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 321.1Ž and sulfidation temperature range covers over 250-488Ž. One broad exothermic peak at max 429Ž,@ƒ¢H=-509.2J/g. Other small peak around 700Ž.
The enthalpy of formation
@Compound crystallizes in the hexagonal systemCdSB Wurzite-type. ĢHf=23.9Kcal/mol
DSChome