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Radiation-induced catalysis of fatty acids adsorbed onto clay minerals

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Abstract

We studied the behavior of small fatty (acetic acid) and dicarboxylic acids (succinic and malonic acids) adsorbed onto Na+-montmorillonite (a clay mineral) and exposed to gamma radiation. A decarboxylation reaction was found to predominate when the clay was present. This preferential synthesis promoted the formation of a compound with one less carbon atom than its target compound. In the system without clay, dimerization was the predominate outcome following radiolysis.

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Acknowledgments

This work was partially supported by a PAPIIT grant IN110712-3 and the CONACyT Grant No. 168579/11. The technical support from C. Camargo, B. Leal, and F. Garcia-Flores is acknowledged. The authors gratefully appreciate the suggestions of the anonymous referees.

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Authors and Affiliations

  1. Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México (UNAM), A.P. 70-543, C.P. 04510, México, D.F., México

    A. Negrón-Mendoza & S. Ramos-Bernal

  2. Instituto de Geología, Universidad Nacional Autónoma de México, C.P. 04510, México, D.F., México

    M. Colín-García

  3. Dirección General de Divulgación de la Ciencia, Universidad Nacional Autónoma de México, C.P. 04510, México, D.F., México

    F. G. Mosqueira

Authors
  1. A. Negrón-Mendoza
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  2. S. Ramos-Bernal
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  3. M. Colín-García
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  4. F. G. Mosqueira
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Correspondence to A. Negrón-Mendoza.

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Negrón-Mendoza, A., Ramos-Bernal, S., Colín-García, M. et al. Radiation-induced catalysis of fatty acids adsorbed onto clay minerals. J Radioanal Nucl Chem 303, 1507–1511 (2015). https://doi.org/10.1007/s10967-014-3678-9

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  • DOI: https://doi.org/10.1007/s10967-014-3678-9

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