activated charcoal

activated charcoal

Charcoal which has been treated to remove hydrocarbons and to increase its adsorptive properties. It acts by condensing and holding a gas or solute onto its surface; thus inhibitory substances in nutrient medium may be adsorbed to charcoal included in the medium. Rooting factors such as phenolamines present as contaminants in charcoal may stimulate growth in vitro. Its addition to rooting medium may stimulate root initiation in some plant species. Activated charcoal may differ in origin and in composition.

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Part of Speech: noun
Synonym(s): activated_carbon_₁₀
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Industry/Domain: Biotechnology
Category: Genetic engineering
Organization: FAO
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