How to Purify Acetone with Magnesium Sulphate & Activated Carbon

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SUMMARY

The discussion focuses on purifying acetone using anhydrous magnesium sulphate and activated carbon. The user initially employed 40 grams of magnesium sulphate per liter, achieving improved purity but seeks further refinement. They inquire about the effectiveness of activated carbon for additional purification and whether magnesium sulphate will reintroduce water into the acetone after settling. The user is encouraged to filter the magnesium sulphate after 24 hours to prevent potential contamination.

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  • Understanding of solvent purification techniques
  • Familiarity with anhydrous magnesium sulphate properties
  • Knowledge of activated carbon filtration methods
  • Basic chemistry principles related to solubility and drying agents
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  • Research the effectiveness of activated carbon in solvent purification
  • Explore advanced drying techniques for organic solvents
  • Learn about the properties and handling of anhydrous magnesium sulphate
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Chemists, hobbyists in organic synthesis, and anyone involved in solvent purification processes will benefit from this discussion.

scienceboy2000
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I bought a can of acetone recently. I called the manufacturer and they said that the acetone was 99.5 percent pure. This is not good enough for me. I need it as pure as possible. I have tried tossing in anhydrous magnesium sulphate (about 40 grams per litre), shaking well for a couple minutes, then letting it sit overnight. This seems to result in a more pure acetone, but i am a perfectionist (by the way, was there anything wrong with my drying procedure?)

I was wondering if using activated carbon would work better? I will of course try it out and see how it works, but i would like some direction in purifying my acetone even more.

Also, will the mag sulphate i used leech water back into the acetone after a while? Or should i filter it off after letting the can sit for, say 24 hours?
 
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Look what I found: http://pac.iupac.org/publications/pac/pdf/1986/pdf/5811x1535.pdf
 
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