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What is silica?
In nature, silicon is never found in pure form, but always in combination with oxygen as silicon dioxide. Its acid is called silicic acid. In nature, silicic acid is found, among other things, as supporting structures of silicic anhydride in plant and animal organisms, such as diatoms (diatoms) and radiolarians (radiolarians) and glass sponges (hexactinellida).
Silicon is an essential trace element, present in every cell, indispensable for many processes in the body and has been proven to activate cell metabolism and cell structure. In the human body silicon is important for a number of processes:
„Pyrogenic silicon dioxide (historically, but wrongly also pyrogenic silica) is a synthetically produced colloidal material with defined properties and particle size, which is used as a filler in plastics. It consists entirely of amorphous silicon dioxide particles (SiO2), which are aggregated to larger units. The same applies to precipitated silicon dioxide (historically: precipitated silica), but it differs in production method and properties.“
(Quelle: https://de.wikipedia.org/wiki/Pyrogenes_Siliciumdioxid, accessed: 24. September 2019, 21:07 UTC))
Molecular structure of acids, including silicic acid