Miixtures and solutions

The purpose of this lab is to examine and see the different colors that make up ACH marker, We will he able to tell by the strips of chromatography paper mixed with salt solution.

Materials: Pour different markers (including one black permanent marker) Rubbing alcohol or spoilsport alcohol Coffee filters (2) Tall glasses or plastic cups (2) Pencil Ruler Tape Table salt Water Measuring cups,’spoons Clean pitcher or 2-titer bottle Procedure: 1.Cut the coffee filter into a rectangle measuring three CM by nine CM. Do this device. 2 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, 3, Make four dots and label which marker s being tested. 4.

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With the markers, make dots with the different colors and let them dry, S, Prepare the salt solution by mixing 1/8 teashop)n to salt and three cups Atwater in a clean pitcher or 2-liter bottle.Stir or shake the solution until it is dissolved. 6. Pour solution into a glass, 14th inch high.

7 _ Tape the strip to a pencil and rest the pencil on top of the jar so that the strip hangs into the jar. The goal is to have the end of the chromatography strip just touching the surface of the solvent solution, faith the colored dots above the surface of the liquid. Make sure that the colored spots do not come in direct contact With the liquid in the bottom Of the glass. _ The solution Will pass through the dots, drawing up color.

When its at the end of the paper, remove it from glass.