Table 2:
Thermal decomposition temperatures for the mercury compounds [
31
].
Mercury compounds
Decomposition
temperature ranges/°C
Peak temperatures/°C
HgCl
2
70~220
120±10
Hg
2
Cl
2
60~220
80±10
HgBr
2
60~220
110±5
HgS(black)
170~290
205±5
HgS(red)
240~350
310±10
HgSO
4
500~600
540±20
Hg
2
SO
4
120~480
280±10
HgO
200~480
430±15
The Hg release ratio at each heating condition was calculated using Equation (2):