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Difference between barium chloride and barium chloride dihydrate
1. Chemical comparison
1.1 solubility
Barium chloride is slightly soluble in water, but the solubility increases slightly with increasing temperature. The solubility of barium chloride dihydrate is slightly higher than that of barium chloride, and its solubility changes less with temperature.
1, Reactivity
Barium chloride reacts with carbonate under neutral conditions, and the reaction rate is slow; barium chloride dihydrate reacts more actively under neutral conditions and reacts faster under acidic conditions.
2. Physical form analysis
2.1 condensation state
Barium chloride mostly exists in the form of crystalline hydrate, and barium chloride dihydrate is the most common form. Barium chloride dihydrate particles are larger, the physical state is more stable.
2.2 solubility difference
The solubility of barium chloride dihydrate in water is slightly higher than that of barium chloride, and the viscosity of its solution is low, which is convenient for use.
2.3 appearance color
Barium chloride is colorless in pure water, while barium chloride dihydrate may have a faint blue-green color due to different crystal water content.
3. Use Scenarios
3.1 industrial applications
Barium chloride is often used in neutral environment of acid and alkali neutralization, such as industrial wastewater treatment as a neutralizing agent. Barium chloride dihydrate is often used as a solvent in large-scale production due to its high solubility.
3.2 Crystal Applications
Because of its stable crystal structure, barium chloride dihydrate is widely used in the preparation of crystals in cosmetics, pesticides and other fields, while the use of barium chloride is relatively small.
4. Storage method
4.1 storage conditions
Both should be stored in a cool, dry place, away from direct sunlight and high temperatures. Due to the large particles of barium chloride dihydrate, special attention should be paid to temperature control during storage.
Summary
There are significant differences in chemical properties and physical forms between barium chloride and barium chloride dihydrate, which affect their application in industrial production. Understanding these differences helps chemical workers make the right choices and applications in practice.
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