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Synthesis and characterization of low-charge sodium fluorophlogopite mica-type clay minerals

Komarneni, Sridhar / Ravella, Ramesh / Dong Noh, Young / Mackenzie, Kenneth J.D.

AbstractThis work reports a solid-state synthesis of low-charge mica-type clay minerals using a fluoride flux method. Synthesized mica-type clay samples yielded hydrated phases with d-spacings in the range of 12.1–12.5 Å as revealed by powder X-ray diffraction (XRD). ²⁹Si and ²⁷Al magic angle spinning nuclear magnetic resonance (MASNMR) spectroscopy revealed the Si and Al nearest neighbor environments as well as the presence of impurities such as amorphous silica and forsterite in these samples.

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Synthesis and characterization of low-charge sodium fluorophlogopite mica-type clay minerals

Komarneni, Sridhar / Ravella, Ramesh / Dong Noh, Young / Mackenzie, Kenneth J.D.

AbstractThis work reports a solid-state synthesis of low-charge mica-type clay minerals using a fluoride flux method. Synthesized mica-type clay samples yielded hydrated phases with d-spacings in the range of 12.1–12.5 Å as revealed by powder X-ray diffraction (XRD). ²⁹Si and ²⁷Al magic angle spinning nuclear magnetic resonance (MASNMR) spectroscopy revealed the Si and Al nearest neighbor environments as well as the presence of impurities such as amorphous silica and forsterite in these samples.

Synthesis and characterization of low-charge sodium fluorophlogopite mica-type clay minerals

Komarneni, Sridhar / Ravella, Ramesh / Dong Noh, Young / Mackenzie, Kenneth J.D.

AbstractThis work reports a solid-state synthesis of low-charge mica-type clay minerals using a fluoride flux method. Synthesized mica-type clay samples yielded hydrated phases with d-spacings in the range of 12.1–12.5 Å as revealed by powder X-ray diffraction (XRD). ²⁹Si and ²⁷Al magic angle spinning nuclear magnetic resonance (MASNMR) spectroscopy revealed the Si and Al nearest neighbor environments as well as the presence of impurities such as amorphous silica and forsterite in these samples.

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Title:

Synthesis and characterization of low-charge sodium fluorophlogopite mica-type clay minerals

Contributors:

Komarneni, Sridhar (author) / Ravella, Ramesh (author) / Dong Noh, Young (author) / Mackenzie, Kenneth J.D. (author)

Published in:

Applied Clay Science ; 42 ; 524-528

Publication date:

2008-06-25

Size:

5 pages

ISSN:

DOI:

https://doi.org/10.1016/j.clay.2008.06.013

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Mica-type clay minerals , Synthetic clays , Solid-state NMR , Low-charge clay minerals , X-ray diffraction

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