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Treatment; 30 Nov 1995; Remove copper corrosion; Metals

Reason: Temporary Exhibition
Description: Applied 15% formic acid locally. No effect. Applied Diethylenetriaminepenta acetic acid pentasodium salt sone of the red corrosion removed. Applied Ammonia to the corrosion-all removed.
Details: Treatment

3 related objects

medal

Museum number: M.8058 |
Producer name: BIOG106275 Designed by:John Croker |
Production date: 1706 |
Production place: Made in:British Isles

medal

Museum number: G3,EM.181 |
Producer name: BIOG106275 Designed by:John Croker |
Production date: 1706 |
Production place: Made in:British Isles

medal

Museum number: M.8057 |
Producer name: BIOG106275 Designed by:John Croker |
Production date: 1706 |
Production place: Made in:London (England)