julianaraenapoleon julianaraenapoleon
  • 15-01-2019
  • Biology
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what are you testing for when you use lugols solution

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ciechonlacrosse ciechonlacrosse
  • 15-01-2019

You are testing for the presence of starch: Iodine dissolved in an aqueous solution of potassium iodide - reacts with starch producing a deep blue-black color. This reaction is the result of the formation of polyiodide chains from the reaction of starch and iodine.

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