Date:7.6.2013 Objectives: Part 1: (i)To learn the technique of TLC and the visualization of colourless components. (ii)Identify the unknown drug by a TCL comparison with standard components. Part2 :to learn the separation technique by using TLC plate in separating a mixture of compound by using spinach leaf. Apparatus:UV lamp‚capillary ‚250 ML beaker Materials:aspirin‚acetaminophen‚caffeine‚unknown A‚unknown B‚TLC plates‚ethyl acetate‚Hexane‚acetic acid‚iodine Introduction: Procedure:
Premium Thin layer chromatography Acetic acid
CORPORATE STRATEGY POSTER PRESENTATION HCL Enterprise Alagu Sundarraj S (11AD02) Industry Profile: Company profile: HCL Enterprise is a garage startup founded in the year 1976. It started as Microcomp and used brand name Televista for selling calculators. Shiv Nadar along with his ex DCM employees Ajai Chowdhry‚ Arjun Malhotra‚ Subhash Arora‚ Yogesh Vaidya‚ S. Raman‚ Mahendra Pratap and DS Puri started the enterprising venture. Group Companies: HCL AXON HCL Technologies
Premium Strategic management
ROLE OF YOUTH IN OZONE LAYER PROTECTION Ozone layer plays a vital role in protecting animals‚ human beings and plants from ultraviolet radiation. Ozone layer is destroyed by a group of manufactured or human made chemicals such as chlorine bromine. These chemicals are called "ozone-depleting substances". Ozone layer is destroyed by some natural’s ways and some humane made activities. A single molecule of chlorine can break apart thousands of molecules of ozone. Chlorofluorocarbons the most widely
Premium Ozone depletion Ozone depletion
Which Cup of Tea Do You Prefer? Which cup of tea do you prefer? I mean entertainment. Generally‚ entertainment can be defined as the activities that can provide diversion or permit people to be amused in their leisure time.[1] But no matter what the form may be‚ entertainment is exactly the movement which makes you happy and relaxed. There are three major types of entertainment I have summarized: The visual entertainment‚ the interactive entertainment‚ and the self entertainment. First of all
Premium Entertainment Count Happiness
Which place do you prefer to leave: in a small town or in a big city ? Small towns and big cities both have their good sides. First big cities have unlimited choices of things you can do. There is always a lot to do and visit. Living in a big city is more comfortable because there are cinemas‚ theaters‚ museums‚ shops‚ malls‚ lots of restaurants to choose. There are a lot of possibilities of shopping. Secondly the standard of education is also very high in big cities. People have
Free Town City English-language films
Which Dress Do You Like Best? The following memory I will outline may seem an excessively informal anecdote for a paper as such but it reveals truth in the point I will be presenting. When I was a senior in high school and prom season arrived it was a common practice among me and two other friends to go shopping for our dress on Saturdays. The drill consisted of trying on several dresses and asking the two other friends their opinion‚ when we found a dress that all three agreed on (given the price
Premium Religion Pope Paul VI
AC1200‚ AC1750 AND AC1900 MEAN ON A ROUTER. If you are planning to purchase a new router or you already have a router‚ then you may have come across the terms like ‘AC’ followed by a subsequent number say 1750. Ever wondered what this really means and what is its significance? Today we will try to clear all your doubts and myths regarding the meaning of the terms like AC 1200‚ AC1750 and AC1900 routers. Our online world is totally incomplete without a modem or router and nowadays‚ technological advancements
Premium Marketing United States Management
social circles‚ backgrounds‚ or cultures‚ making the need for quality our first objective” (Easy in Organizations 2009). Managers must encourage and reprimand based on actual occurrences and work productivity rather than the differences in the four layers of diversity‚ personality and internal‚ external and organizational dimensions we possess that make up the diversity (Kinicki‚ A and Kreitner‚ R. 98). Diversity by definition is the “multitude of individual differences and similarities
Premium Employment Organizational studies Organization
The layers of Earth How do scientists know what is in the center of the earth? How can we know what the core of the earth is made of‚ if scientists have never studied any materials from a depth below 7.5 miles? Earth is approximately 4.6 billion years old‚ and over this time period‚ many things have changed inside and out. The formation of our planet is quite amazing. Earth consists of multiple layers. The three most distinct or main layers are the core‚ mantle and crust. The inner portion is
Premium Earth
Assess the view that ethnic differences in crime are the result of the way in which the criminal justice system operates In the early phase of post-war immigration‚ there was an assumption that members of ethnic minority groups were no more likely to be offenders or victims than the majority white population. It was also assumed that the criminal justice system treated all ethnic groups fairly. According to a major investigation into police and immigrant relations in 1972 ‘black people were more
Free Crime Sociology United Kingdom