Determine the main spectrum properties and use your functions to use the spectrum to obtain the absorption spectrum: At the end of this laboratory, students can: parts of the spectrophotemi and Its "drum" functions are related. The molecule, wavelength absorption is used to identify the dye in the colorful spectrum of the instructions . Lighting beach can be seen from 240 to 300 nanometers (Nm), pigments and dyes absorb light within 400- range 770nm and other organic molecules absorb wavelengths of more than 77 0nm. The strange alliance model and reducing or placing different light wavelengths in a single model for this chemist.
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This unique model of light absorption and transmission creates a "digital impression" for this chemist in this exercise, the impression "digital" only "identifies" for a molecule full. Colors and use spectrophotomins to concentrate chemicals in a certain sample 1: Lighting and gearbox measurement or transferred by molecules in the solution because the molecules have the only wavelength in their structure , some of their chemicals and concentrations can be identified as a function of their absorption or transmission. In a solution and to measure the concentration of these particles, a light source inside the spectrum emits a complete white light spectrum in a compartment in which a sample is placed. They do not absorb light and do not affect our measurements before the light with sample D in the cable, a adjustable prism and a tilting network of light, to a length of the wave. To go through the sample. All molecules are proud to distinguish a molecular connection in a simple or complex liquid of the liquid.
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The spectrum meter of the mixture is also used with the "white" solution that we prepare, containing all mps of the solution will be analyzed, except for the only connection we try, that is. The fact is that the device can be 0 readings and only inform the values ​​of interest in the interest is partly absorbed by the molecules in the sample. Absorption value The amount of light that is not absorbed is transferred or exceeded by the sample compared to the amount of light achieved in the sample. The emitted amount is measured by the percentage of the percentage transmission of the light transferred and measured on the linear scale from 0% to 100% Figure 3: The light is absorbed and through the optical case spectrum and photo detector and photo detectors on the other side of comparison d % t \) "\ Part I: Identify food dyes in food, rush and cosmetics approved by food color But each dye has a identified spectrum and FD to use FD&C dyes used in the product, they can be extracted from food and beverages below when the spectrum absorbs real. The product is 630nm and one to 428nm, it can assume that Re Nourish contains blue # 1 and gold # 5 Table the following leads to the wavelength of the PIC absorption for each Table 1 Length 1 of the maximum absorption of the maximum absorption of FD&C dyes are often used. The waterfall of the candy color is done for you) you need a test tube and a bowl for each color to check the amount of 4 ml of water in the tube.
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Place 2 to 4 sweets with the same color in the test tube with carefully removed water and wait a minute later, pour about 1 ml of liquid into the microcentrifugal tube to convert micro -tissue pipes at a maximum speed for 60 seconds. Er -Particles (Vien)