4. Use the markers to draw a different colored dot on each of the appropriate pencil marks on the paper strip. Allow the ink to dry, and then go back and add more color to each dot. Before you complete the rest of the lab, make a prediction of the pigment components you expect to see from each marker’s ink. 5.
In the center the strips, about 3 cm from one end, place a dot of the marker to be tested. The dots should be about 0.2 cm in diameter and dark enough to be clearly visible. Place about 2 cm of water in each glass. Tape the unmarked end of each strip to the center of a pencil so that the strip hangs down when the pencil is held horizontally. Carefully insert the strips into the glasses, dotted end down.
Use the 1.0mm opening for 1.6mm fiber. Also trim the Kevlar to the ‘C’ length using the electrician style scissors. * Using the marker pen and the template card provided, measure and mark the buffer strip length as shown on the template. * Using the buffer strippers, strip off the buffer in at least two pieces. * Using a dry, lint-free wipe; Remove any remnants of the protective coating on the fiber after stripping the buffer.
Remove from the heat and allow to cool until you can hold it. 8. Put filter paper into funnel and put the funnel into the drip. 9. Slowly pour the beaker contents into the drip paper.
I picked out a 6H pencil and headed to my seat where my blank paper waited. I began my outline with the grid system, which allowed me to clearly see where the parts of Johnny’s body were positioned in the picture that I used for reference. With my 6H pencil, I began the introduction of Johnny’s body. I completed the first body paragraph with features like Johnny’s eyes, nose, and lips. To me, the eyes were the perfect shape and size; proportionate to the picture.
The tattoo artist will put on clean one time use throw way pair of gloves. They will then explain the sterilization procedure to the person getting the tattoo and open up the single-use, sterilized equipment (such as needles, etc.). Using a tattoo machine the tattoo artist will then begin to draw the outline of the tattoo under the skin. When finished the outline will be cleaned with antiseptic soap and water. The tattoo artist will next put thicker sterile needles on the machine for purpose of shading the tattoo.
Chromatography: Separating Mixtures Introduction: Magic marker inks are often mixtures of several compounds. Paper chromatography is a common method of separating various components of a mixture. After separation, you can observe the different colors that make up a particular color of magic marker ink. You can also calculate a ratio Rf, which compares how far each compound traveled to how far each solvent (substance that dissolves another substance) traveled during the experiment. Rf = Ds/Df Ds = Distance traveled by the compound Df = Distance traveled by the solvent Materials: coffee filter, tape, rubbing alcohol, water, 3 different color magic markers (not permanent); 3 identical tall, narrow drinking glasses; metric ruler, 3 pencils Pre-lab Questions: 1.
Do this before it cools or water will travel backwards into your tube and contaminate your solid product. I 1 Collecting a liquid product: If you loosely wrap a damp paper towel around the upper-outer section of the boiling tube away from the flame, you might be able to condense a gaseous produCt into its liquid ·state. In addition to this you should cut a large piece of qualitative filter paper in half and then fold it and theri curl it inside the boiling tube near the rubber stopper. If a liquid forms, the finer paper will help absorb it and prevent it from falling back onto the solid being heated. Make sure the rubber stopper is securely in place since gas can easily leak out.
Then, take your cloth or t-shirt and buff out the rest of your shoe so it shines. 6. Lastly, for extra shine – spray a little bit of water on the shoe and buff it with the soft rag. (Some people use spit)
Tyre arrives in the Retreading Center, it is cleaned carefully with water so, that dirt, dust and mud should all be removed successfully. b. Tyre is left for some time so that it may waterless or a drying device can be used for this purpose. c. Initial examination is carried out to verify that casing is acceptable for retreading process or not. It is systematically examine inside and outside and marked with yellow colored chalk. d. Buffing: - The principal objective of buffing is to prepare the worn out tread surface of tyre to accept a retread.