Kool Aid Cherry Drink Sachet 3.6 g

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Set the multimeter to read resistance again. Remember that you might have to adjust the range as you take different readings. What other factors can influence the dyeing results? During the adsorption process, the Red 40 dye and the wool fibers are forming an ionic bond, which gives the wool its color. Can you disturb the chemisorption by adding another salt to the dyeing bath that competes with the Red 40 for bonding locations at the wool fibers? Compare your dyeing results in dyeing baths with and without extra salt addition. The History of Kool-Aid". Hastings Museum of Natural & Cultural History. 2008. Archived from the original on February 5, 2009 . Retrieved April 3, 2009. Thoroughly rinse and dry the measuring cup and the spoon and mix 150mL from jar #2 with the water in jar #3.

After you have finished building your circuit, testing the spectrophotometer is necessary to ensure that all the electronic components are connected correctly and your device works as expected. Note: Stray light will cause problems and may result in fluctuating data. Perform the readings in a dimly lit room if stray light is a problem and make sure to always place the cuvettes into your device the same way. It also helps to make sure that the cardboard box is always placed on top of the breadboard the same way, meaning that the same side should be facing toward you at all times.Grab the vodka. Using the jigger measure out 0.5 oz of vodka and toss it into the glass. Step seven https://www.youtube.com/watch?v=ts0EVc9vXcs • Turn on the LED by connecting the jumper wire from B15 to the power (+) bus. Prepare your blue-green absorption filter, by adding 120mL (or 1/2 cup) of water-vinegar mixture into an extra cup. Add two drops of blue and two drops of green liquid food color dye and mix the solution well with a clean spoon.

Place one empty cuvette, upside-down, over the LED; and another empty, upside-down cuvette over the photoresistor. If the cuvettes are not clear on all sides but have two grooved or frosted sides, make sure that you put the clear side facing towards the LED as well as the photoresistor. Bend the LED and photoresistor as needed to fit underneath the cuvettes. Does the adsorption isotherm look the same for a different color; for example, the food dye Blue 1? Repeat this experiment, but this time use a different flavor of Kool-Aid that contains the food color Blue 1 instead of Red 40. Remember to change your adsorption filter for the spectrophotometer from a blue-green color into an orange color (2 drops of yellow and 2 drops of red food dye in 1/2 cup of water-vinegar solution).

After 1h take a sample from each dye solution using a clean pipette and transfer it into a labeled and clean cuvette. Measure each sample and the blank sample three times on the spectrophotometer, as described starting at step 12 in the section The result is a treat that’s both refreshing and indulgent, perfect for those who enjoy flavor contrasts. With only 4 ingredients (yes…you read that correctly), thispie may very well be the answer to all of your dessert woes this summer!

As the term "isotherm" infers, the adsorption isotherms are only valid for a certain constant temperature. How do you think the adsorption isotherm will change if you change the temperature of your dyeing water baths? Will the adsorption equilibrium be very different? Does it take less time or more to reach the adsorption equilibrium with higher or lower temperatures? You can find out by repeating the dyeing experiment at different temperatures. Make sure you monitor your experiment long enough to reach adsorption equilibrium and choose your sample timing accordingly. Calibrating the Spectrophotometer). Make sure to label the cuvettes at the very top and take three measurements for each solution. Note: If the resistance of your solution exceeds the maximum resistance of your calibration curve, dilute your sample and measure again. You can do a 1:2 dilution in a fresh cuvette (1.5mL water-vinegar solution + 1.5mL dye solution) or a 1:6 (2.5mL water-vinegar solution + 0.5mL dye solution). Write down the resistance values for each of your samples in your lab notebook. These values will be your initial dye concentrations at time point 0 ( C 0).Make a graph that shows the concentration of adsorbed dye on the wool felt or yarn over time, plotting time (in hours) on the x-axis and the concentration of adsorbed dye (in mg/mL) on the y-axis. How do the graphs look for each dye concentration? Do you see that the adsorbed dye concentrations level off after some time? Once adsorption gets to a plateau, the adsorption equilibrium is reached. Transfer the blue-green solution into a clean cuvette and place the cuvette next to the LED so that the clear sides face the LED and the photoresistor.. Graph the average resistance of your three readings on the y-axis versus the concentration of the standard solutions in mg/mL on the x-axis.

You may want to make two pies. This one didn’t last very long at my house. I’m thinking of making the next one with the tropical punch flavor. Calibrating the Spectrophotometer. Write down the measured resistance for each solution in your lab notebook. Remember to do dilutions for each sample that exceeds the resistance values of your calibration curve. Figure 4. Absorption spectra of the food dyes Red 40 and Blue 1. Note that the red dye absorbs light strongly at a wavelength of about 500 nm, which is in the blue-green part of the visible spectrum (see Figure 3 for colors and wavelengths). Blue 1 absorbs strongly at around 620 nm, roughly in the orange part of the spectrum. (Thomasson, 1998.) Fill up an empty pot that fits all seven jars one-third full with tap water and place it on the stovetop to heat the water up until it boils. This will be your water bath to keep your dyeing solutions at a constant temperature. Note: While working around boiling water, make sure to take every precaution to not burn yourself!In the 2L bottle or bowl, prepare a 4:1 water-vinegar solution by mixing 1600mL of tap water with 400mL of distilled white vinegar. After the slight delay in making a new crust, I added the cream cheese and sweetened condensed milk into the bowl of my electric mixer and mixed until well blended. Note: The instructions below are for building a string directly in the glass. However, you can build this drink directly in the shaker.