Testing for pH and Reducing Sugars in Local and Foreign Tomatoes and Cucumbers
Today we juiced some local and foreign tomatoes aswell as local and foreugn cucumbers and we split the work up. 1 student was tetsing pH...
pH and Benedict's Test on Local and Foreign Oranges
Today we were very excited because we started new tests in the lab!!! We tested for pH using two methods: (i) A rough method using...
Testing for Vitamin C in Local and Foreign Cucumbers
Over the weekend we managed to procure some foreign and local cuucmbers. We peeled the cucumbers and juiced them and then followed the...
Testing for Vitamin C in Foreign tomatoes
Today we repeated the same procedure for Vitamin C on foreign tomatoes. We kept the procedure the same as it was on Tuesday, however, we...
Test for Vitamin C on local oranges
The task for today was to test for vitamin C in Local Oranges. The same procedures as yesterday were employed. (i) We peeled 4 oranges...
Test for Vitamin C in Foreign Oranges
Today we modified our test for Vitamin C in order to make the orange juice smooth enough to allow pipetting in the 25mL volumetric...
Test extraction and Test for Vitamin C
Today we got some foreign oranges to the laboratory in order to extract juice from them. We used the traditional orange juicer in order...
Preparing a standard solution!
We were asked to bring our lab coat today. We prepared a standard solution of iodine together. First we weighed 1.3g of iodine and then...
Titration Calculations!
In break we were given some test calculations of titrations. Titration calculations are rather tricky until you get the hang of them. We...
Research on the Chemical Tests!
Today we all brought in our research about the methodologies we would need to use during our project. Amy was assigned salts and iron and...
