NDLI: On the Analysis of the Mössbauer Spectra of the Rust Converted by Tannic and Phosphoric Acids

Content Provider	Springer Nature Link
Author	Barrero, C. A. Ríos, J. F. Morales, A. L. Bohórquez, A. Pérez Alcazar, G.
Copyright Year	2003
Abstract	In previous work, we reported results on the action of rust converters based on a mixture of tannic and phosphoric acids, upon the rust formed on mild steel coupons. There, the rust before and after the application of converters were characterized by room-temperature Mössbauer spectroscopy, among other techniques. The present work is an extension of this one, and additional MS at 77 K, 130 K and 300 K for some samples are presented. Special emphasis is given to the methodology of analysis. Our results confirm previous findings that an important portion of the magnetite remains without conversion. New information was also derived: (i) the converters seem to affect more the magnetite octahedral (B) than the tetrahedral (A) sites; (ii) among the magnetite B sites, the Fe2+ is the most affected; (iii) at least 31% of magnetic goethite at 77 K is transformed by the converter; and (iv) the presence of an additional phase identified as ferrous phosphate, could be resolved unambiguously only at these lower temperatures.
Starting Page	211
Ending Page	217
Page Count	7
File Format	PDF
ISSN	03043843
Journal	Hyperfine Interactions
Volume Number	148
Issue Number	1-4
e-ISSN	15729540
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2003-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Nuclear Physics, Heavy Ions, Hadrons Atoms, Molecules, Clusters and Plasmas Condensed Matter Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry Condensed Matter Physics

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