Candy Chromatography Lab Report

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Candy Chromatography Lab
Paper chromatography is the ability to separate specific parts of a mixture, in order to identify its content. There are many forms of chromatography, but paper chromatography tends to work with substances such as dyes, inks, or any colored chemical. In the fields of biology, paper chromatography benefits police that need to test blood. It can also be used by chemists to test substances in their labs. Lastly, it can be used to identify compounds that may be in a plant substance.
The purpose for conducting this candy chromatography lab was to figure out which colors of skittles were not shown, by separating the pigment out. In this lab, the materials needed were four different colored skittles, rubbing alcohol, two coffee filters, two tall glasses or plastic cups, a pencil, ruler, tape, foil or paper plate, table salt, water, four toothpicks or cotton swabs, measuring cups/spoons, and a clean pitcher. The first step in conducting the lab was to cut the coffee filter. We had to cut two, 3 by 9 cm rectangles. Next, I dropped four drops of water onto a piece of foil, and did not allow them to touch. Then, I put one skittle of each color on the drop, and waited for the color to soak in. Then, I threw away the skittles. I then drew a line one cm from the edge of one end of one strip of paper using a pencil. Then, made four pencil dots along the line, 0.5 cm apart. Underneath the dot, I label the color of the candy you will test on that spot, using abbreviations. I used the colors red, …show more content…

The red and blue were most visible and were near the purple. Blue and yellow were also seen on the green. The solution line made it to around 55-60%. After a few minutes had gone by waiting to see the results from the alcohol solution, the colors showed up well. It also took about twenty minutes, and the colors showed up

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