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The anodic dissolution of dental amalgams studied with abrasive stripping voltammetry
Author(s) -
Scholz Fritz,
Rabi Fazil,
Müller WolfDieter
Publication year - 1992
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.1140040312
Subject(s) - anodic stripping voltammetry , dissolution , abrasive , stripping (fiber) , cyclic voltammetry , materials science , anode , metallurgy , voltammetry , corrosion , electrochemistry , chemistry , electrode , composite material , organic chemistry
The recently described technique abrasive stripping voltammetry was used to study the corrosion behavior of five commercial dental amalgams. Abrasive stripping voltammetry of these amalgams reveals details of the anodic dissolution of the alloys that are not accessible by other methods. Systematic studies of SnHg alloys, SnAg alloys, and dental amalgams lead to a method that allows the identification of the γ 2 ‐phase in dental amalgams. It can be shown that the non‐γ 2 amalgams have a higher stability than γ 2 ‐containing amalgams only in solutions of very low complexation ability. In cases of more aggressive solutions such as lemon juice, non‐γ 2 and conventional amalgams exhibit identical behavior during the anodic oxidation.