Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Converting sodium percarbonate to hydrogen peroxide

  1. Apr 8, 2017 #1
    I noticed a previous thread on the above subject in this forum.

    For several years now, I have used 30% concentration hydrogen peroxide mixed with a few drops of ammonia to very great effect* for dealing with blood stains on cotton fabrics (on sheets—a recurring problem for me) by soaking the stains for a minute or two in the above solution. With this new age of terrorism, it is unfortunately becoming increasingly difficult (and very expensive) to get hold of H2O2 (at least where I live in Belgium). My question: I have recently bought a bottle of Sodium Percarbonate powder which I think is 100% pure. What ratio of water to powder would be necessary to obtain a similar H2O2 concentration to the H2O2 concentration I have been using up until now? And, if you know the answer, is there a possibility that the presence of soda ash (present in sodium percarbonate) could compromise the efficacity of this proposed method in relation to my method up until now?

    Please note that I am an ignoramus regarding all things related to physics :frown: so answers will necessarily need to be formulated with this in mind.

    Thanks!

    *and previously an even stronger concentration (50%? I can't remember) to even greater effect
     
    Last edited: Apr 8, 2017
  2. jcsd
  3. Apr 8, 2017 #2
    Hmm, I thought H2O2 is regularly available from hairdresser suppliers as a non corrosive bleaching agent, things may have changed though.
     
  4. Apr 8, 2017 #3

    DrDu

    User Avatar
    Science Advisor

    But not 30%
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Converting sodium percarbonate to hydrogen peroxide
  1. Hydrogen Peroxide (Replies: 6)

Loading...