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Bentonite is also sold online and in retail outlets for a variety of indications. [36] Bentoquatam is a bentonate-based topical medication intended to act as a shield against exposure to urushiol, the oil found in plants such as poison ivy or poison oak. [37] Bentonite can also be used as a desiccant due to its adsorption
One measure of desiccant efficiency is the ratio (or percentage) of water storable in the desiccant relative to the mass of desiccant. Another measure is the residual relative humidity of the air or other fluid being dried. The performance of any desiccant varies with temperature and both relative humidity and absolute humidity. To some extent ...
A desiccant is a substance that absorbs water. It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture. List of desiccants: Activated alumina. Aerogel. Benzophenone (as anion) Bentonite clay. Calcium chloride. Calcium hydride.
Desiccation is the state of extreme dryness, or the process of extreme drying. A desiccant is a hygroscopic (attracts and holds water) substance that induces or sustains such a state in its local vicinity in a moderately sealed container. The word desiccation comes from Latin de- 'thoroughly' and siccare 'to dry'.
Crop desiccation. Desiccated potato plants prior to harvest. Pre-harvest crop desiccation refers to the application of an agent to a crop just before harvest to kill the leaves and/or plants so that the crop dries out from environmental conditions, or "dry-down", more quickly and evenly. [1] [2] [3] In agriculture, the term desiccant is applied ...
The lower compartment of the desiccator contains lumps of silica gel, freshly calcined quicklime, Drierite, molecular sieves, phosphorus pentoxide, (not as effective) anhydrous calcium chloride, or other desiccant to absorb water vapor. The substance needing desiccation is put in the upper compartment, usually on a glazed, perforated ceramic plate.
Fuller's earth. A sample of fuller's earth in its raw state from Pakistan. Fuller's earth is a term for various clays used as an absorbent, filter, or bleaching agent. Products labeled fuller's earth typically consist of palygorskite (also known as attapulgite) or bentonite. [1] Primary modern uses include as absorbents for oil, grease, and ...
Category. : Desiccants. Desiccation is the state of extreme dryness. Wikimedia Commons has media related to Desiccants.