Observations of onset of sulfide tarnish on gold-base alloys.
D000497:Alloys / Q000592:standards*; D003764:Dental Materials / Q000592:standards*; D006047:Gold Alloys / Q000592:standards*; D006801:Humans; D010084:Oxidation-Reduction; D012463:Saliva; D012964:Sodium; D013440:Sulfides; D013499:Surface Properties
D000497:Alloys; D003764:Dental Materials; D006047:Gold Alloys; D013440:Sulfides; D012964:Sodium