science project HELP!!

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science project HELP!!

Postby giannamaria » Wed Oct 03, 2012 2:46 pm

Hello,

I am trying to start my project on how to determine the vitamin c on cooked potato. the material needed to determine the vitamin c is iodined based chemical which i asked my teacher to help me get but she is not..... can you please let me know what kind of iodine my mom went to the pharmacy and they are ordering one for her but it is the same or not what else would i need to determine the vitamin c.

thank you :(
giannamaria
 
Posts: 1
Joined: Wed Oct 03, 2012 8:08 am
Occupation: Student: 9th grade
Project Question: Title:determine vitamin c amount in cooked potato
It requires idodine based chemicals what kind of iodine will mesure vitamin c
is there different kinds, would i have to mix it with starch mixture and H2S04 sulfuric acid. how would i do that ?
thanks
Project Due Date: 10/18/12
Project Status: I am just starting

Re: science project HELP!!

Postby heatherL » Thu Oct 11, 2012 12:51 pm

Hi Giannamaria,

It sounds like you are interested in doing this Science Buddies project:
http://www.sciencebuddies.org/science-f ... ml#summary

This is listed as an abbreviated project idea in Science Buddies, but it uses the method for measuring Vitamin C in this project:
http://www.sciencebuddies.org/science-f ... p044.shtml

The chemical you want is called Lugol's iodine solution. You can purchase a kit with all the materials for the project from the link on this page:
http://www.sciencebuddies.org/science-f ... #materials

I hope that helps. Please post if you have more questions!

Heather
heatherL
Moderator
 
Posts: 889
Joined: Tue Sep 06, 2005 3:59 pm
Occupation: Professor
Project Question: How do different animals adapt to their environment?
Project Due Date: N/A
Project Status: Not applicable


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