The Thermavault refrigeration unit can keep vaccines cool with a reusable salt solution. The teens who built it plan to test it at 120 hospitals.

Like almost all salts, barium chloride (BaCl 2) is ionic, consisting of Ba +2 cations (positively charged ions) and Cl-1 anion (negatively charged). The anionic portion of the salt generally ...

Because the barium salts were molten, the barium ions easily moved to the container with the negative electrode, ... Barium can be extracted from barium chloride through electrolysis.

Three teens built a salt-powered fridge to help bring vaccines and medical supplies to rural areas. The invention uses salts that pull heat from their environments when they dissolve in water ...

The barium chloride manufacturing report covers various aspects, ranging from a broad market overview to intricate details like unit operations, raw Tuesday, 02 January 2024 12:17 GMT عربي ...

“This is table salt, a solution of sodium chloride,” and some you probably don’t. “Lithium chloride, barium chloride, copper bromide, and then potassium bicarbonate.” ...

Calcium salts make orange, while sodium salts (as in table salt) explode in yellow. Green comes from the compound barium chloride, blue from copper chloride. Silver or white colors are made of ...

Another noteworthy salt is barium dihydroxide. On mixing it with an ammonium salt, for example ammonium chloride, a strongly endothermic reaction occurs between the two solids that produces a ...

Three teens built a salt-powered fridge to help bring vaccines and medical supplies to rural areas. The invention uses salts that pull heat from their environments when they dissolve in water ...