Thin-Layer Chromatography of Analgesics Abstract: In this experiment thin-layer chromatography (TLC) was used to determine the composition of an unknown mixture of analgesics given five references of AC‚ ASP‚ CAF‚ IBU‚ SAL‚ an unknown consisting of a mixture of three of the references‚ and two unknowns (6‚23) containing a single reference compound. The composition of the unknown mixture and two single unknowns were determined by spotting the reference compounds and the unknown compounds on two
Premium Thin layer chromatography Acetic acid
Saving the Environment – Every little steps count "Why hasn’t anyone done careful environmental measurement before? Businessmen always say‚ ‘what matters gets measured’. Social scientists started quantitative measurement 30 years ago‚ and even political science turned to hard numbers 15 years ago. Yet look at environmental policy‚ and the data are lousy." Nor is this dearth of reliable and unequivocal information likely to end soon. Even the Millennium Ecosystem Assessment‚ supported by numerous
Premium Drinking water Environment Water supply
Air pollution is by far the most harmful form of pollution in our environment. Air pollution is cause by the injurious smoke emitted by cars‚ buses‚ trucks‚ trains‚ and factories‚ namely sulphur dioxide‚ carbon monoxide and nitrogen oxides. Even smoke from burning leaves and cigarettes are harmful to the environment causing a lot of damage to man and the atmosphere. Evidence of increasing air pollution is seen in lung cancer‚ asthma‚ allergies‚ and various breathing problems along with severe and
Free Pollution
Q 4. What are the four layers of documents of ISO 9000? Please explain the purpose of each layer of document and their interelationship ISO 9000 emphasis on document control as it could act as a means of communication‚ define and clarify quality activities‚ rationalize the work of quality assurance‚ facilitate quality control‚ provide a base for system audit‚ and as teaching materials. While the above benefit bases on 4 types of documents‚ according to ISO9001: 2008‚ 4.2.1‚ the quality management
Premium ISO 9000 Quality assurance Quality management system
HOUSING REQUIREMENTS FOR CHICKEN - LAYER LPM605- SHELTER MANAGEMENT PRASOON 10/11/2011 Contents Essentials of Good Housing: 3 Location of Poultry House: 3 Housing requirements: 4 Poultry housing systems: 7 Styles of Poultry Houses: 11 House Construction: 11 Housing requirements for layer birds Poultry is housed for comfort protection‚ efficient production and convenience of the poultry man. Essentials of Good Housing: Comfort: The best egg production is secured
Premium House Inch English-language films
topic of my speech is Environment. Environment is the surrounding in which we live. It is the source of life. Our whole life is dependent to the environment. It directs our life and determines our proper growth and development. Good or bad quality of social life depends on the quality of our natural environment. The need of human beings for food‚ water‚ shelter and other things depends on the environment around us. There is a balanced natural cycle exists between environment and lives of human beings
Free Natural environment Human Ecology
Sports and Performance Materials Assignment 1 Snowboarding 3-layer apparel assembly Table of Contents Description 3 History 3 Development in time leaps 4 Equipment 6 Structure+ Aim 8 Demographic Profile 9 Dominant participant countries 10 Participant Rates 10 Market Research 11 Global Market Size of Snow Sports in Retail Dollars 11 Global Snowboard Sales 2012 12 Major geographic markets 12 U.S. Market Sales 12 European Market Sales 13 Profile
Premium
PUBLIC BANK - PB DAY2DAY CARD CARDMEMBER AGREEMENT Thank you for applying for the PB Day2Day Card. It is important that you read carefully the Cardmember Agreement printed below before using the PB Day2Day Card (“Card”). By using the Card‚ you are accepting the Terms and Conditions set out below and agree to be bound by the said Terms and Conditions. MANAGING YOUR CARD WITH CARE A Cardmember’ role in preventing Card fraud. Below are the preventive measures: Treat your Card(s) like cash at
Premium Bank Negara Malaysia Debit card Malaysia
Environmental protection is a practice of protecting the environment‚ on individual‚ organizational or governmental levels‚ for the benefit of the natural environment and (or) humans. Due to the pressures of population and technology‚ the biophysical environment is being degraded‚ sometimes permanently. This has been recognized‚ and governments have begun placing restraints on activities that caused environmental degradation. Since the 1960s‚ activism by the environmental movement has created awareness
Premium Sustainability Environmentalism Natural environment
The environment is something you are very familiar with. It’s everything that makes up our surroundings and affects our ability to live on the earth—the air we breathe‚ the water that covers most of the earth’s surface‚ the plants and animals around us‚ and much more. In recent years‚ scientists have been carefully examining the ways that people affect the environment. They have found that we are causing air pollution‚ deforestation‚ acid rain‚ and other problems that are dangerous both to the
Premium Life Earth Biology