Cd + S
Reaction Cd + S �¨ CdS
Phase transition


ReagentCd powder (3N 325mesh)

S powder (6N)
CompanyRare Metallic Co. Ltd.
WeightCd+S 11mg
ContainerSiO2 glass 410mg
Comment
Fugure shows only the heating process.�@
Sulfidation reaction starts remarkably after the melting of Cd at 321.1�Ž and sulfidation temperature range covers over 250-488�Ž. One broad exothermic peak at max 429�Ž,�@ƒ¢H=-509.2J/g. Other small peak around 700�Ž.
The enthalpy of formation
�@Compound crystallizes in the hexagonal systemCdS�B Wurzite-type. ƒ¢Hf=23.9Kcal/mol
DSChome