Research Article
Influence of NH4Cl on Hydrothermal Formation of α-CaSO4·0.5H2O Whiskers
Table 1
Thermodynamic equilibrium reactions.
| + Cl− = NH4Cl
( = 10−1.66) | CaCl+ + Cl− = CaCl2
( = 10−7.88) |
| + OH− = NH3(a) + H2O
( = 104.88) | Ca2+ + OH− = Ca(OH)+
( = 102.57) |
| 2 + = (NH4)2SO4
( = 100.18) | Ca(OH)+ + OH− = Ca(OH)2
( = 104.46) |
| + = NH4HSO4
( = 10−8.66) | H+ + =
( = 103.52) |
| Ca2+ + Cl− = CaCl+
( = 100.86) | H+ + = H2SO4
( = 10−7.68) |
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