George R. Helz - Publications

Chemistry University of Maryland, College Park, College Park, MD 
Biogeochemistry, Geochemistry, Environmental Sciences

112 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2016 Mohajerin TJ, Helz GR, Johannesson KH. Tungsten-molybdenum fractionation in estuarine environments Geochimica Et Cosmochimica Acta. 177: 105-119. DOI: 10.1016/j.gca.2015.12.030  1
2014 Helz GR. Activity of zero-valent sulfur in sulfidic natural waters. Geochemical Transactions. 15: 13. PMID 26561456 DOI: 10.1186/s12932-014-0013-x  1
2014 Helz GR, Erickson BE, Vorlicek TP. Stabilities of thiomolybdate complexes of iron; implications for retention of essential trace elements (Fe, Cu, Mo) in sulfidic waters. Metallomics : Integrated Biometal Science. 6: 1131-40. PMID 24226648 DOI: 10.1039/c3mt00217a  1
2014 Mohajerin TJ, Helz GR, White CD, Johannesson KH. Tungsten speciation in sulfidic waters: Determination of thiotungstate formation constants and modeling their distribution in natural waters Geochimica Et Cosmochimica Acta. 144: 157-172. DOI: 10.1016/j.gca.2014.08.037  1
2013 Helz GR, Adelson JM. Trace element profiles in sediments as proxies of dead zone history; rhenium compared to molybdenum. Environmental Science & Technology. 47: 1257-64. PMID 23305045 DOI: 10.1021/es303138d  1
2012 Dolor MK, Helz GR, McDonough WF. Cause of the chalcophile trace element enrichments marking the Holocene to Anthropocene transition in northern Chesapeake Bay sediments Geochimica Et Cosmochimica Acta. 82: 79-91. DOI: 10.1016/j.gca.2010.06.040  1
2012 Helz GR, Dolor MK. What regulates rhenium deposition in euxinic basins? Chemical Geology. 304: 131-141. DOI: 10.1016/j.chemgeo.2012.02.011  1
2011 Helz GR, Erickson BE. Extraordinary stability of copper(I)-tetrathiomolybdate complexes: possible implications for aquatic ecosystems. Environmental Toxicology and Chemistry / Setac. 30: 97-102. PMID 20928916 DOI: 10.1002/etc.379  1
2011 Helz GR, Ciglenečki I, Krznarić D, Bura-Nakić E. Voltammetry of sulfide nanoparticles and the FeS(aq) problem Acs Symposium Series. 1071: 265-282. DOI: 10.1021/bk-2011-1071.ch013  1
2011 Helz GR, Bura-Nakić E, Mikac N, Ciglenečki I. New model for molybdenum behavior in euxinic waters Chemical Geology. 284: 323-332. DOI: 10.1016/j.chemgeo.2011.03.012  1
2011 Bura-Nakić E, Krznarić D, Helz GR, Ciglenečki I. Characterization of Iron Sulfide Species in Model Solutions by Cyclic Voltammetry. Revisiting an Old Problem Electroanalysis. 23: 1376-1382. DOI: 10.1002/elan.201000675  1
2010 Scheiderich K, Helz GR, Walker RJ. Century-long record of Mo isotopic composition in sediments of a seasonally anoxic estuary (Chesapeake Bay) Earth and Planetary Science Letters. 289: 189-197. DOI: 10.1016/j.epsl.2009.11.008  1
2010 Scheiderich K, Zerkle AL, Helz GR, Farquhar J, Walker RJ. Molybdenum isotope, multiple sulfur isotope, and redox-sensitive element behavior in early Pleistocene Mediterranean sapropels Chemical Geology. 279: 134-144. DOI: 10.1016/j.chemgeo.2010.10.015  1
2009 Dolor MK, Helz GR, McDonough WF. Sediment profiles of less commonly determined elements measured by Laser Ablation ICP-MS. Marine Pollution Bulletin. 59: 182-92. PMID 19406437 DOI: 10.1016/j.marpolbul.2009.03.027  1
2009 Dolor MK, Gilmour CC, Helz GR. Distinct microbial behavior of re compared to Tc: Evidence against Microbial re fixation in aquatic sediments Geomicrobiology Journal. 26: 470-483. DOI: 10.1080/01490450903060822  1
2009 Bura-Nakić E, Helz GR, Ciglenečki I, Ćosović B. Reduced sulfur species in a stratified seawater lake (Rogoznica Lake, Croatia); seasonal variations and argument for organic carriers of reactive sulfur Geochimica Et Cosmochimica Acta. 73: 3738-3751. DOI: 10.1016/j.gca.2009.03.037  1
2008 Krznarić D, Helz GR, Bura-Nakić E, Jurasin D. Accumulation mechanism for metal chalcogenide nanoparticles at Hg0 electrodes: copper sulfide example. Analytical Chemistry. 80: 742-9. PMID 18183961 DOI: 10.1021/ac071180z  1
2008 Helz GR, Tossell JA. Thermodynamic model for arsenic speciation in sulfidic waters: A novel use of ab initio computations Geochimica Et Cosmochimica Acta. 72: 4457-4468. DOI: 10.1016/j.gca.2008.06.018  1
2007 Bura-Nakić E, Krznarić D, Jurasin D, Helz GR, Ciglenecki I. Voltammetric characterization of metal sulfide particles and nanoparticles in model solutions and natural waters. Analytica Chimica Acta. 594: 44-51. PMID 17560384 DOI: 10.1016/j.aca.2007.04.065  1
2007 Bell AMT, Charnock JM, Helz GR, Lennie AR, Livens FR, Mosselmans JFW, Pattrick RAD, Vaughan DJ. Evidence for dissolved polymeric mercury(II)-sulfur complexes? Chemical Geology. 243: 122-127. DOI: 10.1016/j.chemgeo.2007.05.013  1
2006 Krznarić D, Helz GR, Ciglenečki I. Prospect of determining copper sulfide nanoparticles by voltammetry: A potential artifact in supersaturated solutions Journal of Electroanalytical Chemistry. 590: 207-214. DOI: 10.1016/j.jelechem.2006.03.046  1
2005 Ciglenecki I, Krznarić D, Helz GR. Voltammetry of copper sulfide particles and nanoparticles: investigation of the cluster hypothesis. Environmental Science & Technology. 39: 7492-8. PMID 16245820 DOI: 10.1021/es050586v  1
2005 MacCrehan WA, Bedner M, Helz GR. Making chlorine greener: performance of alternative dechlorination agents in wastewater. Chemosphere. 60: 381-8. PMID 15924957 DOI: 10.1016/j.chemosphere.2004.11.075  1
2005 Neuberger CS, Helz GR. Arsenic(III) carbonate complexing Applied Geochemistry. 20: 1218-1225. DOI: 10.1016/j.apgeochem.2005.01.007  1
2004 Helz GR, Vorlicek TP, Kahn MD. Molybdenum scavenging by iron monosulfide. Environmental Science & Technology. 38: 4263-8. PMID 15382851 DOI: 10.1021/es034969+  1
2004 Bedner M, MacCrehan WA, Helz GR. Making chlorine greener: investigation of alternatives to sulfite for dechlorination. Water Research. 38: 2505-14. PMID 15159154 DOI: 10.1016/j.watres.2004.03.010  1
2004 Bedner M, MacCrehan WA, Helz GR. Production of macromolecular chloramines by chlorine-transfer reactions. Environmental Science & Technology. 38: 1753-8. PMID 15074685 DOI: 10.1021/es035064z  1
2004 Vorlicek TP, Kahn MD, Kasuya Y, Helz GR. Capture of molybdenum in pyrite-forming sediments: Role of ligand-induced reduction by polysulfides Geochimica Et Cosmochimica Acta. 68: 547-556. DOI: 10.1016/S0016-7037(00)00444-7  1
2003 Bostick BC, Fendorf S, Helz GR. Differential adsorption of molybdate and tetrathiomolybdate on pyrite (FeS2). Environmental Science & Technology. 37: 285-91. PMID 12564899 DOI: 10.1021/es0257467  1
2003 Ciglenečki I, Helz GR. Voltammetric behavior of MoS42- and SbS43- as possible components of "dissolved sulfide" in oxic natural waters Electroanalysis. 15: 145-150. DOI: 10.1002/elan.200390016  1
2002 Bedner M, MacCrehan WA, Helz GR. Improving the recoveries of unstable N-chloramines determined by liquid chromatography-postcolumn electrochemical detection. Journal of Chromatographic Science. 40: 447-55. PMID 12387336  1
2002 Helz GR, Valerio MS, Capps NE. Antimony speciation in alkaline sulfide solutions: role of zerovalent sulfur. Environmental Science & Technology. 36: 943-8. PMID 11918022 DOI: 10.1021/es011227c  1
2002 Vorlicek TP, Helz GR. Catalysis by mineral surfaces Implications for Mo geochemistry in anoxic environments Geochimica Et Cosmochimica Acta. 66: 3679-3692. DOI: 10.1016/S0016-7037(01)00837-7  1
2001 Rock ML, James BR, Helz GR. Hydrogen peroxide effects on chromium oxidation state and solubility in four diverse, chromium-enriched soils Environmental Science and Technology. 35: 4054-4059. PMID 11686366 DOI: 10.1021/es010597y  1
2001 Adelson JM, Helz GR, Miller CV. Reconstructing the rise of recent coastal anoxia; molybdenum in Chesapeake Bay sediments Geochimica Et Cosmochimica Acta. 65: 237-252. DOI: 10.1016/S0016-7037(00)00539-1  1
2000 Helz GR, Adelson JM, Miller CV, Cornwell JC, Hill JM, Horan M, Walker RJ. Osmium isotopes demonstrate distal transport of contaminated sediments in Chesapeake Bay Environmental Science and Technology. 34: 2528-2534. DOI: 10.1021/es9913986  1
2000 Clarke MB, Helz GR. Metal-thiometalate transport of biologically active trace elements in sulfidic environments. 1. Experimental evidence for copper thioarsenite complexing Environmental Science and Technology. 34: 1477-1482. DOI: 10.1021/es990134g  1
2000 Mosselmans JFW, Helz GR, Pattrick RAD, Charnock JM, Vaughan DJ. A study of speciation of Sb in bisulfide solutions by X-ray absorption spectroscopy Applied Geochemistry. 15: 879-889. DOI: 10.1016/S0883-2927(99)00080-3  1
2000 Erickson BE, Helz GR. Molybdenum(VI) speciation in sulfidic waters: Stability and lability of thiomolybdates Geochimica Et Cosmochimica Acta. 64: 1149-1158. DOI: 10.1016/S0016-7037(99)00423-8  1
2000 Capps NE, Helz GR. Counterintuitive oxidation of antimony in sulfidic waters Acs Division of Environmental Chemistry, Preprints. 40: 571-572.  1
2000 Vorlicek T, Helz GR. Mineral oxide catalysis of thiomolybdate interconversions Acs Division of Environmental Chemistry, Preprints. 40: 573-576.  1
1999 Jameel RH, Helz GR. Organic chloramines in disinfected wastewaters: Rates of reduction by sulfite and toxicity Environmental Toxicology and Chemistry. 18: 1899-1904. DOI: 10.1897/1551-5028(1999)018<1899:OCIDWR>2.3.CO;2  1
1999 Jensen JS, Lam YF, Helz GR. Role of amide nitrogen in water chlorination: Proton NMR evidence Environmental Science and Technology. 33: 3568-3573. DOI: 10.1021/es980878e  1
1998 Maccrehan WA, Jensen JS, Helz GR. Detection of sewage organic chlorination products that are resistant to dechlorination with sulfite Environmental Science and Technology. 32: 3640-3645. DOI: 10.1021/es980101l  1
1998 Jensen JS, Helz GR. Rates of reduction of N-chlorinated peptides by sulfite: Relevance to incomplete dechlorination of wastewaters Environmental Science and Technology. 32: 516-522. DOI: 10.1021/es9707365  1
1998 Jensen JS, Helz GR. Dechlorination kinetics at alkaline pH of N-chloropiperidine, a genotoxin in chlorinated municipal wastewater Water Research. 32: 2615-2620. DOI: 10.1016/S0043-1354(98)00008-6  1
1997 Paquette KE, Helz GR. Inorganic speciation of mercury in sulfidic waters: The importance of zero-valent sulfur Environmental Science and Technology. 31: 2148-2153. DOI: 10.1021/es961001n  1
1997 Jensen JS, Helz GR. Dechlorination kinetics of N-chloropiperidine, an ames mutagen Acs Division of Environmental Chemistry, Preprints. 37: 104-105.  1
1997 Pattrick RAD, Mosselmans JFW, Charnock JM, England KER, Helz GR, Garner CD, Vaughan DJ. The structure of amorphous copper sulfide precipitates: An X-ray absorption study Geochimica Et Cosmochimica Acta. 61: 2023-2036.  1
1996 Purdy CB, Helz GR, Mignerey AC, Kubik PW, Elmore D, Sharma P, Hemmick T. Aquia aquifer dissolved Cl- and 36Cl/Cl: Implications for flow velocities Water Resources Research. 32: 1163-1171. DOI: 10.1029/96WR00356  1
1996 Helz GR, Miller CV, Charnock JM, Mosselmans JFW, Pattrick RAD, Garner CD, Vaughan DJ. Mechanism of molybdenum removal from the sea and its concentration in black shales: EXAFS evidence Geochimica Et Cosmochimica Acta. 60: 3631-3642. DOI: 10.1016/0016-7037(96)00195-0  1
1995 Helz GR, Tossell JA, Charnock JM, Pattrick RAD, Vaughan DJ, David Garner C. Oligomerization in As (III) sulfide solutions: Theoretical constraints and spectroscopic evidence Geochimica Et Cosmochimica Acta. 59: 4591-4604. DOI: 10.1016/0016-7037(95)00330-4  1
1995 Kieber RJ, Helz GR. Temporal and Seasonal Variations of Hydrogen Peroxide Levels in Estuarine Waters Estuarine, Coastal and Shelf Science. 40: 495-503. DOI: 10.1006/ecss.1995.0034  1
1995 Helz GR, Nweke AC. Incompleteness of wastewater dechlorination Environmental Science and Technology. 29: 1018-1022.  1
1994 Hainsworth LJ, Mignerey AC, Helz GR, Sharma P, Kubik PW. Modern chlorine-36 deposition in southern Maryland, U.S.A Nuclear Inst. and Methods in Physics Research, B. 92: 345-349. DOI: 10.1016/0168-583X(94)96032-1  1
1994 Thompson RA, Helz GR. Copper speciation in sulfidic solutions at low sulfur activity: Further evidence for cluster complexes? Geochimica Et Cosmochimica Acta. 58: 2971-2983. DOI: 10.1016/0016-7037(94)90172-4  1
1993 Helz GR, Charnock jM, Vaughan DJ, Garner CD. Multinuclearity of aqueous copper and zinc bisulfide complexes: An EXAFS investigation Geochimica Et Cosmochimica Acta. 57: 15-25. DOI: 10.1016/0016-7037(93)90464-8  1
1992 Daskalakis KD, Helz GR. Solubility of CdS (greenockite), in sulfidic waters at 25 °C Environmental Science and Technology. 26: 2462-2468. DOI: 10.1021/es00036a019  1
1992 Helz GR, Valette-Silver N. Beryllium-10 in Chesapeake Bay sediments: An indicator of sediment provenance Estuarine, Coastal and Shelf Science. 34: 459-469. DOI: 10.1016/S0272-7714(05)80117-9  1
1992 Kieber RJ, Helz GR. Indirect photoreduction of aqueous chromium(VI) Environmental Science and Technology. 26: 307-312.  1
1992 Purdy CB, Burr GS, Rubin M, Helz GR, Mignerey AC. Dissolved organic and inorganic 14C concentrations and ages for coastal plain aquifers in southern Maryland Radiocarbon. 34: 654-663.  1
1989 Shea D, Helz GR. Solubility product constants of covellite and a poorly crystalline copper sulfide precipitate at 298 K Geochimica Et Cosmochimica Acta. 53: 229-236. DOI: 10.1016/0016-7037(89)90375-X  1
1988 Shea D, Helz GR. The solubility of copper in sulfidic waters: Sulfide and polysulfide complexes in equilibrium with covellite Geochimica Et Cosmochimica Acta. 52: 1815-1825. DOI: 10.1016/0016-7037(88)90005-1  1
1988 Dai J, Helz GR. Liquid chromatographic determination of nitrilotriacetic acid, ethylenediaminetetraacetic acid, and related aminopolycarboxylic acids using an amperometric detector Analytical Chemistry. 60: 301-305.  1
1987 Helz GR, Dai JH, Kijak PJ, Fendinger NJ, Radway JC. Processes controlling the composition of acid sulfate solutions evolved from coal Applied Geochemistry. 2: 427-436. DOI: 10.1016/0883-2927(87)90026-6  1
1987 Purdy CB, Mignerey AC, Helz GR, Drummond DD, Kubik PW, Elmore D, Hemmick T. 36Cl: A tracer in groundwater in the aquia formation of Southern Maryland Nuclear Inst. and Methods in Physics Research, B. 29: 372-375. DOI: 10.1016/0168-583X(87)90266-7  1
1987 Shea D, Helz GR. Kinetics of inhibited crystal growth: Precipitation of CuS from solutions containing chelated copper(II) Journal of Colloid and Interface Science. 116: 373-383. DOI: 10.1016/0021-9797(87)90133-0  1
1986 Helz GR, Sinex SA. Influence of infrequent floods on the trace metal composition of estuarine sediments Marine Chemistry. 20: 1-11. DOI: 10.1016/0304-4203(86)90062-9  1
1986 Dotson DA, Helz GR, Sugam R. Mineralization of organic matter and other chemical effects of chlorination Water Research. 20: 1031-1039. DOI: 10.1016/0043-1354(86)90046-1  1
1986 Kieber RJ, Helz GR. FIRST LOOK AT THE HYDROGEN PEROXIDE CONTENT OF ESTUARINE WATERS National Meeting - American Chemical Society, Division of Environmental Chemistry. 26: 198-201.  1
1986 Kijak PJ, Helz GR. ROLE OF GRAIN COATINGS ON LITHIC PARTICLES IN THE OXIDATION OF AQUEOUS S(IV) American Chemical Society, Division of Petroleum Chemistry, Preprints. 31: 581-582.  1
1986 Kijak PJ, Helz GR. The role of grain coatings on lithic particles in the oxidation of aqueous S(IV) Preprints Symposia. 31: 581-582.  1
1985 Helz GR, Uhler AD, Sugam R. Dechlorination and trihalomethane yields Bulletin of Environmental Contamination and Toxicology. 34: 497-503. PMID 3986387 DOI: 10.1007/BF01609766  1
1985 Jaworske DA, Helz GR. Use of a Rotating Ring Disc Electrode to Study Fast Bromine Demand Reactions International Journal of Environmental Analytical Chemistry. 19: 189-202. DOI: 10.1080/03067318508077029  1
1985 Helz GR, Sinex SA, Ferri KL, Nichols M. Processes controlling Fe, Mn and Zn in sediments of northern Chesapeake Bay Estuarine, Coastal and Shelf Science. 21: 1-16. DOI: 10.1016/0272-7714(85)90002-2  1
1985 Helz GR, Setlock GH, Cantillo AY, Moore WS. Processes controlling the regional distribution of 210Pb, 226Ra and anthropogenic zinc in estuarine sediments Earth and Planetary Science Letters. 76: 23-34. DOI: 10.1016/0012-821X(85)90145-1  1
1985 Jaworske DA, Helz GR. Rapid consumption of bromine oxidants in river and estuarine waters Environmental Science and Technology. 19: 1188-1191.  1
1985 Kearney MS, Ward LG, Cofta CM, Helz GR, Church TM. Sedimentology, geochronology, and trace metals in the Nanticoke and Choptank Rivers, and the Chesapeake Bay 1
1984 Uhler AD, Helz GR. Precipitation of PbS from solutions containing EDTA Journal of Crystal Growth. 66: 401-411. DOI: 10.1016/0022-0248(84)90223-9  1
1984 Uhler AD, Helz GR. Solubility product of galena at 298°K: A possible explanation for apparent supersaturation in nature Geochimica Et Cosmochimica Acta. 48: 1155-1160. DOI: 10.1016/0016-7037(84)90051-6  1
1984 Helz GR, Kosak Channing L. Dechlorination of wastewater and cooling water Environmental Science and Technology. 18.  1
1984 Helz GR, Sugam R, Sigleo AC. Chemical modifications of estuarine water by a power plant using continuous chlorination Environmental Science and Technology. 18: 192-199.  1
1984 Cantillo AY, Sinex SA, Helz GR. Elemental analysis of estuarine sediments by lithium metaborate fusion and direct current plasma emission spectrometry Analytical Chemistry. 56: 33-37.  1
1983 Sigleo AC, Hare PE, Helz GR. The amino acid composition of estuarine colloidal material Estuarine, Coastal and Shelf Science. 17: 87-96. DOI: 10.1016/0272-7714(83)90047-1  1
1983 Helz GR, Horzempa LM. EDTA as a kinetic inhibitor of copper(II) sulfide precipitation Water Research. 17: 167-172. DOI: 10.1016/0043-1354(83)90097-0  1
1983 Kosak-Channing LF, Helz GR. Solubility of ozone in aqueous solutions of 0-0.6 M ionic strength at 5-30°C Environmental Science and Technology. 17: 145-149.  1
1982 Sigleo AC, Hoering TC, Helz GR. Composition of estuarine colloidal material: organic components Geochimica Et Cosmochimica Acta. 46: 1619-1626. DOI: 10.1016/0016-7037(82)90318-0  1
1982 Sinex SA, Helz GR. Entrapment of zinc and other trace elements in a rapidly flushed industrialized harbor Environmental Science and Technology. 16: 820-825.  1
1982 Helz GR, Uhler AD. Organic kinetics of sulfide precipitation Estudios Geologicos. 38: 273-277.  1
1981 Sugam R, Helz GR. Chlorine speciation in seawater; a metastable equilibrium model for ClI and BrI species Chemosphere. 10: 41-57. DOI: 10.1016/0045-6535(81)90158-2  1
1981 Richardson LB, Burton DT, Helz GR, Rhoderick JC. Residual oxidant decay and bromate formation in chlorinated and ozonated sea-water Water Research. 15: 1067-1074. DOI: 10.1016/0043-1354(81)90074-9  1
1981 Sigleo AC, Helz GR. Composition of estuarine colloidal material: major and trace elements Geochimica Et Cosmochimica Acta. 45: 2501-2509. DOI: 10.1016/0016-7037(81)90101-0  1
1981 Sinex SA, Helz GR. Regional geochemistry of trace elements in Chesapeake Bay sediments Environmental Geology. 3: 315-323. DOI: 10.1007/BF02473521  1
1980 Sigleo AC, Helz GR, Zoller WH. Organic-rich colloidal material in estuaries and its alteration by chlorination Environmental Science and Technology. 14: 673-679.  1
1979 Kosak-Channing L, Helz GR. Ozone Reactivity With Seawater Components Ozone: Science &Amp; Engineering. 1: 39-46. DOI: 10.1080/01919517908550830  1
1979 Stewart ME, Blogoslawski WJ, Hsu RY, Helz GR. By-products of oxidative biocides: Toxicity to oyster larvae Marine Pollution Bulletin. 10: 166-169. DOI: 10.1016/0025-326X(79)90423-5  1
1979 Helz GR, Wyllie PJ. Liquidus relationships in the system CaCO3Ca(OH)2CaS and the solubility of sulfur in carbonatite magmas Geochimica Et Cosmochimica Acta. 43: 259-265. DOI: 10.1016/0016-7037(79)90244-8  1
1979 Horzempa LM, Helz GR. Controls on the stability of sulfide sols: Colloidal covellite as an example Geochimica Et Cosmochimica Acta. 43: 1645-1650. DOI: 10.1016/0016-7037(79)90183-2  1
1978 Herr FL, Helz GR. On the possibility of bisulfide ion-pairs in natural brines and hydrothermal solutions Economic Geology. 73: 73-81. DOI: 10.2113/gsecongeo.73.1.73  1
1978 Helz GR, Hsu RY. Volatile chloro- and bromocarbons in coastal waters Limnology and Oceanography. 23: 858-869.  1
1977 Sugam R, Helz GR. Speciation of chlorine produced oxidants in marine waters: Theoretical aspects Chesapeake Science. 18: 113-115. DOI: 10.2307/1350376  1
1977 Block RM, Helz GR, Davis WP. The fate and effects of chlorine in coastal waters: Summary and recommendations Chesapeake Science. 18: 97-101. DOI: 10.2307/1350373  1
1976 Helz GR. Trace element inventory for the northern Chesapeake Bay with emphasis on the influence of man Geochimica Et Cosmochimica Acta. 40: 573-580. DOI: 10.1016/0016-7037(76)90102-2  1
1976 Herr FL, Helz GR. Measurement of the activity coefficient of aqueous NaHS to 80°C and 0.2 m in the system NaHS-H2S-H2O Journal of Solution Chemistry. 5: 833-852. DOI: 10.1007/BF01167238  1
1976 Sugam R, Helz GR. Apparent ionization constant of hypochlorous acid in seawater Environmental Science and Technology. 10: 384-386.  1
1975 Bailey SM, Helz GR, Harris RL. Investigation of the transport of metals and orthophosphate away from a sewage treatment plant outfall Environmental Letters. 10: 159-169. DOI: 10.1080/00139307509435817  1
1975 Helz GR, Huggett RJ, Hill JM. Behavior of Mn, Fe, Cu, Zn, Cd and Pb discharged from a wastewater treatment plant into an estuarine environment Water Research. 9: 631-636. DOI: 10.1016/0043-1354(75)90168-2  1
1974 Helz GR, Sinex SA. Chemical equilibria in the thermal spring waters of Virginia Geochimica Et Cosmochimica Acta. 38: 1807-1820. DOI: 10.1016/0016-7037(74)90164-1  1
1973 Hill JM, Helz GR. Copper And Zinc In Estuarine Waters Near A Coal-Fired Electric Power Plant Correlation With Oyster Greening Environmental Letters. 5: 165-174. DOI: 10.1080/00139307309435523  1
1973 Hill JM, Helz GR. Copper and zinc in estuarine waters near a coal fired electric power plant: correlation with oyster greening Environm.Lett.. 5: 165-174.  1
1965 Helz GR, Holland HD. The solubility and geologic occurrence of strontianite Geochimica Et Cosmochimica Acta. 29: 1303-1315.  1
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