81 (4-5), 1380-1386, 2010 | 28 | 2010 |
Characterizing concentrations and size distributions of metal-containing nanoparticles in waste water EM Heithmar, SA Pergantis US Environmental Protection Agency, Office of Research and Development …, 2010 | 26 | 2010 |
Arsenic speciation methods for studying the environmental fate of organoarsenic animal-feed additives GM Momplaisir, CG Rosal, EM Heithmar US EPA, NERL-Las Vegas, 01-11, 2001 | 26 | 2001 |
The evaluation and comparison of ion chromatography, segmented flow analysis and flow injection analysis for the determination on nitrate in natural surface waters EM Burke, FX Suarez, DC Hillman, EM Heithmar Water Research 23 (4), 519-521, 1989 | 24 | 1989 |
Environmental applications of hyphenated quadrupole techniques DF Gurka, LD Betowski, TA Hinners, EM Heithmar, R Titus, JM Henshaw Analytical Chemistry 60 (7), 454A-467A, 1988 | 18 | 1988 |
Apparent monomeric aluminum concentrations in the presence of humic and fulvic acid and other ligands: an intermethod comparison study TE Lewis, DE Dobb, JM Henshaw, SJ Simon, EM Heithmar International journal of environmental analytical chemistry 34 (1), 69-87, 1988 | 17 | 1988 |