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No simple silicic acid has ever been identified, since these species are primarily of theoretical interest. Depending on the number of silicon atoms present, there are mono- and polysilicic (di-, tri-, tetrasilicic, etc.) acids. Well defined silicic acids have not been obtained in a form that has been characterized by X-ray crystallography.
2009 silicic acid concentration in the upper pelagic zone. [19] Dissolved silica (DSi) is a term used in the field of oceanography to describe the form of water-soluble silica, which is assumed to be Si(OH) 4 (orthosilicic acid) or its conjugate bases (orthosilicate anions) such as − O−Si(OH) 3 and (− O−) 2 Si(OH) 2.
In acidic solutions, the silicate ions react with hydrogen ions to form silicic acids, which tend to decompose into hydrated silicon dioxide gel. [citation needed] Heated to drive off the water, the result is a hard translucent substance called silica gel, widely used as a desiccant. It can withstand temperatures up to 1100 °C. [citation needed]
There are two types of fiber: soluble and insoluble. Soluble fiber dissolves in water and can help lower glucose levels and blood cholesterol. Insoluble fiber, on the other hand, adds bulk to the ...
It's fermented by bacteria in the gut, which forms substances called short-chain fatty acids, or SCFA. These SCFAs prompt the gut to release satiety hormones leptin , glucagon-like-peptide-1 (GLP ...
Hydrated silicas can form in nature through biotic processes primarily involving benthic microorganism activity in the oceans. [6] However, there are several abiotic processes that form hydrated silicas, such as precipitating out of solution, forming a diagenetic alteration product, or replacing pre-existing minerals in sedimentary rocks.
Cheese. Certain varieties like Swiss, provolone, Gouda, cheddar, Edam, Gruyère and cottage cheese contain probiotics, according to Harvard Health. The same precaution about dairy potentially ...
Many hydrates and silicic acids exist in the most dilute of aqueous solutions, but these are rather insoluble and quickly precipitate and condense and cross-link to form various polysilicic acids of variable combinations following the formula [SiO x (OH) 4−2x] n, similar to the behaviour of boron, aluminium, and iron, among other elements.
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