Activate charcoal does not work absorb the following
1) Ionic compounds: lithium, calcium, potassium, sodium, magnesium, fluoride and iodide
2) Heavy metals: arsenic, lead, mercury, iron and zinc cadmium
3) Acids/Bases
4) Hydrocarbons: alkenes, alkanes, alkyl halides, and aromatic compounds
5) Essential oils 6) Alcohols: acetone, ethanol, ethylene glycol, methanol and isopropanol