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ammonium

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Journal Article
Published: 01 February 2007
Clays and Clay Minerals (2007) 55 (1): 36-44.
... mineralization of the Western Carpathian Mountains. The tobelitic portion of the clay comprises 5–10%. Ammonium was detected both by chemical analysis and by Fourier transform infrared analysis. Some of the ammonium can be assigned to a poorly bound form, not fully fixed in the illitic interlayer. The finest...
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Journal Article
Journal: Clay Minerals
Published: 01 June 1997
Clay Minerals (1997) 32 (2): 319-322.
Journal Article
Journal: Clay Minerals
Published: 01 October 1994
Clay Minerals (1994) 29 (4): 527-537.
Journal Article
Published: 01 June 1993
South African Journal of Geology (1993) 96 (1-2): 63-64.
Journal Article
Published: 01 February 1993
American Mineralogist (1993) 78 (1-2): 204-209.
...J. H. L. Voncken; H. L. M. Van Roermund; A. M. J. van der Eerden; J. B. H. Jansen; R. C. Erd Abstract Holotype buddingtonite from the Sulphur Bank Quicksilver deposit, Lake County, California, was studied by XRD, IR, STEM, SEM, TGA, DTA and wet chemical analyses. Synthetic anhydrous ammonium...
Journal Article
Published: 01 August 1991
Clays and Clay Minerals (1991) 39 (4): 400-408.
Journal Article
Published: 01 November 1990
Geological Magazine (1990) 127 (6): 579-586.
Journal Article
Published: 01 February 1988
Journal of the Geological Society (1988) 145 (1): 37-41.
...A. HALL Abstract The ammonium contents of granites, pegmatites and hydrothermally altered rocks from SW England have been measured. Ammonium levels in the granites are generally high compared with those from other regions, averaging 36ppm, and they differ markedly between intrusions. The pegmatites...
Journal Article
Published: 01 June 1982
Clays and Clay Minerals (1982) 30 (3): 161-166.