COLUMN AND THIN LAYER CHROMATOGRAPHY Mark Paul P. Pastrana‚ Mariah Ericka M. Patawaran‚ Princess Juneire M. Peligro‚ Francisco Q. Pua III‚ Rose Anne L. Quyo and Janille P. Ragpa Group 8 2B Medical Technology Organic Chemistry Laboratory ABSTRACT The main objectives were to separate the colored components of malunggay leaves by means of column chromatography‚ as well as to determine the purity of the components using thin layer chromatography (TLC) and measure the Rf values of the colored
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Purification of Acetanilide by Recrystallization Method Dupaya‚ Julian Victor M. Estacio‚ Jerwin Caesar A. Farnacio‚ Rebecca Ruth Gabito‚ Jose Luis F. Gallo‚ Cian Carlo M. Galvez‚ Joshua M. Group no.4‚ 2D-Medical Technology‚ Faculty of Pharmacy‚ University of Santo Tomas ABSTRACT Recrystallization is a method for purifying solid organic compounds. The process is dissolving the solid to be purified in a hot solvent and cooling the solution slowly‚ this allows impurities with different
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under control by lowering the birth rate. 1.Rise in Per-capita Income: Demographic history of various advanced countries shows that there is an inverse relationship between per-capita income and a country’s birth rate. When per-capita income increases‚ people don’t desire more children in order supplement their income. In other words‚ with increase in per-capita income‚ people feel more secure and do not want to depend on their children. Dumont‚ a noted demographer has developed the “Social Capillarity
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responsibilities in relation to the prevention and control of infection It is our responsibility as employees to take precautionary measures to prevent and control the spread of infection in the workplace. this involves working safely to protect myself‚ other staff‚ visitors and individuals from infections. Some of the legislation and regulations that relate to the control and prevention of infection include the Health and Safety at Work Act (HASAWA)‚ the Control of Substances Hazardous to Health (COSHH)
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Internal Control Procedures ASSIGNMENT 1. Who is ultimately responsible for the corporate governance of an organisation? The Board of Directors 2. Who else plays a part in corporate governance? Shareholders‚ auditors and other stakeholders. 3. Who are the stakeholders? A person‚ group or organisation that has interest or concern in an organisation. 4. List the corporate governance requirements a company needs to adhere to: The company has an adequate system of internal control in
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Discussion Paper No. 10-093 Maintaining (Locus of) Control? Assessing the Impact of Locus of Control on Education Decisions and Wages Rémi Piatek and Pia Pinger Electronic copy available at: http://ssrn.com/abstract=1739746 Non-technical summary This paper investigates the impact of an individual’s level of locus of control‚ a concept commonly used in social psychology (Rotter‚ 1966)‚ on educational choices and wages. We establish that more internal individuals‚ i.e.‚ who believe that
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This paper defines the four controls according to Travis Hirschi and also describes in detail an example of each of the four controls. The four controls according to Travis Hirschi are; attachment‚ commitment‚ involvement‚ and belief. Attachment is the first element of the social bond and it refers to the individual’s level of sensitivity to the opinion of others. To the extent that individuals are emotionally attached to others‚ such as parents‚ friends‚ teachers‚ and so on. They will be concerned
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TwentiOs People often refer to the decade of 2000 - 2009 as the 00’s or TwentiOs. Time magazine’s front cover considered it to be‚ “The Decade from Hell” (MACKAY‚ Time Magazine Cover)‚ which was possibly politically referred. However‚ many historical events occurred through the decade‚ along with technology at their highest‚ change in the way our society socialized‚ and millions of dollars spent whether people felt we were in a recession or just crying wolf. Currency was still circulating through
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Border Control I feel that border security should be a priority and it is important to me because of the consequences we are currently suffering from and will continue to suffer from. We have decades of children that will depend on us to resolve these issues now rather than lay the burden on them. Even if Border Security is dealt with successfully‚ the radical terrorist threat will continue and will be able to be dealt with more easily because of the progress we will be able to make at home domestically
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Running head: FORMAL RESEARCH VS. BUSINESS PROPOSALS Formal Research vs. Business Proposals Lauren Wallace AIU Online Formal Research vs. Business Proposals Research can be done for many different reasons. Research can be done to test a theory‚ explore a subject‚ or to fix a problem. Business research typically leads a manager or employee to make informed decisions on how to deal with a problem (Sekaran & Bougie‚ 2009). Becoming a good manager requires an individual to be knowledgeable
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