From 1947-2000 cigarette ads have changed in more than just one way. Each ad pinpoints a certain stereotype of a person as well as containing a slogan that assures the viewer of which stereotype the ad is pertaining to. Each ad does a great job of matching the slogan with the image, while drawing in […]
The most common adsorbents on the market today are activated carbon, silica gel, and alumina, because they have large surface areas per unit weight. Activated carbon is produced by roasting organic material to decompose it to granules of carbon – coconut shell, wood, and bone are common sources. Also activated carbon is the most commonly […]