Alkali, Carbonate, Phase transitions

• C-H-K-O
• C-H-Na-O
• C-Na-O
• C-F-K-Na-O-W
• C-Cs-H-O
• temperature for congruent melting
• fusion
• phase diagram
• decomposition
• chalcogen
• carbonate
• alkali
• quinary
• monoclinic
• hexagonal
• orthorhombic
• tetragonal
• trigonal