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EXPERIMENT

Colorant test


This is an experiment of coloring natural colorant or artificial colorant and such are included, candy or juice .

If it do not fall, is washed with water and yarn coloring to become~　artificial coloring has used.
If color comes off, natural colorants are used.
Preparation　things
Shall be prepared wool several of Preparation (large) cup white vinegar chopsticks spoon pot heat resistance food you want to experiment, such as candy juice
I used (grape, peach, Muscat, Orange) coffee, tomato juice, candy this time.　


The experimental procedure
Comminuted solid stuff such as (1) candy, and stir well to put the amount of water twice was placed in a glass. Then, spoon
Add vinegar one　cup.


(2) the thing of the shape of a liquid, such as juice, fills a glass with the sixth minute, and a spoon is full of it -- a part -- put in vinegar.
(3) Put the glass of (1) and (2) into the pan into which water was put as the half, and apply to fire.
(4) It puts in five woolen yarn at a time, respectively, and heat it for 20 minutes.

(5) Finished heating　later By taking the wool, such as disposable chopsticks

Result　
Candy grape, Muscat, of Peach can't coloring,
Color sticks each of orange candy, coffee tomato juice, I did not fall even if I wash it.

Wool was stained with tomato juice



Yarn dyed in candy orange



Wool was stained with coffee


Consideration
I can see that the artificial coloring is included candy orange, tomato juice, coffee from the results of this experiment.
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