LIMIT ON CHARACTERISTICS OF A TOOTH PASTE: CHARACTERISTICS LIMITS 1 Flavor Non-irritant to oral mucosa. Concentration should not exceed 1-2% 2 Size Price 3 Color Food dyes should be used. 4 Odor Pleasant 5 Antibacterial Xylitol: Helps reduce the development of cavities. Concentration should not exceed 25%. 6 Foaming Sodium Lauryl Sulfate (SLS) Concentration should be as low as 0.5%. Detergents used should be 1-3% 7 In toxic -Sodium fluoride a toxic chemical
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Play Doh This is possibly the easiest play dough recipe ever. It takes about 5 minutes to make and best of all there is no cooking. Just throw all the ingredients in a bowl and mix. Simple as that. It’s great for making with kids and will last for ages. You can add glitter to the mix for added sparkle and even some peppermint oil to make it smell great. You will need: 1 cups plain flour 1/2 cup of salt 2 tablespoons of cream of tartar (optional) 1 tablespoons of cooking oil Food colouring
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The Stereochemistry of Bromine Addition: Bromination of trans-Cinnamic Acid Pitak Chuawong Objectives 1. To perform bromination of trans-‐cinnamic acid 2. To investigate stereochemistry of bromination reaction Introduction Alkenes undergo electrophilic addition to give alkyl halides. When bromine is used as a
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Safety measures in the chemistry laboratory The mentors are responsible for instructing the competitors as to the risks to which they are subjected when working in a chemistry laboratory‚ as well as to the basic safety measures‚ and first aid. Specific behavioral and safety measures must be obeyed to prevent accidents. Rules in the lab: * Use protective clothing all the time (e.g. lab coat and safety glasses) * Use a hair band to keep your hair away from your face. *
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Chemistry of Fire and Firefighting Firefighting in the early 1700’s differed from the ways that we fight fires today. In the past‚ man-kind didn’t know the chemistry of fire and the different kinds of fire that ignite. Technology has improved a lot from the 1700’s. When technology improved‚ so did the techniques of fighting fires. Firefighters have learned that fires can start from something as simple as a frayed wire and can start from something as complex as a lightning bolt. Technology
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Target Market Demographic Age : 18 to 45 years old Gender : Male and Female Education : SPM and above Occupation : Students to working adults Income Range : Middle and Upper class Race & Ethnicity : All races Geographic Location : Urban and Sub-urban Physiographic Perception : Consumers who concern about
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segmentation‚ targeting‚ positioning‚ differentiation and branding For many organizations today to be successful they must know what consumers needs are‚ so as to satisfy them successfully and profitably to avoid wastages of resources. For these organizations to be successful they have to undertake segmentation‚ so as to know their target market and also to know the available competitors in the market producing the same goods. As a matter of fact‚ for Colgate to be successful they must segment
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Study of Solubility Equilibrium of Potassium Hydrogen Tartrate Wang Haina 1. Aim 1. To determine the solubility of potassium hydrogen tartrate (KHT) at various temperatures from 10°C to 50 °C‚ and determine the corresponding Ksp at these temperatures. 2. To obtain the changes in enthalpy and entropy of the dissolution of KHT from the dependence of Ksp on temperature. 2. Results and discussion 2.1 Collection of data A portion of KHT (1 to 1.5 g) was added into about 100 mL of deionised
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Title: The Green Oxidation of Borneol to Camphor Date Conducted: February 8‚ 2012 April 27‚ 2012 Abstract: The goal of this experiment was to perform a Green Oxidation of Borneol to Camphor‚ without the use of Chromium synthesis since it is toxic to the environment. Reagent Table: |Chemical Name |Amount used |Molecular weight |Concentration |Density g/mL |BP °C |MP °C |Chemical Formula
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Report of redox titration--- Iodine titrated against sodium thiosulphate Objectives The objective of this experiment is to balance the equation for the reaction between sodium thiosulphate and iodine. Principle As the reaction between sodium thiosulphate and iodine is a redox reaction‚ so I make use of this to perform a redox titration‚ iodine titrated against sodium thiosulphate. From the experimental result‚ I can find out the number of mole of the two substances‚ hence I can calculate
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