Silicon Dioxide
| Medical Definition: |
Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid. |
| Guide Notes: |
note X ref: do not confuse with SILICON; TN 172: differentiation among silic- terms; see MeSH definition for names of common forms of silicon dioxide |
| Also Called: |
Aerosil,Quso G-32 |
| CAS Type 1 Name: |
CAS Number: |
7631-86-9 |
Silicon Dioxide Categories.
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Diatomaceous Earth - A form of SILICON DIOXIDE composed of skeletons of prehistoric aquatic plants which is used for its ABSORPTION quality, taking up 1.5-4 times its weight in water. The microscopic sharp edges are useful for insect control but can also be an inhalation hazard. It has been used in baked goods and animal feed. Kieselguhr is German for flint + earthy sediment. |
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Quartz - Quartz (SiO2). A glassy or crystalline form of silicon dioxide. Many colored varieties are semiprecious stones. (From Grant & Hackh's Chemical Dictionary, 5th ed) |
Silicon Dioxide Medical Definitions and Terms
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