oap and detergent‚ soap [Credit: © Photos.com/Thinkstock]substances that‚ when dissolved in water‚ possess the ability to remove dirt from surfaces such as the human skin‚ textiles‚ and other solids. The seemingly simple process of cleaning a soiled surface is‚ in fact‚ complex and consists of the following physical-chemical steps: Wetting of the surface and‚ in the case of textiles‚ penetration of the fibre structure by wash liquor containing the detergent. Detergents (and other surface-active
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5. Soap: -DI: .2mL level -CaCL2: .2mL level -Trisodium: .2mL level Detergent: DI: 2.6mL level CaCl2: 3.8mL level The results of the soap tests indicate an unsuccessful synthesis of soap. Minimal amount of foam was observed from any the tests. It was expected that foam would be presents in DI water‚ but decreased in CaCl2 or Trisodium because it makes the water a “hard water” and causes the soap precipitate‚ make it ineffective. As seen from the results‚ the synthesized detergent is effective
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Chemicals in Food Chemicals are added to food for (i) their preservation‚ (ii) enhancing their appeal‚ and (iii) adding nutritive value in them. Main categories of food additives are as follows: (i) Food colours (ii) Flavours and sweeteners (iii) Fat emulsifiers and stabilising agents (iv) Flour improvers – antistaling agents and bleaches (v) Antioxidants (vi) Preservatives (vii) Nutritional supplements such as minerals‚ vitamins and amino acids. Except for chemicals of category (vii)‚ none
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with soap and soapless detergents. Detergent comes from the Latin word detergere meaning to clean‚ it is defined as a cleansing agent. Therefore‚ water itself is a detergent. This essay looks at soap and soapless (or synthetic) detergents. Both substances we use everyday and have a big market commercially‚ they effect everyone. Soaps are made from natural products and soapless detergents are produced chemically‚ each having advantages and disadvantages. Soap has a
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Discussion The main purpose of this lab was to synthesize four soaps and two detergents and determine which one would be the best for an environmental group to use in the event of an oil spill.1 To complete this task‚ five subgoals had to be achieved first. To find the solubility of the fats‚ oils‚ soaps‚ and detergents‚ each of them were placed into different solvents to see if they dissolved. None of the oils and fats were soluble in water (H2O)‚ sodium hydroxide (NaOH)‚ or hydrochloric acid
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THE EVOLUTION OF SOAP & DETERGENT INDUSTRY HISTORY Soaps The washing industry‚ usually known as the soap industry‚ has roots over 2000 years in the past‚ a soap factory having been found in the Pompeii excavations. However‚ among the many chemical process industries‚ none has experienced such a fundamental change in chemical raw materials as have the washing industries. It has been generally accepted that the per capita use of toilet soap is a reliable guide to he standard of living for
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Soaps and Detergents STSE Report Many people make the mistake of thinking that soap is just something that cleans their bodies‚ clothes and dishes‚ but little do they know that there is so much more. For instance soap has been used since the ancient times and where made popular in Italy and Spain during the 8th century and by the end of the 13th century it was also available in France. In 1783‚ a Swedish chemist accidentally made the reaction that happens in today’s boiling process of making soap
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SWOT Analysis of the detergent powder Surf Excel (a famous product and famous brand of Hindustan Unilever Limited.) Assignment Submitted By‚ Assignment Submitted To‚ 1 Assignment Submitted By _______________ Index S.No Page No 1 About the product 3 2 About the company 6 3 SWOT Analysis 6 3.1 Strengths 10 3.2 Weakness 14 3.3 Opportunities 16 3.4 Threats 18 4 2 Particulars Conclusion 20 Assignment Submitted By _______________ About the product Surf Excel‚ launched in
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a series of signs that produced meanings. In his essay soap powder and detergents in “‘Mythologies’ Barthes describes about the myths of French daily life and explain how the media contributed to form the myths. According to barthers the advertisement and media repackage the popular idea so that it become selling. Barthes introduces the subject of soap-powders and detergents by identifying the benefits and the aim. For instance‚ the detergents have the possibility to save miners from silicosis. Then
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Detergents A detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutions."[1] These substances are usually alkylbenzenesulfonates‚ a family of compounds that are similar to soap but are more soluble in hard water‚ because the polar sulfonate (of detergents) is less likely than the polar carboxyl (of soap) to bind to calcium and other ions found in hard water. In most household contexts‚ the term detergent by itself refers specifically to laundry detergent
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