By David O. Cooney
Highlighting activated charcoal's nice effectiveness in treating drug overdoses and poisonings in either people and animals, this complete, single-source reference brings jointly very important info from each major examine at the use of activated charcoal for scientific purposes-describing all to be had charcoal items and their features.
Details activated charcoal's skill to minimize the systemic absorption of an enormous array of gear, chemical compounds, and biochemical substances-including analgesics, antipyretics, sedatives, alkaloids, snake venoms, and bacterial and fungal pollutants.
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Extra info for Activated Charcoal in Medical Applications, Second Edition
4) was added to 20 mL of various solutions of 1 g/L sodium salicylate. 7, which shows the charge on the salicylate molecule as a function of pH. It is clear that the percent salicylate adsorbed essentially varies inversely with the charge on the sali cylate molecule. Cooney and Wijaya (1987) have presented similar information on the percent adsorption of various aromatic compounds to charcoal as a function of pH. Again, the amount of charcoal, the solution volume, and the initial concentration of the solute in solution were held constant in each test series.
2. 524 mg Activated Charcoal and the Adsorption Process 41 charcoal/mg aspirin. 21 mL/mg aspirin. 21C, where Q has units of mg aspirin/mg charcoal and Cf has units of mg aspirin/mL. B. The Freundlich Isotherm Equation Data on adsorption from a liquid phase frequently are fitted better by the so-called Freundlich isotherm equation Q = KC},n where n is a constant which is usually greater than 1 (the power on Cf is written as (1/n) rather than just n for traditional reasons, perhaps because this makes n have a usual value greater than 1).
One must be aware that the surface area is usually inferred from the amount of N 2 (a small molecule) which can be adsorbed at -196°C (N2 boiling point). If one wishes to adsorb a large molecule, much of the internal surface area may not be accessible. 5 gives an example of this. 10 g/liter. From Hassler (1963). Reprinted by permission of the Chemical Publishing Company. were initially too small to admit the large molecules of aniline blue finally become large enough to admit them. Note that increases in the surface area above 600 m2/g have no effect on phenol adsorption.