Thin Layer Chromatography Submitted in partial fulfillment of the requirements for: CHE 324 Organic Chemistry Laboratory Dr. Robert Duncan Fall Semester 2012 Caitlin Inman‚ Team Leader October 9‚ 2012 Tyler Byrd‚ Data Collection Shared Role‚ Technique Expert Introduction: “Chromatography is used to separate components of a mixture. For example‚ imagine a mixture of wood pieces‚ pebbles‚ and large rocks to be separated and the chromatography setup as a stream. Flowing water
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Measurements and Density Objectives: A. To determine the density of Aluminum (lit. value = 2.7 g/cm3) by determining its mass‚ and measuring its volume by dimensional analysis and water displacement. We will also examine the % error in our determination based on the literature value. B. To determine the mass and diameter of select ball bearing. Plot graphs of mass vs. diameter‚ mass vs. surface area‚ and mass vs. volume. Afterwards use slop of the mass vs. volume graph to determine density. Procedure:
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foreground the composition‚ wearing a flowing white skirt and a corset of white straps that wrap around her shoulders and upper body. Kahlo’s breasts are exposed and the front of her upper body is bisected‚ revealing that “her spinal column is replaced by a broken Doric column.” In addition‚ several nails protrude from the skin on her face‚ arms‚ torso‚ and legs. In the background‚ a blue sky with white clouds hangs over the cracked‚ fissured landscape where Frida stands. Unlike The Two Fridas‚ this
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Finding Density Density is defined as mass per unit volume‚ which can be used to determine the object or substance observed. Many people use the density of objects to find what it is and how to classify the object. The object of the lab conducted was to find the density of the substances given and to find what the unknown liquid and solid were. The process to finding what the unknown solid and liquid were‚ was to find the density and to conduct multiple trials so when the density
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Role of the Physical Layer‚ Data Link Layer and Network layer for the in Network Transmissions for DotCom The Role of the Physical Layer‚ Data Link Layer and Network layer for the in Network Transmissions for DotCom As the Network Manager of NotCom‚ my goal is to plan and implement the corporate network services strategy that is the best fit for the future needs of the organization as the growth from 20 to 150 employees is realized. To reiterate‚ all employees have PCs that are a part
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Appendix B (SQL Injection) Appendix C (Top 10 Security Flaws) References Page 1 Page 1 Page 1 Page 2 Page 2 Page 4 Page 5 Page 5 Page 6 Page 7 Page 8 Page 9 Application Layer Security 1 Abstract The purpose of this paper is to identify common application layer security holes‚ describe common fixes of these problems and discuss the importance of application layer security in development of software. This paper will also discuss common practices for securing applications. The three main aspects of
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Column-Level Security with Information Design Tool: Using Business Security Profiles to Secure Objects and Customize the Reporting Experience One of the new universe security features in Information Design Tool (IDT) is the Business Security Profile‚ which allows universe designers to assign column-level security on objects and apply profiles directly to users and groups. Business Security Profiles provide advanced and flexible object security‚ which is an overall improvement compared to the all-or-nothing
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coefficient of friction to prevent skidding of vehicles. 4. Smooth surface to provide comfort to road users even at high speed. 5. Produce least noise from moving vehicles. 6. Dust proof surface so that track safety is not impaired by reducing visibility. 7. Impervious surface‚ so that sub-grade soil is well protected‚ and 8. Long design life with low maintenance cost. 1.3 TYPES OF PAVEMENTS The pavements can be classified based on the structural performance into two‚ 1. Flexible pavements
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The upper layer of the atmosphere surrounded by ozone (15 to 30 Kms) is known as ozonosphere. Ozone layer is a protective stratospheric layer‚ also known as ozone umbrella. Ozone concentration differs by about 10 ppm in stratosphere compared to 0.05 ppm in troposphere. It acts as a protective shield for the man‚ animals and plants by filtering out the lethal ultraviolet rays from reaching the earth’s surface. If the ozone layer is not there‚ the harmful ultraviolet rays will reach to the
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Experiment 5 Title : Thin Layer Chromatography Objectives: i. To distinguish polar and non-polar solvents. ii. To familiar with the analysis technique by using the thin layer chromatography. iii. To differentiate the retention factor‚ Rf for different compounds. [pic] Result: |Compound |Distance traveled by the compound | |o-nitroanaline |2.45
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