Name: Bulose Sihle Student Number: 209504496 Date of Practical: 11 April 2013 Inductively Coupled Plasma – Atomic Emission Spectroscopy Aim The aim of this practical was to use an ICP-OES to perform a multi-elemental analysis of different types of tea. The elements that were analysed in the tea were copper‚ iron‚ manganese and magnesium. The sample is introduced into the plasma as an aerosol. Argon gas flows through three concentric quartz tubes in the plasma torch. This argon gas transports
Free Chemistry Concentration Analytical chemistry
1. KEY FACTS Industry: Retail Founded: Hong Kong‚ 1981. Founder: Jimmy Lai Headquarters:Hongkong Chairman & CEO: Peter Lau Products: Apparel Revenue: HK$ 4.95 billion (2007) [ Net income HK$ 2.36 billion (2007) Employees~ 11‚000 (2007) Subsidiaries Giordano Concepts Giordano Junior Giordano Ladies Website: http://www.giordano.com.hk 2. 3. 1. Viewpoint 2. Competition is always at the side of all business. While 3. maintaining our edge in the market we do not forget the 4. value our customers
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BACKGROUND Doing business and setting up green-field operations in India is a lot less difficult than is perceived‚ with a few twists. Often‚ these twists are due to lack of preparation and anticipation. This was the basic premise on which‚ Saint Gobain Glass began its Indian operations; and‚ the success the company has achieved bears testimony to the correctness of its basic operating philosophy. Saint-Gobain is a 338 year old France based global conglomerate operating in 46 countries and with
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The Element: Chlorine General Information We researched the chemical element known as chlorine. Chlorine has an atomic number of 17 and an atomic weight of 35.453. It has a valence number of 3. The element has 3 energy levels. Chlorine exists as a greenish-yellow gas at normal temperatures and pressures. Chlorine is second in reactivity only to fluorine among the halogen elements. Chlorine is a nonmetal. It is estimated that 0.045% of the earth’s crust and 1.9% of sea water are chlorine.
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Ques1. “Considerations must be sufficient but need not be adequate”- discuss. In Contracts‚ What is "Consideration"? In order for any contract to be enforceable‚ courts generally require three things: mutual assent (agreement to the contract terms)‚ a valid offer and acceptance‚ and consideration. Consideration in law is one of the three main building blocks of a contract. It can be anything of value‚ which each party to a legally binding contract must agree to exchange if the contract is to be
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Following the end of World War II two global powers emerged; the United States‚ a country with European allies‚ vast manufacturing capacity‚ and atomic weaponry‚ and the Soviet Union‚ powerful due to the sphere of influence it had consolidated over eastern Europe‚ and it’s sizable army. Confrontation between the two countries happened almost immediately‚ as the Soviet Union used communist ideology to facilitate expansion across Europe‚ installing communist regimes in Northern Iran‚ Poland‚ Romania
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felony but if the kidnapping is committed by a parent then it is a class one misdemeanor. If the kidnapping is done by a parent and that parent moves the abducted out of Virginia then it is a class six felony (USLEGAL.com‚ 2010). There are two key elements that are common to all charges of kidnapping. One is the removal or detention must be unlawful. The second one is that there has to be some aggravating circumstance must accompany the restraint or asportation (Lippman‚ 2010). The mens rea of
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Question 1 A Sydney tramway passenger was injured in a collision with another tram‚ which occurred after the driver collapsed at the controls. The plaintiff argued that the collision could have been avoided if the tramway authority had fitted the tram with a system known as `dead man’s handle’‚ a system in use on Sydney’s trains. According to my findings‚ Dead Man’s Handle refers to an old train device: the dead man’s handle. It was typically some form of switch that the driver would keep
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The idiom “there are plenty of fish in the sea” is not literally true. In fact‚ the documentary‚ The End of the Line‚ has estimated that by approximately 2050‚ there will be no fish in the sea. Overfishing is a serious issue that involves taking wildlife at increasingly higher rates than the species can replace. Because this issue is hidden under waters‚ people do not realize the seriousness nor do they realize the consequences. This film highlights some of the well-known species‚ such as bluefin
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would a typical neon element have? How many electrons does a typical lithium element have? Use that information to qualitatively describe the difference between the emission spectrum of neon and lithium. 10‚ 3‚ the greater the number of electrons the greater the number of emission lines on the spectrum 2. The dominant element present in the star’s spectrum to the right: Hydrogen 3. Is a toaster oven filament an example of an emission‚ absorption‚ or continuous spectrum? What about a neon
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