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1

Detection of Sewage Organic Chlorination Products That Are Resistant to Dechlorination with Sulfite

MacCrehan, William A., Jensen, James S., Helz, George R.

Journal:

Environmental Science & Technology

Year:

1998

Language:

english

File:

PDF, 125 KB

english, 1998

2

Reequilibration of chromite within Kilauea Iki lava lake, Hawaii

P. A. H. Scowen, P. L. Roeder, R. T. Helz

Journal:

Contributions to Mineralogy and Petrology

Year:

1991

Language:

english

File:

PDF, 1.48 MB

english, 1991

3

Investigation of magnesium isotope fractionation during basalt differentiation: Implications for a chondritic composition of the terrestrial mantle

Fang-Zhen Teng, Meenakshi Wadhwa, Rosalind T. Helz

Journal:

Earth and Planetary Science Letters

Year:

2007

Language:

english

File:

PDF, 384 KB

english, 2007

4

No measurable calcium isotopic fractionation during crystallization of Kilauea Iki lava lake

Zhang, Hongming, Wang, Yang, He, Yongsheng, Teng, Fang-Zhen, Jacobsen, Stein B., Helz, Rosalind T., Marsh, Bruce D., Huang, Shichun

Journal:

Geochemistry, Geophysics, Geosystems

Year:

2018

Language:

english

File:

PDF, 900 KB

english, 2018

5

Titanium isotopic fractionation during magmatic differentiation

Zhao, Xinmiao, Tang, Suohan, Li, Jin, Wang, Hui, Helz, Roz, Marsh, Bruce, Zhu, Xiangkun, Zhang, Hongfu

Journal:

Contributions to Mineralogy and Petrology

Year:

2020

File:

PDF, 942 KB

2020

6

Geothermometry of Kilauea Iki lava lake, Hawaii

Rosalind Tuthill Helz, Carl R. Thornber

Journal:

Bulletin of Volcanology

Year:

1987

Language:

english

File:

PDF, 1.55 MB

english, 1987

7

Solubility of cinnabar (red HgS) and implications for mercury speciation in sulfidic waters

K. Paquette, G. Helz

Journal:

Water, Air & Soil Pollution

Year:

1995

Language:

english

File:

PDF, 251 KB

english, 1995

8

Regional geochemistry of trace elements in Chesapeake Bay sediments

S. A. Sinex, G. R. Helz

Journal:

Environmental Geology

Year:

1981

Language:

english

File:

PDF, 1.07 MB

english, 1981

9

Crystallization history of Kilauea Iki lava lake as seen in drill core recovered in 1967–1979

Journal:

Bulletin of Volcanology

Year:

1980

Language:

english

File:

PDF, 2.76 MB

english, 1980

10

The character of long-term eruptions: inferences from episodes 50–53 of the Pu'u 'Ō'ō-Kūpaianaha eruption of Kīlauea Volcano

C. C. Heliker, M. T. Mangan, T. N. Mattox, J. P. Kauahikaua, R. T. Helz

Journal:

Bulletin of Volcanology

Year:

1998

Language:

english

File:

PDF, 1.25 MB

english, 1998

11

Processes active in mafic magma chambers: The example of Kilauea Iki Lava Lake, Hawaii

Rosalind Tuthill Helz

Journal:

Year:

2009

Language:

english

File:

PDF, 1.41 MB

english, 2009

12

Thermodynamic model for arsenic speciation in sulfidic waters: A novel use of ab initio computations

G.R. Helz, J.A. Tossell

Journal:

Geochimica et Cosmochimica Acta

Year:

2008

Language:

english

File:

PDF, 259 KB

english, 2008

13

Making chlorine greener: investigation of alternatives to sulfite for dechlorination

Mary Bedner, William A MacCrehan, George R Helz

Journal:

Year:

2004

Language:

english

File:

PDF, 258 KB

english, 2004

14

Differentiation and magma mixing on Kilauea's east rift zone: a further look at the eruptions of 1955 and 1960. Part II. The 1960 lavas

T. L. Wright, R. T. Helz

Journal:

Bulletin of Volcanology

Year:

1996

Language:

english

File:

PDF, 686 KB

english, 1996

15

The 1977 eruption of Kilauea volcano, Hawaii

Moore, Richard B., Helz, Rosalind T., Dzurisin, Daniel, Eaton, Gordon P., Koyanagi, Robert Y., Lipman, Peter W., Lockwood, John P., Puniwai, Gary S.

Journal:

Journal of Volcanology and Geothermal Research

Year:

1980

Language:

english

File:

PDF, 2.61 MB

english, 1980

16

Trace Element Profiles in Sediments as Proxies of Dead Zone History; Rhenium Compared to Molybdenum

Helz, George R., Adelson, Jordan M.

Journal:

Environmental Science & Technology

Year:

2013

Language:

english

File:

PDF, 1.74 MB

english, 2013

17

Processes controlling the composition of acid sulfate solutions evolved from coal

Helz, G.R., Dai, J.H., Kijak, P.J., Fendinger, N.J., Radway, J.C.

Journal:

Applied Geochemistry

Year:

1987

Language:

english

File:

PDF, 914 KB

english, 1987

18

Iron Isotope Fractionation During Magmatic Differentiation in Kilauea Iki Lava Lake

Teng, F.-Z., Dauphas, N., Helz, R. T.

Journal:

Year:

2008

Language:

english

File:

PDF, 310 KB

english, 2008

19

Incompleteness of Wastewater Dechlorination

Helz, George R., Nweke, Anthony C.

Journal:

Environmental Science & Technology

Year:

1995

Language:

english

File:

PDF, 1.83 MB

english, 1995

20

Vanadium isotope fractionation during differentiation of Kilauea Iki lava lake, Hawaii

Ding, Xin, Helz, Rosalind T., Qi, Yuhan, Huang, Fang

Journal:

Geochimica et Cosmochimica Acta

Year:

2020

File:

PDF, 1.33 MB

2020

21

Voltammetric Behavior of MoS and SbS as Possible Components of “Dissolved Sulfide” in Oxic Natural Waters

Irena Ciglenečki, George R. Helz

Journal:

Electroanalysis

Year:

2003

Language:

english

File:

PDF, 398 KB

english, 2003

22

Characterization of Iron Sulfide Species in Model Solutions by Cyclic Voltammetry. Revisiting an Old Problem

E. Bura-Nakić, D. Krznarić, G. R. Helz, I. Ciglenečki

Journal:

Electroanalysis

Year:

2011

Language:

english

File:

PDF, 230 KB

english, 2011

23

Extraordinary stability of copper(I)–tetrathiomolybdate complexes: Possible implications for aquatic ecosystems

George R. Helz, Britt E. Erickson

Journal:

Environmental Toxicology and Chemistry

Year:

2011

Language:

english

File:

PDF, 125 KB

english, 2011

24

Organic chloramines in disinfected wastewaters: Rates of reduction by sulfite and toxicity

Rubina H. Jameel, George R. Helz

Journal:

Environmental Toxicology and Chemistry

Year:

1999

Language:

english

File:

PDF, 120 KB

english, 1999

25

Kinetics of inhibited crystal growth: Precipitation of CuS from solutions containing chelated copper(II)

D Shea, G.R Helz

Journal:

Journal of Colloid and Interface Science

Year:

1987

Language:

english

File:

PDF, 719 KB

english, 1987

26

Precipitation of PbS from solutions containing EDTA

Allen D. Uhler, George R. Helz

Journal:

Journal of Crystal Growth

Year:

1984

Language:

english

File:

PDF, 892 KB

english, 1984

27

Voltammetric characterization of metal sulfide particles and nanoparticles in model solutions and natural waters

Elvira Bura-Nakić, Damir Krznarić, Darija Jurašin, George R. Helz, Irena Ciglenečki

Journal:

Analytica Chimica Acta

Year:

2007

Language:

english

File:

PDF, 269 KB

english, 2007

28

Erratum to “Voltammetric characterization of metal sulfide particles and nanoparticles in model solutions and natural waters” [Anal. Chim. Acta 594 (2007) 44–51]

Elvira Bura-Nakić, Damir Krznarić, Darija Jurašin, George R. Helz, Irena Ciglenečki

Journal:

Analytica Chimica Acta

Year:

2007

Language:

english

File:

PDF, 116 KB

english, 2007

29

Prospect of determining copper sulfide nanoparticles by voltammetry: A potential artifact in supersaturated solutions

Damir Krznarić, George R. Helz, Irena Ciglenečki

Journal:

Journal of Electroanalytical Chemistry

Year:

2006

Language:

english

File:

PDF, 329 KB

english, 2006

30

Differentiation and magma mixing on Kilauea's east rift zone

Rosalind Tuthill Helz, Thomas L Wright

Journal:

Bulletin of Volcanology

Year:

1992

Language:

english

File:

PDF, 4.01 MB

english, 1992

31

Measurement of the activity coefficient of aqueous NaHS to 80°C and 0.2min the system NaHS−H2S−H2O

F. L. Herr, G. R. Helz

Journal:

Journal of Solution Chemistry

Year:

1976

Language:

english

File:

PDF, 1.01 MB

english, 1976

32

Influence of infrequent floods on the trace metal composition of estuarine sediments

George R. Helz, Scott A. Sinex

Journal:

Marine Chemistry

Year:

1986

Language:

english

File:

PDF, 637 KB

english, 1986

33

VISCOSITY STUDIES OF DICKITE SUSPENSIONS

Journal:

Journal of the American Ceramic Society

Year:

1939

Language:

english

File:

PDF, 1.14 MB

english, 1939

34

Temporal and Seasonal Variations of Hydrogen Peroxide Levels in Estuarine Waters

Robert J. Kieber, George R. Helz

Journal:

Estuarine, Coastal and Shelf Science

Year:

1995

Language:

english

File:

PDF, 124 KB

english, 1995

35

Dechlorination and trihalomethane yields

G. R. Helz, A. D. Uhler, R. Sugam

Journal:

Bulletin of Environmental Contamination and Toxicology

Year:

1985

Language:

english

File:

PDF, 346 KB

english, 1985

36

36Cl: A tracer in groundwater in the aquia formation of Southern Maryland

Caroline B. Purdy, Alice C. Mignerey, George R. Helz, David D. Drummond, Peter W. Kubik, David Elmore, Thomas Hemmick

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

1987

Language:

english

File:

PDF, 382 KB

english, 1987

37

Modern chlorine-36 deposition in southern Maryland, U.S.A.

L.J. Hainsworth, A.C. Mignerey, G.R. Helz, P. Sharma, P.W. Kubik

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

1994

Language:

english

File:

PDF, 468 KB

english, 1994

38

Sediment profiles of less commonly determined elements measured by Laser Ablation ICP-MS

Marvourneen K. Dolor, George R. Helz, William F. McDonough

Journal:

Marine Pollution Bulletin

Year:

2009

Language:

english

File:

PDF, 1.18 MB

english, 2009

39

Computer Analysis of Photographed Optical Emission Spectra

Helz, A. W., Walthall, F. G., Berman, Sol

Journal:

Applied Spectroscopy

Year:

1969

Language:

english

File:

PDF, 1.30 MB

english, 1969

40

Processes controlling the regional distribution of210Pb,226Ra and anthropogenic zinc in estuarine sediments

George R. Helz, George H. Setlock, Adriana Y. Cantillo, Willard S. Moore

Journal:

Earth and Planetary Science Letters

Year:

1985

Language:

english

File:

PDF, 1.06 MB

english, 1985

41

Mechanism of molybdenum removal from the sea and its concentration in black shales: EXAFS evidence

G.R. Helz, C.V. Miller, J.M. Charnock, J.F.W. Mosselmans, R.A.D. Pattrick, C.D. Garner, D.J. Vaughan

Journal:

Geochimica et Cosmochimica Acta

Year:

1996

Language:

english

File:

PDF, 1.34 MB

english, 1996

42

Igneous petrology: by Charles J. Hughes. Developments in Petrology, 7, Elsevier, Amsterdam, 1982, xvi + 552 pp., US $32.50, Dfl. 70.00 (clothbound)

Journal:

Journal of Volcanology and Geothermal Research

Year:

1985

Language:

english

File:

PDF, 122 KB

english, 1985

43

Evidence for dissolved polymeric mercury(II)-sulfur complexes?

Anthony M.T. Bell, John M. Charnock, George R. Helz, Alistair R. Lennie, Francis R. Livens, J. Frederick W. Mosselmans, Richard A.D. Pattrick, David J. Vaughan

Journal:

Chemical Geology

Year:

2007

Language:

english

File:

PDF, 410 KB

english, 2007

44

Fractionation of the platinum-group elments and Re during crystallization of basalt in Kilauea Iki Lava Lake, Hawaii

Lynnette Pitcher, Rosalind T. Helz, Richard J. Walker, Philip Piccoli

Journal:

Chemical Geology

Year:

2009

Language:

english

File:

PDF, 1.30 MB

english, 2009

45

Molybdenum isotope, multiple sulfur isotope, and redox-sensitive element behavior in early Pleistocene Mediterranean sapropels

K. Scheiderich, A.L. Zerkle, G.R. Helz, J. Farquhar, R.J. Walker

Journal:

Chemical Geology

Year:

2010

Language:

english

File:

PDF, 703 KB

english, 2010

46

New model for molybdenum behavior in euxinic waters

George R. Helz, Elvira Bura-Nakić, Nevenka Mikac, Irena Ciglenečki

Journal:

Chemical Geology

Year:

2011

Language:

english

File:

PDF, 910 KB

english, 2011

47

What regulates rhenium deposition in euxinic basins?

George R. Helz, Marvourneen K. Dolor

Journal:

Chemical Geology

Year:

2012

Language:

english

File:

PDF, 1.62 MB

english, 2012

48

Making chlorine greener: Performance of alternative dechlorination agents in wastewater

William A. MacCrehan, Mary Bedner, George R. Helz

Journal:

Year:

2005

Language:

english

File:

PDF, 814 KB

english, 2005

49

Century-long record of Mo isotopic composition in sediments of a seasonally anoxic estuary (Chesapeake Bay)

K. Scheiderich, G.R. Helz, R.J. Walker

Journal:

Earth and Planetary Science Letters

Year:

2010

Language:

english

File:

PDF, 859 KB

english, 2010

50

Diffusion-driven magnesium and iron isotope fractionation in Hawaiian olivine

Fang-Zhen Teng, Nicolas Dauphas, Rosalind T. Helz, Shan Gao, Shichun Huang

Journal:

Earth and Planetary Science Letters

Year:

2011

Language:

english

File:

PDF, 382 KB

english, 2011