· Anhydrous (BaCl₂): no water, suitable for high-temperature processes
· Dihydrate (BaCl₂·2H₂O): contains crystal water, more stable for general use
· Anhydrous (BaCl₂): no water, suitable for high-temperature processes
· Dihydrate (BaCl₂·2H₂O): contains crystal water, more stable for general use