1. Dec 18, 2014 #1

   ejnovek

   

   I'm testing Ammonium Bicarbonate in a fermentation process. Is it possible for Ammonium Bicarbonate to 'salt out' Ethanol? Compounds such as Sodium Carbonate and Ammonium Sulfate are able to salt out ethanol.

    

   Last edited: Dec 18, 2014

   ejnovek, Dec 18, 2014
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3. Dec 18, 2014 #2

   Bystander

   

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   Sounds like a good measurement project.

    

   Bystander, Dec 18, 2014
4. Dec 19, 2014 #3

   ejnovek

   

   Does the Ammonium Bicarbonate decompose in the alcohol or is it able go separate the alcohol from the water? As an ionic compound, is it able to 'salt out' alcohol like other ionic compounds?

    

   ejnovek, Dec 19, 2014
5. Jan 9, 2015 #4

   Quantum Defect

   

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   Ammonium Bicarbonate = [NH4+][HCO3-]. This will decompose in H2O, I believe... [NH4+] + [HCO3-] --> NH3 (g) + CO2 (g) + H2O (l) [Gas forming reactions tend to go becasue of the large positive entropy change when producing a gas...]

    

   Quantum Defect, Jan 9, 2015

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