The Pop

Topics: Color, Chemistry, Pigment Pages: 4 (921 words) Published: January 3, 2012
1 Mixtures and Solutions: Candy Chromotography

Background Information and Research

Biochemists often use this method of separation when studying amino acids or other chemicals from living things.Also they use it to separate a solution with multiple components with different polarites.People use chromoography to find the things in milk,find out what chemicals are in black ink, also determine whether something is hazardous or not.


The purpose of this experiment is to see what kind of dyes and colors are in the candy’s colored coating.Also to see what kind of things are in it. Materials:
Candy with a colored coating, like Skittles® or M&Ms® (4 different colors) • Rubbing alcohol or isopropyl alcohol
• Coffee filters (2)
• Tall glasses or plastic cups (2)
• Pencil
• Ruler
• Tape
• Foil or paper plate
• Table salt
• Water
• Toothpicks or cotton swabs (4)
• Measuring cups/spoons
• Clean pitcher or 2-liter bottle

1. Coffee filters usually are round, but it's easier to compare your results if the paper is square. So your first task is to cut the coffee filter into a square measuring three cm by nine cm square from a coffee filter. You will need two of these strips to complete the lab.

2. Space four drops of water (or however many colors you are testing) equally distant on a piece of foil or plate. Position one candy of each color on the drops. Give the color about a minute to come off into the water. Dispose of the candy.

3. Using a pencil (do not use a pen), draw a line one cm (1/2 inch) from the edge of one end of one strip of paper.

4. Make four pencil dots (one for each color of candy you will be examining) along this line, about 0.5 cm (1/4 inch) apart. Underneath each dot, label the color of the candy you will test on that spot. You won't have space to write...
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