Wednesday October 21st, 2015 10:59 Bellevue College Chemistry Club Experiment: Belousov-Zhabotinsky Reaction

Week One Chem-Club Experiment. BZ-Reaction; An Oscillating Reduction-Oxidation Reaction. Steps: 1) Dissolve 9.5g Potassium Bromate in 250mL distilled water to make 0.23M Potassium Bromate 2) Dissolve 8g Malonic Acid and 1.75g Potassium Bromide in 250mL distilled water. 3) Dissolve 2.65g Cerium Ammonium Nitrate in 250mL of 2.7M Sulfuric Acid. 4) To make 2.7M Sulfuric Acid; Pour 75mL of 18M Sulfuric Acid into 250mL distilled water. Then add more distilled water to reach 500mL. 5) To make a 0.50% Ferroin Solution; Dissolve 0.115g Melanterite in 50mL distilled water. Then add 0.23g of 1,10-Phenanthroline. Hopefully those steps make sense 🙂

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    32 Comments on “Bellevue College Chemistry Club Experiment: Belousov-Zhabotinsky Reaction”

    • yz250ftony March 6, 2011 at 6:40 pm

      ahhh very cool! few years back, my chem teacher mixed his up as a demo for fun. her concoction had more vivid colors, but still had the same cycling. how do you stumble upon these mixtures to discover this???

    • SEThatered March 25, 2011 at 3:55 am

      @yz250ftony
      Incidentally: Boris Belousov discovered this “oscilating mix” while researching blood chemistry and glucose cycle.

    • MrConstanto March 26, 2011 at 3:09 am

      very nice!)
      thank for your “steps”,I do this reaction today and it’s amazing!

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