Infrared spectroscopy

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light (Torrice). In which, is not a desirable representation of clothing. Lastly, “Infrared Light is heat that you feel from the sun (Kudurna “CHM 110 Required Note Packet”).” Furthermore, from the article researchers are trying to develop clothes that can block this heat from the body and allowing for the material of clothing to breath efficiently. As stated in the article “Even cotton traps the skin's infrared radiation, making you sweat, but a new nanoporous fabric lets it out (Torrice).”…

Shawana Khokher ID # 20580504 Lab Partner: Dana Tucci Teaching Assistants: Katarina Vuckovic & Monica Gromala Section # 003 BIOL 130L (B2 149) Tuesday (9:30am -12:20pm) Date of Experiment: 21/10/2014 INTRODUCTION The purpose of spectroscopy is to observe the relationship between substances in a solvent, and the associated absorbance and transmittance through a range of concentrations (Lothian & Twyman, 1969). However, one must understand the underlying principles of the…

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Introduction: The ability of substances within a solution to absorb light is a wonderful phenomenon as it aids in processes such as determining the concentration of proteins. The way that a solution absorbs light is due to the photoelectric effect. The way the photoelectric effect works is that when light comes in contact with the sample, the photons of light will react with its electrons. As the light travels through the solution, "a photon of light may interact with an electron ... [where]…

Photoacoustic spectroscopy (PAS) is a tool to study thermal emission resulting from non-radiative relaxation followed by absorption of radiation. PAS was studied primarily by Alexander Graham Bell, John Tyndall, Wilhelm Rontgen and Lord Rayleigh in 1884. For the history of PAS, was not until 1975 that photoacoustic spectroscopy started to be used as a wide range of different applications. This technique provides the following main advantages over the known types of spectroscopy. The advantages…

The dielectric loss factor was the most influenstic parameter in this microwave spectrum. The loss factor values increased as a function of frequency and slight modification in spectrum on changing the solute concentration. The ε˝ values obtained in our experiments are almost similar to our earlier work[43]. Above 8GHz the frequency dispersion spectrum of ε΄& ε˝ were superimposed with each other. The spacing between the dielectric values in dispersion spectrum could be attributed to…

Tribological behavior of double-glow plasma Zirconium-Yttrium alloying on γ-TiAl Cong Huang, Pingze Zhang*, Dongbo Wei, Xiangfei Wei, Xiaohu Chen and Feng Ding (College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China) * Corresponding author: pzzhang_nuaa@126.com Abstract: A Zr-Y alloyed layer was prepared onto the surface of γ-TiAl using double-glow plasma surface alloying technique (DG technique). The results showed that the Zr-Y…

PROCEDURE: Hirko, R. Chemistry 112L General Chemistry I Laboratory, Ninth Edition; bluedoor: Minneapolis, 2015; Experiment 4. Trial P/ppm Abs @ 400 nm / AU Volume beverage / mla Volume dilution water / mla Total volume of diluted sample / mla P in soda / ppm 1 0 .001 2 1.333 .160 3 3.333 .280 4 6.667 .585 U1 2.560 .228 .870 45.610 46.480 205.153 U2 2.607 .232 1.020 50.266 51.386 197.005 U3 3.374 .298 1.196 43.252 49.448 209.244 Ave 204 Unc ±12 RESULTS: The recorded…

Introduction The definition of water hardness, in its simplest form, can be explained as, “the amount of dissolved calcium and magnesium in water.” Water hardness can be attributed to groundwater systems naturally flowing through soil and rock. While doing so, divalent amounts of cations from mineral sources dissolve into the water supply (USGS). Water hardness is not harmful to people’s health. In fact, these minerals can be beneficial, as humans need minerals to survive. However, water…