Quantification of rapid environmental redox processes with quick-scanning x-ray absorption spectroscopy (Q-XAS)

Proceedings of the National Academy of Sciences of the United States of America

Volumn 106, Issue 38, 2009, Pages 16124-16128

  Ginder Vogel, Matthew ^a   Landrot, Gautier ^a   Fischel, Jason S ^a   Sparks, Donald L ^a  

^a UNIVERSITY OF DELAWARE   (United States)

Author keywords

Arsenic; Extended x ray absorption fine structure; Kinetics; Manganese oxide; X ray absorption near edge structure

Indexed keywords

ARSENIC; HYDROXIDE; MANGANESE OXIDE;

ABSORPTION SPECTROSCOPY; ARTICLE; CONTROLLED STUDY; DISSOLUTION; OXIDATION REDUCTION REACTION; PRECIPITATION; PRIORITY JOURNAL; QUICK SCANNING X RAY ABSORPTION SPECTROSCOPY;

ARSENATES; ARSENITES; ENVIRONMENTAL MONITORING; KINETICS; MANGANESE; MANGANESE COMPOUNDS; MODELS, CHEMICAL; OXIDATION-REDUCTION; OXIDES; REPRODUCIBILITY OF RESULTS; SPECTROMETRY, X-RAY EMISSION;

EID: 70349490913     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.0908186106     Document Type: Article

References (12)

1. Scheidegger AM, Sparks DL (1996) A critical assessment of sorption-desorption mechanisms at the soil mineral/water interface. Soil Sci 161:813-831. (Pubitemid 27155742)
2. Fendorf SE, Sparks DL, Franz JA, Camaioni DM (1993) Electron paramagnetic resonance stopped-flow kinetic study of manganese(II) sorption-desorption on birnessite. Soil Sci Soc Am J 57:57-62.
3. Parikh SJ, Lafferty BJ, Sparks DL (2008) An ATR-FTIR spectroscopic approach for measuring rapid kinetics at the mineral/water interface. J Col Int Sci 320:177-185.
4. Mitsunobu S, Takahashi Y, Uruga T (2006) Observation of chemical reaction at the solid-water interface by quick XAFS combined with a column reactor. Anal Chem 78:7040-7043. (Pubitemid 44522560)
5. Dent AJ (2002) Development of time-resolved XAFS instrumentation for quick EXAFS and energy dispersive EXAFS measurements on catalyst systems. Top Catal 18:27-35.
6. Post JE (1999) Manganese oxide minerals: crystal structures and economic and environmental significance. Proc Nat Acad Sci 96:3447-3454.
7. Gadde R, Laitinen H (1974) Studies of heavy metal adsorption by hydrous iron and manganese oxides. Anal Chem 46:2022-2026.
8. Ravel B, Newville M (2005) ATHENA, ARTEMIS, HEPHAESTUS: data analysis for X-ray absorption spectroscopy using IFEFFIT. J Synch Rad 12:537-541. (Pubitemid 41557599)
9. Newville M (2001) IFEFFIT: interactive XAFS analysis and FEFF fitting. J Synchrotron Radiat 8:322-324.
10. Manning BA, Fendorf SE, Bostick B, Suarez DL (2002) Arsenic(III) oxidation and arsenic(V) adsorption reactions on synthetic birnessite. Environ Sci Tech 36:976-981. (Pubitemid 34245529)
11. 3, with constraints on reaction mechanism. Geochim Cosmochim Acta 62:2097-2110.
12. Scott MJ, Morgan JJ (1995) Reactions at oxide surfaces. 1. Oxidation of As(III) by synthetic birnessite. Environ Sci Tech 29:1898-1905.