PHY 114: Absorption of Nuclear Radiation Abstract: The purpose of this experiment was to determine the mass thickness attenuation factor for beta rays when they pass through polyethylene sheets of varying thicknesses. This was done by using an apparatus that measured the seven different intensities and then taking these values‚ putting them through a number of calculations and finally generating a graph of ln(I_corr) versus the thickness of the polyethylene sheets. Once this graph
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Determining Red 40 Concentrations Using Absorption with Beer’s Law Introduction I like color and enjoyed learning about wavelengths and the spectrum of light‚ so I considered incorporating something related to that into my Internal Assessment. We also had just used concentrations in our Group 4 Project‚ so when I found an experiment that dealt with both of these I thought it was a great idea. This experiment is not completely original; the basic concept has been used multiple times. It uses Beer’s
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The goal of this experiment was to measure spectroscope position to calculate wavelengths of line emission spectra while also using this data to determine the unknown mixture of the flame emission procedure of the experiment. The original hypothesis was that the spectroscope would show multiple different line emission spectra in which the ΔE would be negative there was an emission of light as the electron’s decreased in electron transitions. This hypothesis was proven correct‚ as well as‚ the unknown
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3.5.3 X-Ray Diffractometery (XRD). The crystallinities of pure Zolmitriptan‚ excipients and liquisolid system were evaluated by XRD measurement. It has been seen that polymorphic changes of the drug are important factors‚ which may affect the drug dissolution rate and bioavailability(135). The X- ray diffractogram of pure Zolmitriptan Figure (25) exhibited several sharp peaks at different angle (2Ɵ)‚the three strongest angles were 19.2 Ɵ‚ 21.9 Ɵ and 23.8 Ɵ ‚other angles were 12.2 Ɵ‚13.7 Ɵ‚ 14.2
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the forming Butyl 2-Cyano-(3‚5 dichloro-phenyl)-2-propenoate. The analyses that were used to prove its composition and structure include; IR spectroscopy‚ thin layer chromatography (TLC)‚ and CHN analysis. A radical copolymerization reaction was conducted‚ with the initiation by radical initiator 1‚1’-azobiscyclohexanecarbonitrile. CHN analysis‚ IR spectroscopy‚ and Proton NMR analysis were used to prove its composition and structure. 1. Introduction The American Chemical Society databases were investigated
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compounds (Wikipedia may be helpful). What would be a good estimate for the pKa of Eugenol? Eugenol‚ pKa=10.19 at 25 degrees C. 3.) The recovered clove oil will be analyzed by Infrared Spectroscopy. What are the basic principles of Infrared Spectroscopy (can be included in the introduction if you prefer). How will we be able to distinguish between Eugenol and Acetyleugenol by IR sprectroscopy? Molecule atoms act like they are connected by flexible springs instead
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(III) chloride were synthesized and isolated. From the ultraviolet-visible spectrum‚ infrared spectrum‚ and molar conductivity each compounds was distinguished and characterized to show fundamental differences between the three. Furthermore‚ IR spectroscopy is suitable for distinguishing between the nitro- and nitrito-linkage isomers because they have different vibrational patterns from one another. Given enough time‚ the more stable thermodynamic linkage isomer [Co(NH3)5NO2]Cl2 will be formed as
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this experiment‚ the nature of linkage isomers will be observed on the example of nitritopentaamminecobalt(III) Chloride and nitropentaamminecobalt(III) Chloride. Their relative stability will be compared on standard conditions and the infrared spectroscopy of both the isomers will be obtained to analyze the characteristic absorption bands for the nitro and nitrito group. Yield for nitritopentamminecobalt(III) Chloride was obtained to be = 1.9221 g(73.24 %) and yield for nitropentamminecobalt(III)
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RAMAN inactive Liquid Particle Explorer: Number Size‚ Composition in Minutes Image Analysis 5µ m 9 Liquid Particle Explorer: Number Size‚ Composition in Minutes 8µ m Automated Spectroscopy 10 Liquid Particle Explorer: Number Size‚ Composition in Minutes RAMAN Spectroscopy laser spectrometer 11 nodge ccd- detector Liquid Particle Explorer: Number Size‚ Composition in Minutes Documentation data tracking 12
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The purpose of this lab was for students to familiarize and perfect the simple distillation method to produce 4-Methylcyclohexene and to gain experience using an IR spectroscopy to characterize the product of the reaction in favor of equilibrium. B. Results and Discussion: C. Experimental: 24 mL of 4-methylcyclohexanol‚ 5mL of phosphoric acid‚ and 1mL of concentrated sulfuric acid was added to a 250 mL round bottom flask and mixed thoroughly with a magnetic stirrer. A simple distillation
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