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Publications for publication type Article and publication subtype Journal Article

Exploring the potential of electrospray-Orbitrap for stable isotope analysis using nitrate as a model, 2021, Analytical Chemistry (93) -
New organic reference materials for hydrogen, carbon, and nitrogen stable isotope-ratio measurements: caffeines, n-alkanes, fatty acid methyl esters, glycines, L-valines, polyethylenes, and oils, 2016, Analytical Chemistry (88) - 8
Statistical models for the analysis and design of digital polymerase chain (dPCR) experiments, 2015, Analytical Chemistry (87) - 21
On-line hydrogen-isotope measurements of organic samples using elemental chromium: An extension for high temperature elemental-analyzer techniques, 2015, Analytical Chemistry (87) - 10
High-precision measurement of variations in calcium isotope ratios in urine by multiple collector inductively coupled plasma mass spectrometry, 2011, Analytical Chemistry (83) - 18
Caution on the use of liquid nitrogen traps in stable hydrogen isotope-ratio mass spectrometry, 2010, Analytical Chemistry (82) - 18
Trace analysis of antidepressant pharmaceuticals and their select degradates in aquatic matrixes by LC/ESI/MS/MS, 2008, Analytical Chemistry (80) - 5
Isotopic analysis of N and O in nitrite and nitrate by sequential selective bacterial reduction to N2O, 2007, Analytical Chemistry (79) - 15
Oxygen isotopes in nitrite: Analysis, calibration, and equilibration, 2007, Analytical Chemistry (79) - 6
Trace analysis of trimethoprim and sulfonamide, macrolide, quinolone, and tetracycline antibiotics in chlorinated drinking water using liquid chromatography electrospray tandem mass spectrometry, 2007, Analytical Chemistry (79) - 3
New guidelines for δ¹³C measurements, 2006, Analytical Chemistry (78) - 7
A gas-phase chemiluminescence-based analyzer for waterborne arsenic, 2006, Analytical Chemistry (78) - 20
Perchlorate isotope forensics, 2005, Analytical Chemistry (77) - 23
Combination of LC/TOF-MS and LC/Ion Trap MS/MS for the Identification of Diphenhydramine in Sediment Samples, 2004, Analytical Chemistry (76) - 5
Methodological refinements in the determination of 146 polychlorinated biphenyls, including non-ortho- and mono-ortho-substituted PCBs, and 26 organochlorine pesticides as demonstrated in heron eggs, 2003, Analytical Chemistry (75) - 5
Comparison of δ18O measurements in nitrate by different combustion techniques, 2002, Analytical Chemistry (74) - 20
Linker-assisted immunoassay and liquid chromatography/mass spectrometry for the analysis of glyphosate, 2002, Analytical Chemistry (74) - 19
Determination of the total oxygen isotopic composition of nitrate and the calibration of a Δ17Ο nitrate reference material, 2002, Analytical Chemistry (74) - 19
Measurement of the oxygen isotopic composition of nitrate in seawater and freshwater using the denitrifier method, 2002, Analytical Chemistry (74) - 19
Accelerated solvent extraction followed by on-line solid-phase extraction coupled to ion trap LC/MS/MS for analysis of benzalkonium chlorides in sediment samples, 2002, Analytical Chemistry (74) - 6
A bacterial method for the nitrogen isotopic analysis of nitrate in seawater and freshwater, 2001, Analytical Chemistry (73) - 17
Molecular resolution and fragmentation of fulvic acid by electrospray ionization/multistage tandem mass spectrometry, 2001, Analytical Chemistry (73) - 7
Choosing between atmospheric pressure chemical ionization and electrospray ionization interfaces for the HPLC/MS analysis of pesticides, 2001, Analytical Chemistry (73) - 22
Analysis of trace levels of sulfonamide and tetracycline antimicrobials in groundwater and surface water using solid-phase extraction and liquid chromatography/mass spectrometry, 2001, Analytical Chemistry (73) - 19
Selective trace enrichment of chlorotriazine pesticides from natural waters and sediment samples using terbuthylazine molecularly imprinted polymers, 2000, Analytical Chemistry (72) - 16
Double-disk solid-phase extraction--Simultaneous cleanup and trace enrichment of herbicides and metabolites from environmental samples, 1999, Analytical Chemistry (71) - 5
Determination of a wide range of volatile organic compounds in ambient air using multisorbent adsorption/thermal desorption and gas chromatography/mass spectrometry, 1998, Analytical Chemistry (70) - 24
Investigation of anion-exchange and immunoaffinity particle-loaded membranes for the isolation of charged organic analytes from water, 1998, Analytical Chemistry (70) - 9
Unnatural isotopic composition of lithium reagents, 1997, Analytical Chemistry (69) - 19
Identification of ionic chloroacetanilide-herbicide metabolites in surface water and groundwater by HPLC/MS using negative ion spray, 1997, Analytical Chemistry (69) - 22
Determination of δ¹⁸O and δ¹⁵N in Nitrate, 1997, Analytical Chemistry (69) - 21
Determination of 15N/14N and 13C/12C in solid and aqueous cyanides, 1996, Analytical Chemistry (68) - 8
Determination of nanogram per liter concentrations of volatile organic compounds in water by capillary gas chromatography and selected ion monitoring mass spectrometry and its use to define groundwater flow directions in Edwards Aquifer, Texas, 1995, Analytical Chemistry (67) - 20
Determination of elemental content off rocks by laser ablation inductively coupled plasma mass spectrometry, 1995, Analytical Chemistry (67) - 14
Determination of alachlor and its sulfonic acid metabolite in water by solid-phase extraction and enzyme-linked immunosorbent assay, 1994, Analytical Chemistry (66) - 9
Coupling solid-phase extraction and enzyme-linked immunosorbent assay for ultratrace determination of herbicides in pristine water, 1993, Analytical Chemistry (65) - 20
Geological and inorganic materials, 1993, Analytical Chemistry (65) - 12
Inductively coupled plasma-mass spectrometry as an element-specific detector for field-flow fractionation particle separation, 1992, Analytical Chemistry (64) - 18
Mixed-mode isolation of triazine metabolites from soil and aquifer sediments using automated solid-phase extraction, 1992, Analytical Chemistry (64) - 17
Geological and inorganic materials, 1991, Analytical Chemistry (63) - 12
Sources and magnitude of bias associated with determination of polychlorinated biphenyls in environmental samples, 1991, Analytical Chemistry (63) - 19
Improvements in the gaseous hydrogen-water equilibration technique for hydrogen isotope ratio analysis, 1991, Analytical Chemistry (63) - 9
Combustion tube method for measurement of nitrogen isotope ratios using calcium oxide for total rmoval of carbon dioxide and water, 1990, Analytical Chemistry (62) - 5
Gas chromatographic separation of carbon dioxide and nitrous oxide for stable isotopic analysis of carbon dioxide, 1990, Analytical Chemistry (62) - 9
Enzyme-linked immunosorbent assay compared with gas chromatography/mass spectrometry for the determination of triazine herbicides in water, 1990, Analytical Chemistry (62) - 18
Analysis of antimycin A by reversed-phase liquid chromatography/nuclear magnetic-resonance spectrometry, 1989, Analytical Chemistry (61) - 5
Simultaneous determination of major and trace elements by inductively coupled plasma mass spectrometry/optical emission spectrometry, 1989, Analytical Chemistry (61) - 7
Mechanistic characterization of chloride interferences in electrothermal atomization systems, 1988, Analytical Chemistry (60) - 23
Preparation of biological tissue for determination of arsenic and selenium by graphite furnace atomic absorption spectrometry, 1987, Analytical Chemistry (59) - 14
Structural analysis of geochemical samples by solid-state nuclear magnetic resonance spectrometry. Role of paramagnetic material, 1987, Analytical Chemistry (59) - 4
Geological and inorganic materials, 1987, Analytical Chemistry (59) - 12
Determination of alkylbenzenesulfonate surfactants in groundwater using macroreticular resins and carbon-13 nuclear magnetic resonance spectrometry, 1987, Analytical Chemistry (59) - 14
Isolation of nonvolatile, organic solutes from natural waters by zeotrophic distillation of water from N,N-dimethylformamide, 1987, Analytical Chemistry (59) - 9
Electrically heated quartz atomization cell for hydride generation-atomic absorption spectrophotometry, 1987, Analytical Chemistry (59) - 14
Determination of the rare-earth elements in geological materials by inductively coupled plasma mass spectrometry, 1987, Analytical Chemistry (59) - 8
Stable isotope dilution analysis of hydrologic samples by inductively coupled plasma mass spectrometry, 1987, Analytical Chemistry (59) - 11
Preconcentration of trace elements from aqueous solutions by osmosis, 1986, Analytical Chemistry (58) - 14
Microwave dissolution of geologic material: Application to isotope dilution analysis, 1986, Analytical Chemistry (58) - 1
Determination of selected azaarenes in water by bonded-phase extraction and liquid chromatography, 1986, Analytical Chemistry (58) - 8
Concentration of trace elements in water samples by reductive precipitation, 1985, Analytical Chemistry (57) - 14
Multisample conversion of water to hydrogen by zinc for stable isotope determination, 1985, Analytical Chemistry (57) - 7
Methods for the quantitative determination of multiple, specific polychlorinated dibenzo-p-dioxin and dibenzofuran isomers in human adipose tissue in the parts-per-trillion range. An interlaboratory study, 1985, Analytical Chemistry (57) - 13
Recovery of dichlorobenzenes, nitrobenzene, and naphthalene during evaporative concentration, 1985, Analytical Chemistry (57) - 7
Water analysis, 1985, Analytical Chemistry (57) - 5
Extraction of molybdenum with a multielement liquid organic extraction system, 1985, Analytical Chemistry (57) - 12
Bonded-phase extraction column isolation of organic compounds in groundwater at a hazardous waste site, 1984, Analytical Chemistry (56) - 14
Optimization of electrothermal atomization parameters for simultaneous multielement atomic absorption spectrometry, 1984, Analytical Chemistry (56) - 1
Analytical performance of a low-gas-flow torch optimized for inductively coupled plasma atomic emission spectrometry, 1984, Analytical Chemistry (56) - 2
Back-extraction with three aqueous stripping systems for 16 elements from organometallic-halide extracts, 1983, Analytical Chemistry (55) - 1
Selective concentration of aromatic bases from water with a resin adsorbent, 1983, Analytical Chemistry (55) - 1
Determination of isomeric olefinic groups in unsaturated terpene aminoethanols by carbon-13 nuclear magnetic resonance spectrometry, 1982, Analytical Chemistry (54) - 3
Preparation and stable isotope determination of NBS-16 and NBS-17 carbon dioxide reference samples, 1982, Analytical Chemistry (54) - 14
Determination of lithium isotopes at natural abundance levels by atomic absorption spectrometry, 1982, Analytical Chemistry (54) - 13
Determination of rare earth elements in geological materials by inductively coupled argon plasma/atomic emission spectrometry, 1982, Analytical Chemistry (54) - 8
Glass frit nebulizer for atomic spectrometry, 1982, Analytical Chemistry (54) - 4
High-voltage device for clearing clogged glass jet separators, 1982, Analytical Chemistry (54) - 8
Pressure control of a gas by a calculator-operated mercury piston, 1981, Analytical Chemistry (53) - 6
Back-extraction of trace elements from organometallic-halide extracts for determination by flameless atomic absorption spectrometry, 1981, Analytical Chemistry (53) - 1
Multielement extraction system for the determination of 18 trace elements in geochemical samples, 1981, Analytical Chemistry (53) - 1
Determination of tetraalkyllead compounds in gasoline by liquid chromatography-atomic absorption spectrometry, 1981, Analytical Chemistry (53) - 11
Multichannel peristaltic pump with a pneumatic nebulizer for atomic absorption or emission spectrometry, 1981, Analytical Chemistry (53) - 4
Hydrogen sulfide removal with boric acid, 1980, Analytical Chemistry (52) - 9
Comparison of XAD macroporous resins for the concentration of fulvic acid from aqueous solution, 1979, Analytical Chemistry (51) - 11
Modification of a commercial micrometer hanging mercury drop electrode, 1979, Analytical Chemistry (51) - 14
Determination of silver, bismuth, cadmium, copper, lead, and zinc in geologic materials by atomic absorption spectrometry with tricaprylylmethylammonium chloride, 1978, Analytical Chemistry (50) - 8
Prediction of capacity factors for aqueous organic solutes adsorbed on a porous acrylic resin, 1978, Analytical Chemistry (50) - 6
Square wave voltammetry at the dropping mercury electrode: Experimental, 1977, Analytical Chemistry (49) - 13
Water analysis, 1977, Analytical Chemistry (49) - 5
Inorganic and geological materials, 1977, Analytical Chemistry (49) - 5
Investigation of detection limits for solutes in water measured by laser raman spectrometry, 1977, Analytical Chemistry (49) - 1
Automated atomic absorption spectrometric determination of total arsenic in water and streambed materials, 1977, Analytical Chemistry (49) - 11
Borohydride-flame determination of arsenic in phosphoric acid, 1977, Analytical Chemistry (49) - 14
Square wave voltammetry at the dropping mercury electrode: Theory, 1977, Analytical Chemistry (49) - 13
Alternate drop pulse polarography, 1976, Analytical Chemistry (48) - 2
Constant potential pulse polarography, 1976, Analytical Chemistry (48) - 3
Inorganic and geological materials, 1975, Analytical Chemistry (47) - 5
Water analysis, 1975, Analytical Chemistry (47) - 5
Water analysis, 1973, Analytical Chemistry (45) - 5
Extraction and concentration of organic solutes from water, 1973, Analytical Chemistry (45) - 1
Determination of lead, uranium, thorium, and thallium in silicate glass standard materials by isotope dilution mass spectrometry, 1973, Analytical Chemistry (45) - 6
Precision and detection limits of certain minor and trace elements in silicates by electron microprobe analysis, 1971, Analytical Chemistry (43) - 13
Determination of mercury in water, 1970, Analytical Chemistry (42) - 12
Determination of fluoride in silicate rocks without separation of aluminum using a specific ion electrode, 1970, Analytical Chemistry (42) - 14
New semimicroprocedure for determination of ferrous iron in refractory silicate minerals using a sodium metafluoborate decomposition, 1970, Analytical Chemistry (42) - 9
Water analysis, 1969, Analytical Chemistry (41) - 5
Determination of fixed water in rocks by infrared absorption, 1969, Analytical Chemistry (41) - 3
New method for preparing ultrapure hydrofluoric acid, 1969, Analytical Chemistry (41) - 14
Fluorometric determination of gold in rocks with rhodamine B, 1968, Analytical Chemistry (40) - 7
Determination of gold in rocks by neutron activation analysis using fire-assay preconcentration, 1968, Analytical Chemistry (40) - 7
Demountable hot hollow cathode lamp as excitation source in atomic fluorescence flame spectrometry, 1967, Analytical Chemistry (39) - 12
Atomic fluorescence flame spectrometric detection of palladium, titanium, zirconium, chromium, and aluminum using a hot hollow cathode lamp, 1967, Analytical Chemistry (39) - 12
Water analysis, 1965, Analytical Chemistry (37) - 5
High precision conductivity bridge, 1965, Analytical Chemistry (37) - 9
Fluorometric study of the beryllium-morin system, 1965, Analytical Chemistry (37) - 4
Apparatus for continuous extraction of nonpolar compounds from water applied to determination of chlorinated pesticides and intermediates, 1964, Analytical Chemistry (36) - 7
Catalytic determination of vanadium in water, 1964, Analytical Chemistry (36) - 8
Determination of total sulfur in water by neutron activation analysis, 1963, Analytical Chemistry (35) - 6
A vertical-axis transmission-type filter-fluorometer for solutions, 1963, Analytical Chemistry (35) - 3
Indirect spectrophotometric determination of traces of bromide in water, 1963, Analytical Chemistry (35) - 2
Study of multicomponent mixtures in solution with a vertical-axis transmission-type filter-fluorometer, 1963, Analytical Chemistry (35) - 3
Determination of 2-isovaleryl-1,3-indandione with 2,4-dinitrophenylhydrazine. Rodenticide Analysis., 1962, Analytical Chemistry (34) - 4
Concentration method for the spectrochemical determination of seventeen minor elements in natural water, 1962, Analytical Chemistry (34) - 7
Spectrophotometric catalytic determination of small amounts of rhenium in mineralized rocks and molybdenite, 1962, Analytical Chemistry (34) - 11
Water analysis, 1961, Analytical Chemistry (33) - 5
Determination of beryllium in ores and rocks by a dilution-fluorometric method with morin, 1961, Analytical Chemistry (33) - 9
Rapid determination of fluorine in phosphate rocks, 1960, Analytical Chemistry (32) - 4
Colorimetric determination of halogenated nitrophenols added to streams as sea lamprey larvicides, 1960, Analytical Chemistry (32) - 12
Characteristic constants of 2,2',4'-trihydroxyazobenzene-5-sulfonic acid, a reagent for spectrophotometric analysis, 1960, Analytical Chemistry (32) - 13
Automatic measurements and computations for radiochemical analyses, 1960, Analytical Chemistry (32) - 9
Theoretical stusy of the reaction between 2,2',4' - trihydroxyazobenzene-5-sulfonic acid and zirconium, 1960, Analytical Chemistry (32) - 13
Determination of niobium in the parts per million range in rocks, 1960, Analytical Chemistry (32) - 1
Releasing effects in flame photometry. Determination of calcium, 1960, Analytical Chemistry (32) - 11
Water analysis, 1959, Analytical Chemistry (31) - 4
Spectrophotometric study of the magnesium-bissalicylidene-ethylenediamine system, 1959, Analytical Chemistry (31) - 12
Fluorometric study of the magnesium—Bissalicylidene-ethylenediamine aystem, 1959, Analytical Chemistry (31) - 12
Machine for preparing phosphors for the fluorometric determination of uranium, 1959, Analytical Chemistry (31) - 5
Determination of chlorine in silicate rocks, 1959, Analytical Chemistry (31) - 12
Electrode holder for work in controlled atmospheres, 1959, Analytical Chemistry (31) - 8
Semimicrodetermination of combined tantalum and niobium with selenous acid, 1959, Analytical Chemistry (31) - 7
Apparatus and technique for multiple tests by the confined-spot method of colorimetric analysis: Application to field estimation of nickel and copper, 1958, Analytical Chemistry (30) - 4
Dithizone method for determination of lead in monazite, 1958, Analytical Chemistry (30) - 6
Semimicrodetermination of tantalum with selenous acid, 1958, Analytical Chemistry (30) - 12
Potassium bromide method of infrared sampling, 1958, Analytical Chemistry (30) - 12
Spectrochemical method for the determination of selenium, 1958, Analytical Chemistry (30) - 9
Use of ion exchange resins in the analysis of rocks and minerals: Separation of sodium and potassium, 1958, Analytical Chemistry (30) - 12
Water Analysis, 1957, Analytical Chemistry (29) - 4
Colorimetric estimation of milligram quantities of inorganic azides, 1957, Analytical Chemistry (29) - 5
Volumetric determination of uranium: Titanous sulfate as reductant before oxidimetric titration, 1957, Analytical Chemistry (29) - 6
Modified determination of radium in water, 1957, Analytical Chemistry (29) - 11
X-ray spectrographic determination of cesium and rubidium, 1957, Analytical Chemistry (29) - 9
Quantitative radiochemical methods for determination of the sources of natural radioactivity, 1957, Analytical Chemistry (29) - 10
Selective precipitation of thorium iodate from a tartaric acid-hydrogen peroxide medium application to rapid spectrophotometric determination of thorium in Silicate Rocks and in Ores, 1957, Analytical Chemistry (29) - 5
Modified zirconium-Eriochrome Cyanine R determination of fluoride, 1957, Analytical Chemistry (29) - 11
Thoron-meso-tartaric acid system for determination of thorium, 1957, Analytical Chemistry (29) - 6
Determination of uranium in natural waters, 1957, Analytical Chemistry (29) - 11
Multiple-unit fusion rack, 1956, Analytical Chemistry (28) - 2
Spectrophotometric study of the thorium-morin mixed-color system, 1956, Analytical Chemistry (28) - 9
Thoron-tartaric acid systems for spectrophotometric determination of thorium, 1956, Analytical Chemistry (28) - 5
Water analysis, 1955, Analytical Chemistry (27) - 4
Automatic micromuffle for determination of ash in carbonaceous material, 1955, Analytical Chemistry (27) - 3
Automatic photometric titrations of calcium and magnesium in carbonate rocks, 1955, Analytical Chemistry (27) - 5
Determination of small and large amounts of fluorine in rocks, 1955, Analytical Chemistry (27) - 6
Rapid determination of water in silicate rocks, 1955, Analytical Chemistry (27) - 4
Determination of total sulfur content of sedimentary rocks by a combustion method, 1955, Analytical Chemistry (27) - 6
Determination of thorium and of rare earth elements in cerium earth minerals and ores, 1955, Analytical Chemistry (27) - 7
Determination of thorium by fluorescent x-ray spectrometry, 1955, Analytical Chemistry (27) - 6
Field determination of microgram quantities of niobium in rocks, 1955, Analytical Chemistry (27) - 8
A new ceramic buckboard and muller, 1955, Analytical Chemistry (27) - 6
Rapid determination of carbon dioxide in silicate rocks, 1955, Analytical Chemistry (27) - 11
Molybdenum blue reaction and determination of phosphorus in waters containing arsenic, silicon, and germanium, 1955, Analytical Chemistry (27) - 2
Determination of boron in silicates after ion exchange separation, 1955, Analytical Chemistry (27) - 1
Effect of ashing temperature on the volatility of germanium In low-rank coal samples, 1954, Analytical Chemistry (26) - 7
Polarographic determination of tungsten in rocks, 1954, Analytical Chemistry (26) - 8
Tables for evaluating Bateman equation coefficients for radioactivity calculations, 1954, Analytical Chemistry (26) - 10
Quantitative radiochemical method for determination of major sources of natural radioactivity in ores and minerals, 1954, Analytical Chemistry (26) - 8
Spectrophotometric determination of uric acid and some redeterminations of its solubility, 1954, Analytical Chemistry (26) - 3
Spectrochemical study of gravimetric procedure for barium, strontium, and calcium, 1954, Analytical Chemistry (26) - 4
Stability of dilute solutions of uranium, lead, and thorium ions, 1954, Analytical Chemistry (26) - 11
Aluminum powder as a binder in sample preparation for X-ray spectrometry, 1954, Analytical Chemistry (26) - 5
Method for determination of small amounts of rare earths and thorium in phosphate rocks, 1953, Analytical Chemistry (25) - 3
Ultraviolet spectrophotometric determination of tantalum with pyrogallol, 1953, Analytical Chemistry (25) - 12
Separation of antimony by solvent extraction, 1953, Analytical Chemistry (25) - 2
Quercetin as colorimetric reagent for determination of zirconium, 1953, Analytical Chemistry (25) - 12
Water, 1953, Analytical Chemistry (25) - 1
Determination of traces of cobalt in soils: A field method, 1953, Analytical Chemistry (25) - 1
Semiquantitative spectrographic method for analysis of minerals, rocks, and ores, 1953, Analytical Chemistry (25) - 8
Field method for determination of traces of arsenic in soils: Confined spot procedure using a modified Gutzeit apparatus, 1953, Analytical Chemistry (25) - 11
Fluorometric analysis, 1952, Analytical Chemistry (24) - 12
Determination of lithium in rocks: Fluorometric method, 1951, Analytical Chemistry (23) - 3
Determination of molybenum in soils and rocks: A geochemical semimicro field method, 1951, Analytical Chemistry (23) - 5
Geochemical field method for determination of nickel in plants, 1951, Analytical Chemistry (23) - 5
Determination of fluorine in organic compounds: Microcombustion method, 1951, Analytical Chemistry (23) - 4
Cooperative investigation of precision and accuracy in chemical analysis of silicate rocks, 1951, Analytical Chemistry (23) - 11
Fluorometric determination of zirconium in minerals, 1951, Analytical Chemistry (23) - 8
Water analysis, 1950, Analytical Chemistry (22) - 2
Spectrographic analysis of coal and coal ash, 1950, Analytical Chemistry (22) - 3
Determination of lithium in rocks by distillation, 1949, Analytical Chemistry (21) - 1
Determination of color of turbid waters, 1949, Analytical Chemistry (21) - 6