How Activated Charcoal Works

BrainStuff

English - February 20, 2009 18:00 - 1 minute - 1.8 MB - ★★★★ - 1.6K ratings
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If you look on the label of a water filter, you'll often see the filter contains activated charcoal -- but what exactly is this stuff? Tune in as Marshall Brain explains the nature of activated charcoal in this podcast from HowStuffWorks.com.

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