PAPER AND THIN-LAYER CHROMATOGRAPHY Lab 47 Michael Stravino‚ CHM 2211L‚ June 3‚ 2012 Abstract Thin-Layer Chromatography and Paper Chromatography can be used to identify identical compounds‚ unknown compounds‚ the number of components in a mixture‚ as well as other important uses not explored in this laboratory. This experiment explores these techniques to identify an unknown amino acid by TLC and analyze food colors using paper chromatography. By using 2.0 mL of dimethoxyethane and 18 mL of
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Chapter 6 Homework Solutions 6-16 Sales budget‚ service setting. 1. Rouse & Sons | 2011 Volume | At 2011Selling Prices | Expected 2012Change in Volume | Expected 2012 Volume | Radon Tests | 12‚200 | $290 | +6% | 12‚932 | Lead Tests | 16‚400 | $240 | -10% | 14‚760 | Rouse & Sons Sales Budget | For the Year Ended December 31‚ 2012 | | | | | | Selling Price | Units Sold | Total Revenues | Radon Tests | $290 | 12‚932 | $3‚750‚280 | Lead Tests | $240
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Environmental Product Differentiation: IMPLICATIONS FOR CORPORATE STRATEGY Forest L. Reinhardt roducers of toilet tissue‚ outdoor wear‚ tuna‚ beef‚ investment services‚ trash bags‚ and herbicides have recently positioned their products as environmentally preferable‚ with the idea of capturing a price premium‚ winning new customers‚ or both. Managers are looking for ways to reconcile their need to deliver shareholder value with intensifying demands for improved envirofimental performance. Perhaps
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Biodiversity of the Indian Desert and it´s Value Amit Kotia and Ashwani Kumar Biotechnology Lab‚ Department of Botany University of Rajasthan‚ Jaipur – 302004 INDIA Abstract The state of Rajasthan is situated between 23º3’ and 30º12’ N latitude and 69º30’ and 78º17’ E longitude . The total land area of the state is about 3‚24‚239 km² ‚ out of which about 1‚98‚100 km² is arid and the rest semi arid. The physical features are characterized mainly by the Aravallis and to the some extent by
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The Current Position of the Textile Industry in Bangladesh Today‚ the textile industry of Bangladesh can be divided into the three main categories: the public sector‚ handloom sector‚ and the organized private sector. Each of these sectors has its advantages and disadvantages. Currently‚ the organized private sector dominates‚ and is also expanding at the fastest rate. Public Sector The public sector is that portion of the industry controlled by organizations that are part of the government
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A Basic Understanding of Microscopy Assignment 1 Kaplan University-Microbiology Since microorganisms are not visible to the eye‚ the essential tool in microbiology is the microscope. One of the first to use a microscope to observe microorganisms was Robert Hooke‚ the English biologist who observed algae and fungi in the 1660s. In the 1670s‚ “Anton van Leeuwenhoek‚ a Dutch merchant‚ constructed a number of simple microscopes and observed details of numerous forms of protozoa‚ fungi‚ and bacteria”
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Druckfreigabe/approval for printing Without corrections/ ohne Korrekturen After corrections/ nach Ausfçhrung der Korrekturen ` j89 1 2 3 4 5 6 7 8 9 Q1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ` Date/Datum: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Signature/Zeichen: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Nonantibiotics – An Alternative for Microbial Resistance: Scope and
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What causes global warming? Global warming is when the earth heats up (the temperature rises). It happens when greenhouse gases (carbon dioxide‚ water vapor‚ nitrous oxide‚ and methane) trap heat and light from the sun in the earth’s atmosphere‚ which increases the temperature. This hurts many people‚ animals‚ and plants. Many cannot take the change‚ so they die. The diagram below shows the causes global warming. Global warming is divided into two main causes which are man-made and natural
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Multi-Colored Fabric Dye From Talisay (Terminalia catappa) Leaves Extract Pauline Mariz Manuel Marjorie Marmeto Jiezel Ann Sescar Mrs. Ma. Regaele Olarte (Research Adviser) Statement of the Problem The researchers aimed to determine if the Talisay (Terminalia catappa) leaves extract could be developed as a multi-colored fabric dye. Specifically‚ the study sought to answer the following questions: 1. Can Talisay (Terminalia catappa) leaves extract be developed as a multi-colored dye? 2. Is
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------------------------------------------------- Question 1 1. ------------------------------------------------- ------------------------------------------------- An oral agreement to hire a person for two years is not enforceable. ------------------------------------------------- Answer True False 2 points ------------------------------------------------- Question 2 1. ------------------------------------------------- -------------------------------------------------
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