Letter | Published:

Valence State of Platinum–Alumina Catalysts

Nature volume 192, pages 11791180 (23 December 1961) | Download Citation

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Abstract

PLATINUM-ON-ALUMINA reforming catalysts are widely used in the petroleum industry. Recent work in this laboratory has shown that catalysts containing soluble platinum more readily convert paraffins to aromatics1. Soluble platinum is that which will dissolve in either dilute hydrofluoric acid or acetylacetone. It is believed to exist as a compound involving the alumina support and the chloride present in the catalyst, and is in the plus-four valence state after solution in dilute hydrofluoric acid.

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References

  1. 1.

    , , , , and , Second Intern. Cong. on Catalysis, Paris, July 4, 1960 (in the press).

  2. 2.

    , and , Spectrochim. Acta, 16, 237 (1960).

  3. 3.

    , Colorimetric Determinations of Trace Metals, 728 (Intersci. Pub., Inc., New York, 1959).

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Affiliations

  1. Research and Development Department, American Oil Company, Whiting, Indiana.

    • R. J. BERTOLACINI

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DOI

https://doi.org/10.1038/1921179a0

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