Using Iodine as an Indicator

In our “Vitamin C-itrus” project, students are shown how to make a Vitamin C indicator using corn starch and water. The instructions call for 2% or 10% iodine. Sometimes parents try to find the iodine at a science supply store. This isn’t necessary; regular antiseptic iodine will work, as long as it is not the decolorized type.

Using iodine as an indicator is an easy but fascinating way to show the presence of vitamin C.

If you’re interested in doing this project, visit “24 Hour Science Projects“.

Related posts:

  1. Vitamin C – Using an Indicator
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  1. Science Fair Topics | 24 Hour Science Projects says:
    October 29, 2009 at 9:23 pm

    [...] Vitamin C in Orange juice change over time? This is a slightly more advanced version of our popular Vitamin ‘C’itrus’ [...]

  2. Middle School Science Projects – They’re Here! | 24 Hour Science Projects says:
    November 22, 2009 at 12:18 am

    [...] Vitamin C in Orange juice change over time? This is a slightly more advanced version of the popular Vitamin ‘C’itrus’ [...]

  3. Middle School Science Projects | Elementary Science Projects says:
    December 1, 2009 at 7:56 pm

    [...] Vitamin C in Orange juice change over time? This is a slightly more advanced version of the popular Vitamin ‘C’itrus’ [...]