Structural and compositional characterization of Silverfil amalgam

Chanthiriga Ramasindarum, Vengadaesvaran Balakrishnan, Noor Hayaty Abu Kasim, Mohd. Ambar Yarmo

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Silverfil™ (Silverfil dental Products, Malaysia) is a commercially available dental amalgam which is based on silver (Ag) and mercury (Hg) only. The objective of this study was to determine the structural state and chemical composition of the starting materials and presence of mercury in the resulting amalgam. All the starting materials of the Silverfil amalgam were characterized using Field Emission Scanning Electron Microscopy (FESEM-EDX), X-Ray Diffraction (XRD) and X-Ray Photoelectron Spectroscopy (XPS). Analysis using FESEM depicts that amalgam (Ag2Hg3) clusters were formed as a matrix consisting of crystalline solid. The EDX analysis showed that all the chemical composition of the starting materials consists of Ag and Hg only. The XRD analysis also revealed that Ag and Hg form as isometric (cubic)-hexoctahedral with unit cells of 10.06 Å. This value is similar to a naturally occurring mineral called "Moschellandsbergite" which is found in the district of Landsberg in Germany. The XPS analysis showed that there was no free mercury (Hg0) present in the starting material. When the resulting amalgam was analysed, the binding energy of Hg (4f) photoelectron peaks were at 101 eV and 100.3 eV confirming the presence of bonded mercury with silver alloy (Ag2Hg3). These studies show that there is no free mercury present in Silverfil amalgam.

Original languageEnglish
Title of host publicationAdvanced Structured Materials
Pages153-166
Number of pages14
Volume29
DOIs
Publication statusPublished - 2013

Publication series

NameAdvanced Structured Materials
Volume29
ISSN (Print)18698433
ISSN (Electronic)18698441

Fingerprint

Mercury amalgams
Mercury
Mercury (metal)
Energy dispersive spectroscopy
Dental amalgams
X ray photoelectron spectroscopy
Dental Amalgam
Silver alloys
Photoelectrons
Binding energy
Chemical analysis
Silver
Field emission
X ray diffraction analysis
Minerals
Crystalline materials
X ray diffraction
Scanning electron microscopy

Keywords

  • Amalgam
  • Analysis
  • Mercury
  • Silver
  • Surface
  • XPS
  • XRD

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Ramasindarum, C., Balakrishnan, V., Kasim, N. H. A., & Yarmo, M. A. (2013). Structural and compositional characterization of Silverfil amalgam. In Advanced Structured Materials (Vol. 29, pp. 153-166). (Advanced Structured Materials; Vol. 29). https://doi.org/10.1007/978-3-642-31470-4_10

Structural and compositional characterization of Silverfil amalgam. / Ramasindarum, Chanthiriga; Balakrishnan, Vengadaesvaran; Kasim, Noor Hayaty Abu; Yarmo, Mohd. Ambar.

Advanced Structured Materials. Vol. 29 2013. p. 153-166 (Advanced Structured Materials; Vol. 29).

Research output: Chapter in Book/Report/Conference proceedingChapter

Ramasindarum, C, Balakrishnan, V, Kasim, NHA & Yarmo, MA 2013, Structural and compositional characterization of Silverfil amalgam. in Advanced Structured Materials. vol. 29, Advanced Structured Materials, vol. 29, pp. 153-166. https://doi.org/10.1007/978-3-642-31470-4_10
Ramasindarum C, Balakrishnan V, Kasim NHA, Yarmo MA. Structural and compositional characterization of Silverfil amalgam. In Advanced Structured Materials. Vol. 29. 2013. p. 153-166. (Advanced Structured Materials). https://doi.org/10.1007/978-3-642-31470-4_10
Ramasindarum, Chanthiriga ; Balakrishnan, Vengadaesvaran ; Kasim, Noor Hayaty Abu ; Yarmo, Mohd. Ambar. / Structural and compositional characterization of Silverfil amalgam. Advanced Structured Materials. Vol. 29 2013. pp. 153-166 (Advanced Structured Materials).
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