The chemicals that make up the color are called pigments ... As you watch the salt water mix with the food coloring and move through the filter, what do you notice about the color? Are your results ...
1. Carefully pour some milk in a dish so it just covers the bottom. 2. Gently add one or two drops of red, blue, and yellow food coloring to the same spot in the center of the milk. 3. Dip a cotton ...
One example given in the hearing by Califf and his deputy, Jim Jones, the FDA's first-ever deputy commissioner for human foods, was Red No. 3, a food dye, or color additive, made from petroleum that ...