Separating Substances: Identifying Food Dyes with TLC Background The color of food is an integral part of our culture and enjoyment of life. Who would deny the mouth-watering appeal of a deep-pink strawberry ice cream on a hot summer’s day or a golden Thanksgiving turkey garnished with fresh green parsley? Even early civilizations such as the Romans recognized that people "eat with their eyes" as well as their palates. Saffron and other spices were often used to provide a rich yellow color
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Making a sound financial decision is a vital component of the success of a business. The business must conduct market research‚ description of products‚ services and marketing strategies‚ and setting principles for the business’s success. Expenses should be noted prior to writing a financial plan. The goal of a business is to operate on a predefined budget. Ensure there are no undefined or hidden cost that could cause problems later. The business plan helps the business to make day-to-day decisions
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When I’m out hunting‚ I always like to have the best equipment. Usually‚ I’ll go out to hunt deer‚ but since I live in an area with a wide variety of critters‚ I like to mix things up a little bit and hunt all kinds of animals‚ from rabbits to raccoons to wild turkeys. Overall‚ when it comes to my guns‚ I have everything I need. However‚ one of the most important parts of my rifle is the scope. If I can’t see my target well‚ how am I supposed to kill it? If you do a lot of small to mid-range hunting
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CHAPTER 18 MELTING MARBLES Checkpoint Halo It was New Year’s Day‚ and the coffee pot was brewing some fresh coffee. Jerry and Gordon were discussing the raid activities‚ and Sally was checking to see how many hits Abu received from his YouTube announcement. Suddenly‚ the doors of the bunker started to open. Instinctively‚ Gordon and Jerry grabbed their pistols and ran to see who was coming in. A Jeep Cherokee drove down the ramp and stopped before reaching the bottom. A lanky fellow with
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implants are discussed. Surface modification of implants‚ which is considered to be the best solution to combat corrosion and to enhance the life span of the implants and longevity of the human beings is dealt in detail and the recent advances in the coating techniques which make use of the superior properties of nanomaterials that lead to better mechanical properties and improved biocompatibility are also presented. Keywords: Biomaterials‚ biocorrosion‚ stainless steel‚ cobalt chromium‚ titanium
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Executive Summary Optical fibres are being increasingly used in the telecommunications industry. They are slowly replacing the conventional copper cables due their superior ‘data transmission’ properties. They transmit data via light pulses within glass or plastic strands. Fibre optics fit the material requirements for good data transmission since they are ability to transmit and preserve quality of signals‚ durable and cost-effective. Some of the current materials employed within the industry
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of Verapamil hydrochloride at λmax of 278 nm in pH 1.2 buffer was found to be linear in range of 20 – 80 µg/ ml. The method was validated and found to be precise‚ specific and accurate. The tablets of Verapamil hydrochloride were prepared by press coating technique showing sustained release for 24 h for once daily dosing with a lag phase of 4 - 6 h. The optimum ratios and type of polymers and other excipients were chosen to produce gastroretentive floating tablets to meet the desired objective of
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percentage of copper in a copper-clad penny and the thicknes of the copper layer on the copper-clad penny. After 1982‚ copper coating has been used in the creation of the penny because the cost of pure copper has increase to the point that the amount needed t omake a penny cost far more than the actual value of the penny. This lab allowed us to see just how much copper coating was used in a particular penny. Not knowing the about information‚ my original hypothesis was that the penny would contain a
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The process creates a metallic bond that forms a brass coating on the penny. In order to create the bond‚ the mixture of zinc and sodium hydroxide had to be heated up for a minute before the pennies were added. Then to create the brass‚ we take the pennies out of the zinc and sodium hydroxide and let them dry
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14.1 Analogue and Digital signals – Student Work Book. 1). (a) Explain what is meant by the Binary number system. ………………………………………………………………………………………………… ………………………………………………………………………………………………… (b) Explain why the binary number system is very important for digital electronic systems. ………………………………………………………………………………………………… ………………………………………………………………………………………………… 2). The table below contains both decimal and binary numbers. Complete the table by giving the equivalent binary or
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