reagent Ag2S

reagent Ag2S (No.1)

Reaction

Phase transition

Ag2S

Reagent

Rare Metallic Ag2S powder (3N 300mesh)

Weight

102 mg

Container

SiO2 glass ampoule

Comment　　Phase transition of Ag2S
Figure shows the first heating and cooling processes.
On heating：α→β　Ag2S at 189℃,　15.79J/g , at 595℃,　2.80J/g
On cooling：at 575℃,　-2.95J/g , β→α　Ag2S at 165℃, -17.06J/g 　

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