JAIC 1983, Volume 23, Number 1, Article 6 (pp. 63 to 64)
JAIC online
Journal of the American Institute for Conservation
JAIC 1983, Volume 23, Number 1, Article 6 (pp. 63 to 64)

A CAUTIONARY NOTE ON THE PRESENCE OF SILVER CYANIDE ON MUSEUM OBJECTS

Donna Strahan


ABSTRACT—A 19th century Japanese silver dragon was discovered to have a silver cyanide corrosion product scattered over its surface. The corrosion product appears as a gray to black, wart-shaped powdery substance on the silver surface. Due to the extremely poisonous nature of cyanide salts and gases caution should be taken when handling and treating suspected silver objects.


Copyright 1983 American Institute of Historic and Artistic Works