porous adsorbent
21charcoal — charcoaly, adj. /chahr kohl /, n. 1. the carbonaceous material obtained by heating wood or other organic substances in the absence of air. 2. a drawing pencil of charcoal. 3. a drawing made with charcoal. v.t. 4. to blacken, write, or draw with… …
22Detection of fire accelerants — Forensic science Physiological sciences …
23Ethanol — For other uses, see Ethanol (disambiguation). Grain alcohol redirects here. It is not to be confused with Neutral grain spirit. Ethanol …
24Trichloroethylene — chembox new ImageFileL1=Trichloroethene skeletal.png ImageSizeL1=120px ImageFileR1=Trichloroethylene 3D vdW.png ImageSizeR1=120px IUPACName=trichloroethene OtherNames = 1,1,2 Trichloroethene, 1,1 Dichloro 2 Chloroethylene, 1 Chloro 2,2… …
25Montmorillonite — A sample of montmorillonite (unknown scale) General Category smectite, phyllosilicate …
26Sorbent tube — Sorbent tubes are the most widely used collection media for sampling hazardous gases and vapors in air. They were developed by the US National Institute for Occupational Safety and Health (NIOSH) for air quality testing of workers. Sorbent tubes… …
27Berkefeld filter — A Berkefeld filter [ [http://cancerweb.ncl.ac.uk/cgi bin/omd?Berkefeld+filter Definition: Berkefeld filter from Online Medical Dictionary ] ] is British water filter made up of diatomaceous earth (called Kieselguhr… …
28alumina — /euh looh meuh neuh/, n. the natural or synthetic oxide of aluminum, Al2O3, occurring in nature in a pure crystal form as corundum. Also called aluminum oxide. [1780 90; < L alumin , s. of alumen ALUM1 + A4] * * * ▪ chemical compound… …
29adsorption chromatography — chromatography in which the stationary phase is a nonspecific adsorbent, such as silica gel, porous polymers, or charcoal …
30activated charcoal, activated carbon — A granular material usually produced by the roasting of cellulose base substances, such as wood or coconut shells, in the absence of air. It has an extremely porous structure and is used in water conditioning as an adsorbent for organic matter …
