In this experiment the objective is to separate dyes in washable markers to see how many different dyes are combined to create one color. The technique used to separate the dyes in this experiment is called chromatography. The materials used consisted of – 3 pieces of chromatography paper‚ a tall clear glass‚ water‚ table salt‚ 1 tsp. measuring spoon‚ an 8 oz. measuring cup‚ pencil‚ ruler‚ 6 washable markers‚ and paper towels. The markers used in this experiment have to be water soluble therefore
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Matt Cramer Alex Chen 2/7/17 Food Dye lab Spectroscopy of Food Dye Lab Introduction You’re coming off the field after a hard fought game against your rival team. You are needing a drink and you grab a blue Powerade off the managers table. The drink delivers the electrolytes needed to sustain throughout the rest of the day. Then‚ the athlete starts to think how much of his blue Powerade is actually made from the blue food dye. The food dyes have had a tremendous affect on global economics
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Callie Taylor English 101 9/6/13 Here is the writer’s checklist for this essay: Writer’s Checklist for Evaluation Essay 1. Have I included a clear description of the subject I am evaluating? 2. Does my thesis clearly state my opinion of the subject I am evaluating? 3. Have I used effective criteria to evaluate my subject? 4. Have I made a clear and fair judgment about each evaluative criterion? 5. Have I supported each judgment with specific details and examples? 6. Have I ended
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Chromatography of Food Dyes and determination Of the Dyes Present in M&M Candies Procedure To complete this lab‚ I first mixed the solvent solution consisting of the proper ratio of water‚ salt‚ and isopropyl alcohol in a Pyrex measuring cup. I then prepared my chromatography papers for 2 trials by drawing‚ with a pencil‚ the appropriate lines and labels. Using a toothpick‚ I added the color to the paper‚ and then repeated until the color was strong. I repeated this step several more times
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purpose of this lab was to determine the food dyes present in a selected beverage‚ their concentration‚ and then replicate the solution within a 20% margin of error. The beverage we chose was Gatorade Frost Riptide Rush. A spectrometer was used to determine which food dyes were present in the sampled beverage‚ red 40 and blue 1 were determined to be present. The next step was to determine the concentration of the dyes‚ this was done by testing the absorbance of the red 40 and blue 1 dyes at varying
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Biology Lab report #1 The uptake of neutral red dye in a yeast cell using different solutions Abstract Every cell transports materials in and out throught something called a membrane. There are many different methods of transport in the cell Saccharomyces cerevisiae (Serrano‚ 1977) We want to know does adding higher concentrations of azide more effectively block dye transport? We tested the transport of dye in yeast cells with a metabolic inhibitor. When we did this we showed no difference
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Tie-dye is a modern term coined in the mid-1960s in the United States for a set of ancient resist-dyeing techniques‚ and for the products of these processes. The process of tie-dye typically consists of folding‚ twisting‚ pleating‚ or crumpling fabric or a garment and binding with string or rubber bands‚ followed by application of dye. The manipulations of the fabric prior to application of dye are called resists‚ as they partially or completely prevent the applied dye from colouring the fabric.
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What do you think of when you think of tie dye? I know I automatically think of hippie’s in the 1960’s and 1970’s. Today‚ many of us who wear tie dye feel some connection with that peace loving hippie spirit! Ironically‚ did you know that the first tie dye was worn by Japanese warriors as early as the fifth century (www.peaceloveandtiedye.com)? Tie dye is something that has actually been around for centuries. There have been many changes in tie dye through out the centuries. Now tie dye has evolved
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spp and its application in dye decolorization Project supervisor: Dr. R. Masalu Lab scientist: Mr. Chuwa INTRODUCTION: Due to rapid industrialization and urbanization‚ a lot of chemicals including dyes are manufactured and used in day-to-day life. Dyes are synthetic and aromatic molecular structural compounds. According to their dissociation in an aqueous solution‚ dyes can be classified as acid‚ direct reactive dyes (anionic)‚ basic dyes (cationic) and disperse dyes (nonionic). They are used
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Discussion: My results show the following: The unknown component traveled at a distance similar to the spice time blue dye. However‚ there are a few limitations within this experiment. The accuracy of the length of the component was difficult to record. The ruler that we used was degraded and thick‚ making it hard to read the length. The dyes could also cause error to occur. Everything has an expiration date‚ depending on how old or how new the dye is‚ it could affect the outcome. 1. Why is it important
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