DESICCANT BEADS GALLON
A
desiccant
is a hygroscopic substance that induces or sustains a state of dryness
(desiccation) in its vicinity. Commonly encountered pre-packaged desiccants are
solids that adsorb water. Desiccants for specialized purposes may be in forms
other than solid, and may work through other principles, such as chemical
bonding of water molecules. They are commonly encountered in foods to retain
crispness. Industrially, desiccants are widely used to control the level of
water in gas streams.
Sometimes a humidity indicator is included in the desiccant to show, by color
changes, the degree of water-saturation of the desiccant. One commonly used
indicator is cobalt chloride (CoCl2).
Anhydrous cobalt chloride is blue. When it bonds with two water molecules, (CoCl2•2H2O),
it turns purple. Further hydration results in the pink hexaaquacobalt(II)
chloride complex [Co(H2O)6]Cl2.
Desiccants induce dryness in any environment and reduce the amount of moisture
present in air. Desiccants come in various forms and have found widespread use
in the food, pharmaceuticals, packing, electronics and many manufacturing
industries.
Part #: API.34417
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Units: GALLON
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