For description look at title. If youd rather not have to make your own natural blue food coloring or would like an option that will work for an acidic recipe here is a link to another good natural blue food coloring.
While watching food coloring move through water is simple separating food coloring from water requires more effort.
Blue food coloring in water. While you can buy blue food coloring in any grocery store you can also experiment with. Add 10 to 20 drops of blue red or green food coloring yellow could be hard to see. Liquid gel food coloring is a little more concentrated and will make the final product more vibrant.
Water based liquid food coloring is easiest to find but it produces more diluted colors. Blue food coloring is often used in these types of demonstrations because it is easy to see and you can separate it from water within minutes. When food coloring is added to water it spreads throughout the water in a process called diffusion.
Where does blue food dye come from. You will probably not see the food coloring as the water rises through the stems and leaves since they are dark green and the food coloring will be obscured. While young children may think they are witnessing magic neutralizing the food coloring with bleach and baking soda is an example of the oxygen molecules in bleach binding to oxygen molecules in the water.
This sample will remain untouched and will serve as the control you are trying to replicate. Blue food coloring can be used to turn many different foods and beverages like frostings water and cocktails blue. Blue food coloring is added to cold water red food coloring is added to hot water what happens next will leave you in tears.
Pour a sample of the cola in a separate cup. The coloring continues to spread until all parts of the water contain an equal concentration of the dye. Some food dyes especially red colors can have a bad flavor if you use too.
Using eyedroppers add colored water from the 3 cups to the single empty cup in an attempt to replicate the. Blue food coloring is added to cold water red food coloring is added to. Using household ingredients you can conduct an experiment that illustrates how to neutralize food coloring in water.
How to make blue food colouring. Diffusion of the food coloring occurs passively meaning no outside force is required for it to happen. Prepare 3 cups of colored water using the food coloring.
Other natural blue food coloring option. Red is hot and blue is cold. If youre coloring water for a drink dont add too much food coloring.
Leave the flowers in the water for 24 hours.