Effects of secondary iron phases on kaolinite 27al mas NMR spectra

Clays and Clay Minerals

Volumn 46, Issue 4, 1998, Pages 429-435

  Schroeder, Paul A ^a   Pruett, Robert J ^b   Hurst, Vernon J ^a  

^a UNIVERSITY OF GEORGIA   (United States)

^b ECC International Technology Center   (United States)

Author keywords

27al nmr spectroscopy; Goethite; Halloysite; Hematite; Iron; Kaolinite; Magnetic susceptibility

Indexed keywords

ALUMINA; CHEMICAL ANALYSIS; IRON OXIDES; KAOLIN; MAGNETIC PERMEABILITY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY;

HEMATITE; KAOLINITE;

CLAY MINERALS;

HALLOYSITE; HEMATITE; IRON; KAOLINITE; MAGNETIC PROPERTY;

EID: 0032148072     PISSN: 00098604     EISSN: None     Source Type: Journal    
DOI: 10.1346/CCMN.1998.0460407     Document Type: Article

References (15)

1. Fukushima E, Roeder SEW. 1981. Expérimental pulse NMR: A nuts and bolts approach. Reading, MA: Addison-Wesley Publ. 539 p.
2. Haase J, Oldfield E. 1996. Quantitative determination of noninteger spin quadrulpole nuclei in solids using nuclear magnetic spin-echo techniques. J Mag Res 104:1-9.
3. Hunt CP, Moskowitz BM, Banerjee SK. 1995. Magnetic properties of rocks and minerals. In: Ahrens TJ, editor. Rock physics and phase relations: A handbook of physical constants. Washington, DC: Am Geophysical Union, p 189-204.
4. Hurst VJ, Bösio NJ. 1975. Rio Capim kaolin deposits, Brazil. Econ Geol 70:990-992.
5. Kinsey RA, Kirkpatrick RJ, Hower J, Smith KA, Oldfield E. 1985. High resolution aIuminum-27 and siIicon-29 nuclear magnetic resonance spectroscopic study of layer silicates, including clay minerals. Am Mineral 70:537-548.
6. Kirkpatrick RJ. 1988. MAS NMR spectroscopy of minerals and glasses. In: Hawthorne FC, editor. Spectroscopic methods in mineralogy and geology. Rev Mineral. Washington, DC: Mineral Soc Am. p 341-404.
7. Kirkpatrick RJ, Weiss CA. 1987. Magic-angle sample-spinning NMR spectroscopy of clay minerals. In: Stucki JW, Banwart WL, editors. NATO conference volume on analytical chemical methods in clay minerals research. Boston, MA: D. Reidel Publ. 465 p.
8. 27Al MAS NMR in YAG. J Mag Res 90: 231-242.
9. 27Al NMR spectroscopy. Clay Miner 29:305-312.
10. Oldfield E, Kinsey RA, Smith KA, Nichols JA, Kirkpatrick RJ. 1983. High-resolution NMR of inorganic solids. Influence of magnetic centers on magic-angle sample-spinning lineshapes in some natural aluminosilicates. J Mag Res 51: 325-329.
11. O'Reilly W. 1984. Rock and mineral magnetism. New York: Blackie. 220 p.
12. Pruett RJ, Murray HH. 1993. The mineralogical and geochemical controls that source rocks impose on sedimentary kaolins. In: Murray H, Bundy W, Harvey C, editors. Kaolin genesis and utilization. Boulder, CO: Clay Miner Soc. p 149-170.
13. 27Al NMR investigation of Miocene Gulf Coast shales with application to understanding illite/smectite crystal-chemistry. Clays Clay Miner 41:668-679.
14. 27Al NMR spectroscopy. Am Mineral 81:26-38.
15. Schulze DG. 1984. The influence of aluminum on iron oxides. VIII. Unit-cell dimension of Al-substituted goethites and estimation of Al from them. Clays Clay Miner 32:36-44.