A desiccant is a hygroscopic substance that is used to induce or sustain a state of dryness in its vicinity; it is the opposite of a humectant. Commonly encountered pre-packaged desiccants are solids
Canisters are commonly filled with silica gel and other molecular sieves used as desiccant in drug containers to keep contents dry.
Silica gel in a sachet or porous packet
Toluene is heated under reflux with sodium and benzophenone to produce dry, oxygen-free toluene. The toluene is dry and oxygen free when the intense blue coloration from the benzophenone ketyl radical is observed.
Hygroscopy is the phenomenon of attracting and holding water molecules via either absorption or adsorption from the surrounding environment, which is usually at normal or room temperature. If water mo
Desiccant
…A desiccant is a hygroscopic substance that is used to induce or sustain a state of dryness (desiccation) in its vicinity; it is the opposite of a humectant. Commonly encountered…
Air plant (Tillandsia bulbosa)
The aquatic file snake (A. granulatus) with hygroscopic skin, shown out of water
An orb-weaver spider (Larinioides cornutus) with hygroscopic coated capture threads
Waxy monkey tree frog (Phyllomedusa sauvagii)