N.P. Qafoku: search on Z-Library

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1

[Advances in Agronomy] Volume 131 || Climate-Change Effects on Soils: Accelerated Weathering, Soil Carbon, and Elemental Cycling

Qafoku, Nikolla P.

Year:

2015

Language:

english

File:

PDF, 1.32 MB

english, 2015

2

[Advances in Agronomy] Advances in Agronomy Volume 84 Volume 84 || Variable Charge Soils: Their Mineralogy, Chemistry and Management

Qafoku, Nikolla P.

Year:

2004

Language:

english

File:

PDF, 843 KB

english, 2004

3

Mineralogy and chemistry of some variable charge subsoils

Qafoku, Nikolla P., Sumner, Malcolm E., West, Larry T.

Journal:

Communications in Soil Science and Plant Analysis

Year:

2000

Language:

english

File:

PDF, 1.00 MB

english, 2000

4

Iron oxide waste form for stabilizing 99Tc

Wooyong Um, Hyunshik Chang, Jonathan P. Icenhower, Wayne W. Lukens, R. Jeffrey Serne, Nik Qafoku, Ravi K. Kukkadapu, Joseph H. Westsik Jr.

Journal:

Journal of Nuclear Materials

Year:

2012

Language:

english

File:

PDF, 820 KB

english, 2012

5

Transport-controlled kinetics of dissolution and precipitation in the sediments under alkaline and saline conditions

Nikolla P. Qafoku, Calvin C. Ainsworth, James E. Szecsody, Odeta S. Qafoku

Journal:

Geochimica et Cosmochimica Acta

Year:

2004

Language:

english

File:

PDF, 1.08 MB

english, 2004

6

Reaction of water-saturated supercritical CO2 with forsterite: Evidence for magnesite formation at low temperatures

Andrew R. Felmy, Odeta Qafoku, Bruce W. Arey, Jian Zhi Hu, Mary Hu, H. Todd Schaef, Eugene S. Ilton, Nancy J. Hess, Carolyn I. Pearce, Ju Feng, Kevin M. Rosso

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.25 MB

english, 2012

7

Formation of submicron magnesite during reaction of natural forsterite in H2O-saturated supercritical CO2

Qafoku, Odeta, Hu, Jianzhi, Hess, Nancy J., Hu, Mary Y., Ilton, Eugene S., Feng, Ju, Arey, Bruce W., Felmy, Andrew R.

Journal:

Geochimica et Cosmochimica Acta

Year:

2014

Language:

english

File:

PDF, 1.88 MB

english, 2014

8

Influence of acidic and alkaline waste solution properties on uranium migration in subsurface sediments

Szecsody, Jim E., Truex, Mike J., Qafoku, Nikolla P., Wellman, Dawn M., Resch, Tom, Zhong, Lirong

Journal:

Journal of Contaminant Hydrology

Year:

2013

Language:

english

File:

PDF, 1.89 MB

english, 2013

9

Uranium in Framboidal Pyrite from a Naturally Bioreduced Alluvial Sediment

Qafoku, Nikolla P., Kukkadapu, Ravi K., McKinley, James P., Arey, Bruce W., Kelly, Shelly D., Wang, Chongmin, Resch, Charles T., Long, Philip E.

Journal:

Environmental Science & Technology

Year:

2009

Language:

english

File:

PDF, 2.63 MB

english, 2009

10

[Advances in Agronomy] Volume 107 || Terrestrial Nanoparticles and Their Controls on Soil-/Geo-Processes and Reactions

Qafoku, Nikolla P.

Year:

2010

Language:

english

File:

PDF, 2.41 MB

english, 2010

11

The biogeochemistry of technetium: A review of the behavior of an artificial element in the natural environment

Icenhower, J. P., Qafoku, N. P., Zachara, J. M., Martin, W. J.

Journal:

American Journal of Science

Year:

2010

Language:

english

File:

PDF, 1.65 MB

english, 2010

12

Field Validation of Supercritical CO 2 Reactivity with Basalts

McGrail, B. Peter, Schaef, Herbert T., Spane, Frank A., Cliff, John B., Qafoku, Odeta, Horner, Jake A., Thompson, Christopher J., Owen, Antoinette T., Sullivan, Charlotte E.

Journal:

Environmental Science & Technology Letters

Year:

2016

Language:

english

File:

PDF, 2.74 MB

english, 2016

13

Getters for improved technetium containment in cementitious waste forms

Asmussen, R. Matthew, Pearce, Carolyn I., Miller, Brian W., Lawter, Amanda R., Neeway, James J., Lukens, Wayne W., Bowden, Mark E., Miller, Micah A., Buck, Edgar C., Serne, R. Jeffery, Qafoku, Nikolla

Journal:

Journal of Hazardous Materials

Year:

2018

Language:

english

File:

PDF, 2.27 MB

english, 2018

14

Wallula Basalt Pilot Demonstration Project: Post-injection Results and Conclusions

McGrail, B.P., Schaef, H.T., Spane, F.A., Horner, J.A., Owen, A.T., Cliff, J.B., Qafoku, O., Thompson, C.J., Sullivan, E.C.

Journal:

Energy Procedia

Year:

2017

Language:

english

File:

PDF, 1.26 MB

english, 2017

15

Technetium stabilization in low solubility sulfide phases: A review

Pearce, Carolyn I., Icenhower, Jonathan P, Asmussen, R. Matthew, Tratnyek, Paul G., Rosso, Kevin M., Lukens, Wayne W., Qafoku, Nikolla P.

Journal:

ACS Earth and Space Chemistry

Year:

2018

Language:

english

File:

PDF, 2.21 MB

english, 2018

16

Characterizing technetium in subsurface sediments for contaminant remediation

Pearce, Carolyn I., Serne, R. Jeffrey, Saslow, Sarah A., Um, Wooyong, Asmussen, R. Matthew, Miller, Micah D., Qafoku, Odeta, Snyder, Michelle M.V., Resch, Charles Tom, Johnson, Kayla C., Wang, Guohui,

Journal:

ACS Earth and Space Chemistry

Year:

2018

Language:

english

File:

PDF, 3.41 MB

english, 2018

17

Natural, incidental, and engineered nanomaterials and their impacts on the Earth system

Hochella, Michael F., Mogk, David W., Ranville, James, Allen, Irving C., Luther, George W., Marr, Linsey C., McGrail, B. Peter, Murayama, Mitsu, Qafoku, Nikolla P., Rosso, Kevin M., Sahai, Nita, Schro

Journal:

Year:

2019

Language:

english

File:

PDF, 859 KB

english, 2019

18

Technetium immobilization by materials through sorption and redox-driven processes: A literature review

Pearce, Carolyn I., Moore, Robert C., Morad, Joseph W., Asmussen, R. Matthew, Chatterjee, Sayandev, Lawter, Amanda R., Levitskaia, Tatiana G., Neeway, James J., Qafoku, Nikolla P., Rigali, Mark J., Sa

Journal:

Science of The Total Environment

Year:

2019

Language:

english

File:

PDF, 2.86 MB

english, 2019

19

Current Understanding of the Use of Alkaline Extractions of Soils to Investigate Soil Organic Matter and Environmental Processes

Ohno, Tsutomu, Hess, Nancy J., Qafoku, Nikolla P.

Journal:

Journal of Environment Quality

Year:

2019

Language:

english

File:

PDF, 441 KB

english, 2019

20

Current Understanding of the Use of Alkaline Extractions of Soils to Investigate Soil Organic Matter and Environmental Processes

Ohno, Tsutomu, Hess, Nancy J., Qafoku, Nikolla P.

Journal:

Journal of Environment Quality

Year:

2019

File:

PDF, 441 KB

2019

21

Phyllosilicate mineral dissolution upon alkaline treatment under aerobic and anaerobic conditions

Di Pietro, Silvina A., Emerson, Hilary P., Katsenovich, Yelena, Qafoku, Nikolla P., Szecsody, Jim E.

Journal:

Applied Clay Science

Year:

2020

File:

PDF, 1.71 MB

2020

22

Development of Accurate Chemical Equilibrium Models for Oxalate Species to High Ionic Strength in the System: Na—Ba—Ca—Mn—Sr—Cl—NO3—PO4—SO4—H2O at 25 °C

Odeta Qafoku, Andrew R. Felmy

Journal:

Journal of Solution Chemistry

Year:

2007

Language:

english

File:

PDF, 434 KB

english, 2007

23

A Potentiometric, Spectrophotometric and Pitzer Ion-Interaction Study of Reaction Equilibria in the Aqueous H+-Al3+, H+-Oxalate and H+-Al3+-Oxalate Systems up to 5 mol⋅dm−3NaCl

Jean-François Boily, Odeta Qafoku, Andrew R. Felmy

Journal:

Journal of Solution Chemistry

Year:

2007

Language:

english

File:

PDF, 1.01 MB

english, 2007

24

Thermodynamic Model for the Solubility of TcO2⋅xH2O in Aqueous Oxalate Systems

Nancy J. Hess, Odeta Qafoku, Yuanxian Xia, Dean A. Moore, Andrew R. Felmy

Journal:

Journal of Solution Chemistry

Year:

2008

Language:

english

File:

PDF, 884 KB

english, 2008

25

Interactions of aqueous U(VI) with soil minerals in slightly alkaline natural systems

Nikolla P. Qafoku, Jonathan P. Icenhower

Journal:

Reviews in Environmental Science and Bio/Technology

Year:

2008

Language:

english

File:

PDF, 440 KB

english, 2008

26

Chemical weathering of new pyroclastic deposits from Mt. Merapi (Java), Indonesia

Dian Fiantis, Malik Nelson, Eric Van Ranst, Jusop Shamshuddin, Nikolla P. Qafoku

Journal:

Journal of Mountain Science

Year:

2009

Language:

english

File:

PDF, 1.06 MB

english, 2009

27

Ion Transport Dynamics in Acid Variable Charge Subsoils

Nikolla P. Qafoku, Malcolm E. Sumner, Mitsuru Toma

Journal:

Soil Science & Plant Nutrition

Year:

2005

Language:

english

File:

PDF, 261 KB

english, 2005

28

Arsenate Displacement from Fly Ash in Amended Soils

Nikolla P. Qafoku, Urszula Kukier, Malcolm E. Sumner, William P. Miller, David E. Radcliffe

Journal:

Water, Air & Soil Pollution

Year:

1999

Language:

english

File:

PDF, 120 KB

english, 1999

29

An Aqueous Thermodynamic Model for the Complexation of Nickel with EDTA Valid to High Base Concentration

Andrew R. Felmy, Odeta Qafoku

Journal:

Journal of Solution Chemistry

Year:

2004

Language:

english

File:

PDF, 155 KB

english, 2004

30

The Effect of pH and Time on the Extractability and Speciation of Uranium(VI) Sorbed to SiO 2

Ilton, Eugene S., Wang, Zheming, Boily, Jean-François, Qafoku, Odeta, Rosso, Kevin M., Smith, Steven C.

Journal:

Environmental Science & Technology

Year:

2012

Language:

english

File:

PDF, 364 KB

english, 2012

31

Chromium transport in an acidic waste contaminated subsurface medium: The role of reduction

Nikolla P. Qafoku, P. Evan Dresel, Eugene Ilton, James P. McKinley, Charles T. Resch

Journal:

Year:

2010

Language:

english

File:

PDF, 1.25 MB

english, 2010

32

Geochemical, mineralogical and microbiological characteristics of sediment from a naturally reduced zone in a uranium-contaminated aquifer

K.M. Campbell, R.K. Kukkadapu, N.P. Qafoku, A.D. Peacock, E. Lesher, K.H. Williams, J.R. Bargar, M.J. Wilkins, L. Figueroa, J. Ranville, J.A. Davis, P.E. Long

Journal:

Applied Geochemistry

Year:

2012

Language:

english

File:

PDF, 622 KB

english, 2012

33

Cancrinite and sodalite formation in the presence of cesium, potassium, magnesium, calcium and strontium in Hanford tank waste simulants

Youjun Deng, Markus Flury, James B. Harsh, Andrew R. Felmy, Odeta Qafoku

Journal:

Applied Geochemistry

Year:

2006

Language:

english

File:

PDF, 2.14 MB

english, 2006

34

Fe-solid phase transformations under highly basic conditions

Nikolla P. Qafoku, Odeta Qafoku, Calvin C. Ainsworth, Alice Dohnalkova, Susan G. McKinley

Journal:

Applied Geochemistry

Year:

2007

Language:

english

File:

PDF, 1.51 MB

english, 2007

35

Physical control on CCl4 and CHCl3 desorption from artificially contaminated and aged sediments with supercritical carbon dioxide

Nikolla P. Qafoku, Lirong Zhong, Christopher J. Thompson, Chongxuan Liu, Bruce W. Arey, Alex Mitroshkov, Robert G. Riley

Journal:

Year:

2009

Language:

english

File:

PDF, 503 KB

english, 2009

36

Dissolution of uranyl microprecipitates in subsurface sediments at Hanford Site, USA

Chongxuan Liu, John M. Zachara, Odeta Qafoku, James P. McKinley, Steve M. Heald, Zheming Wang

Journal:

Geochimica et Cosmochimica Acta

Year:

2004

Language:

english

File:

PDF, 502 KB

english, 2004

37

Fluorescence spectroscopy of U(VI)-silicates and U(VI)-contaminated Hanford sediment

Zheming Wang, John M. Zachara, Paul L. Gassman, Chongxuan Liu, Odeta Qafoku, Wassana Yantasee, Jeff G. Catalano

Journal:

Geochimica et Cosmochimica Acta

Year:

2005

Language:

english

File:

PDF, 605 KB

english, 2005

38

Tc(VII) reduction kinetics by titanomagnetite (Fe3−xTixO4) nanoparticles

J. Liu, C.I. Pearce, O. Qafoku, E. Arenholz, S.M. Heald, K.M. Rosso

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.00 MB

english, 2012

39

Mineralogy of a perudic Andosol in central Java, Indonesia

E. Van Ranst, S.R. Utami, A. Verdoodt, N.P. Qafoku

Journal:

Year:

2008

Language:

english

File:

PDF, 522 KB

english, 2008

40

Chromium speciation and mobility in a high level nuclear waste vadose zone plume

John M. Zachara, Calvin C. Ainsworth, Gordon E. Brown Jr., Jeffrey G. Catalano, James P. McKinley, Odeta Qafoku, Steven C. Smith, James E. Szecsody, Sam J. Traina, Jeffrey A. Warner

Journal:

Geochimica et Cosmochimica Acta

Year:

2004

Language:

english

File:

PDF, 669 KB

english, 2004

41

CO 2 Sorption to Subsingle Hydration Layer Montmorillonite Clay Studied by Excess Sorption and Neutron Diffraction Measurements

Rother, Gernot, Ilton, Eugene S., Wallacher, Dirk, Hauβ, Thomas, Schaef, Herbert T., Qafoku, Odeta, Rosso, Kevin M., Felmy, Andrew R., Krukowski, Elizabeth G., Stack, Andrew G., Grimm, Nico, Bodnar, R

Journal:

Environmental Science & Technology

Year:

2013

Language:

english

File:

PDF, 995 KB

english, 2013

42

Kinetic Desorption and Sorption of U(VI) during Reactive Transport in a Contaminated Hanford Sediment

Qafoku, Nikolla P., Zachara, John M., Liu, Chongxuan, Gassman, Paul L., Qafoku, Odeta S., Smith, Steven C.

Journal:

Environmental Science & Technology

Year:

2005

Language:

english

File:

PDF, 450 KB

english, 2005

43

Fayalite dissolution and siderite formation in water-saturated supercritical CO2

Odeta Qafoku, Libor Kovarik, Ravi K. Kukkadapu, Eugene S. Ilton, Bruce W. Arey, Jiri Tucek, Andrew R. Felmy

Journal:

Chemical Geology

Year:

2012

Language:

english

File:

PDF, 2.95 MB

english, 2012

44

In situ XRD study of Ca2+ saturated montmorillonite (STX-1) exposed to anhydrous and wet supercritical carbon dioxide

H.T. Schaef, E.S. Ilton, O. Qafoku, P.F. Martin, A.R. Felmy, K.M. Rosso

Journal:

International Journal of Greenhouse Gas Control

Year:

2012

Language:

english

File:

PDF, 1.36 MB

english, 2012

45

Synthesis and properties of titanomagnetite (Fe3−xTixO4) nanoparticles: A tunable solid-state Fe(II/III) redox system

Pearce, C.I., Qafoku, O., Liu, J., Arenholz, E., Heald, S.M., Kukkadapu, R.K., Gorski, C.A., Henderson, C.M.B., Rosso, K.M.

Journal:

Journal of Colloid and Interface Science

Year:

2012

Language:

english

File:

PDF, 2.42 MB

english, 2012

46

Scale-dependent desorption of uranium from contaminated subsurface sediments

Liu, Chongxuan, Zachara, John M., Qafoku, Nikolla P., Wang, Zheming

Journal:

Water Resources Research

Year:

2008

Language:

english

File:

PDF, 1.53 MB

english, 2008

47

Response to Comment on “Geochemical Implications of Gas Leakage associated with Geologic CO 2 Storage—A Qualitative Review”

Harvey, Omar R., Qafoku, Nikolla P., Cantrell, Kirk J., Lee, Giehyeon, Amonette, James E., Brown, Christopher F.

Journal:

Environmental Science & Technology

Year:

2013

Language:

english

File:

PDF, 198 KB

english, 2013

48

In Situ X-ray Diffraction Study of Na + Saturated Montmorillonite Exposed to Variably Wet Super Critical CO 2

Ilton, Eugene S., Schaef, H. Todd, Qafoku, Odeta, Rosso, Kevin M., Felmy, Andrew R.

Journal:

Environmental Science & Technology

Year:

2012

Language:

english

File:

PDF, 2.00 MB

english, 2012

49

Characterization of natural titanomagnetites (Fe3−xTixO4) for studying heterogeneous electron transfer to Tc(VII) in the Hanford subsurface

Pearce, C.I., Liu, J., Baer, D.R., Qafoku, O., Heald, S.M., Arenholz, E., Grosz, A.E., McKinley, J.P., Resch, C.T., Bowden, M.E., Engelhard, M.H., Rosso, K.M.

Journal:

Geochimica et Cosmochimica Acta

Year:

2014

Language:

english

File:

PDF, 2.14 MB

english, 2014

50

Anion Transport through Columns of Highly Weathered Acid Soil: Adsorption and Retardation

Bellini, Giampaola, Sumner, Malcolm E., Radcliffe, David E., Qafoku, Nikolla P.

Journal:

Soil Science Society of America Journal

Year:

1996

Language:

english

File:

PDF, 228 KB

english, 1996

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