Experiment to fuse 'hard head' tin with sulphur

Made:
1858
preparer:
John Percy

Refining of Tin. 'Hard head' fused with sulphur. Experiment by Dr. Percy, 1858. 'Hard head' being produced from roasted ores, contains little or no sulphur, and on fusing with sulphur the metals become sulphides. This is a compact, porous, regulus-like mass.

Details

Category:
Metallurgy
Object Number:
1889-164/2099
type:
specimen
credit:
John Percy Collection