1 TOPIC 4 Course Learning Outcomes Able to : 1. Explain the fundamental concepts & theories of separation techniques in SFC & SFE. 2. Sketch‚ label the schematic diagrams & discuss the function of each component in SFC & SFE. 3. Identify the strength & limitations of SFC & SFE technique. 4. Suggest and justify the most suitable & efficient separation technique to be employed for an analysis. 2 What is supercritical fluid? 3 Critical temperature (Tc) for any substance is a temperature
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caused the ink to move the least. (5 points) 4. What differences did you observe in how the different colored inks were separated? Answer: They were separated by each color of ink and how they were mixed together. Then when you use paper chromatography you’ll see all the different pigments of that separation. (5 points) 5. What observations would lead you to believe that the ink is actually a mixture? Answer: It’s a mixture because you have to originally mix things to get the ink color.
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Background Information and Research Paper chromatography uses selective adsorption on a strip of paper. It is used for separating and identifying mixtures that are or can be colored‚ especially pigments. This can also be used in secondary or primary colors in ink experiments. Is it used for Contaminants in rainwater‚ Analysis of narcotics‚ and Detection of substances in urine. Purpose • The purpose of this lab is to see the separation of dye on the candy. Data and Observations Marker Color
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In order to purify CelB2 protein bound to maltose-binding-protein‚ amylose affinity chromatography was performed. The amylose resin present in 20% ethanol was first diluted by adding 10 mL of 20 mM TrisHCl‚ pH 7.4‚ 0.2 M NaCl‚ 1 mM EDTA and centrifuged at 700 rpm for 5 minutes. After decanting the buffer‚ another 10 mL of TrisHCl‚ pH 7.4‚ 0.2 M NaCl‚ 1 mM EDTA was added to this resin solution and centrifuged at 700 rpm for another 5 minutes to further dilute the ethanol concentration in the resin
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Thin Layer Chromatography of Unknown Samples and Paprika By: Uyen Huynh Date: June 18‚ 2014 Lab Partners: Philip Murray Professor and section: M. Pandey‚ CHM2210L.601 Data: Analysis of Drug Store Items Knowns Rf Values Aspirin .91 cm Acetaminophen .85 cm Ascorbic Acid .86 cm Unknown .97 cm Identity of unknown mixture Acetaminophen Analysis of Paprika Pigments Spot Number Rf Color 1 1 Red-orange 2 1 Red-orange Calculations
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1.5 Limitation 6 2.0 Findings 7 2.1 Changing Pattern of Food Aid‚ Commodity Aid and Project Aid 7 2.2 Reasons behind Changing Pattern of Aid from 10 2.3 Divergent Source of Foreign Aid 13 2.4 Major Donor Countries in Bangladesh 18 3.0 Recommendation and Conclusion 19 3.1 Recommendation 19 3.2 Conclusion 19 Literature Review There exists a growing literature on the effects and flow of foreign aid and resources in Bangladesh. Among the very early studies‚ Islam
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Advantages and Disadvantages of international aids Cultural and economic advantages and disadvantages Introduction This chapter discusses the cultural and economic advantages and disadvantages for Australia that result from its Indonesian aid links. The discussed economic and cultural benefits include the long-term development of Indonesia and its region and the improvement of employment and investment opportunities for Australian businesses and of training opportunities. The discussed economic
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Econ Essay Foreign aid vs. international trade is a long lasting debate as to which strategy leads to the greatest level of economic development. Foreign Aid is defined as any assistance that is given to a country not provided through normal market forces. There are numerous forms of aid‚ from humanitarian emergency assistance‚ to food aid‚ military assistance‚ etc. Development aid has long been recognized as crucial to help poor developing nations grow out of poverty. International trade is the
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A. How has a hearing aid ‚ an energy sensing device‚ affected the way people sense energy? B. The hearing aid amplifies sound energy that comes into contact to the hearing aid. There are two types of hearing loss. 1. Sensorial hearing loss. This hearing loss is caused by damage to the cochlea‚ infections‚ genes‚ head trauma‚ exposure to loud noises or fluid buildup in the inner ear. This is the hearing loss that hearing aids can help with. 2. Conductive hearing loss. This occurs when sound does
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boosted their economies. Would a transformation of the ideological structure (harmonized‚ hybrid of ideological values) of aid‚ foster a positive impact on Africa’s responsiveness to aid? This section will unpack the fourth objective through conception of bilateral and multilateral aid‚ which explains who offers aid‚ how many institutions are involved and the ideological root‚ aid was founded on. Development should have been‚ “the war against global poverty‚ starting from the recognition that it is
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