Toxicology
- Silicon, does not exist naturally in its pure form but reacts with oxygen and water to form silicon dioxide. Silicon dioxide has two naturally occurring forms: crystalline and amorphous. Silica gel is an amorphous form of silicon dioxide(USEPA, 1991;NPIC, 2013)
- The small fraction that is absorbed is excreted mostly in the urine (IPCS, 1974)
- In case of a large oral exposure, fecal excretion is predominant because poor absorption of the compound occurs due saturating absorption processes (IPCS, 1974)
- Studies have shown that silicon can be hydrolyzed to orthosilicic acid . . .
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