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How to test for vitamin C:

1. Draw up 2cm3 of lemon/Orange Juice (or the substance you're wanting to test for vitamin C) into a syringe.

2. Add it drop by drop into 2cm3 of a 0.1% solution of DCIP (a blue dye)

3. The dye will turn colourless if vitamin C is present

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13y ago

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Yes it does (I know because i did the test on orange juice) The more Vitamin C something has in it the less drops of that thing (in my case the orange juice) is needed for the DCPIP to go pale yellow. It is an awesome test! I would try it ( only if you have DCPIP and lots of different types of orange juice! Of course!)


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