| infusorial earth |
Chalk-like gray or white silicon, composed of fossilized remains of marine life, which is used for thermal insulation for steam piping, paint extenders, scouring powders, filters, etc. Also called Tripoli or Diatomaceous Earth or Diatomaceous Silica.
출처: www.peakagents.ca/glossary/i4.htm
|
|---|---|
| infusorial e. |
a silicon-rich earth composed mostly of fragments of diatoms; by boiling with dilute hydrochloric acid, washing, and calcining, it can be so purified as to be a very pure form of silica (terra silicea purificata). It is often mixed with clay and used in various industries. See also diatomite. Called also diatomaceous e.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|