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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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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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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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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Survey of Nirma Ltd. HISTORY OF DETERGENT- The earliest detergent substance was undoubtedly water; after that‚ oils‚ abrasives such as wet sand‚ and wet clay. The oldest known detergent for wool-washing is stale (putrescent) urine. For the history of soap‚ see the entry thereon. Other detergent surfactants came from saponinsand ox bile. The detergent effects of certain synthetic surfactants were noted in 1913 by A. Reychler‚ a Belgian chemist. The first commercially available detergent taking advantage
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LADI AND CHIKOR LADI AND CHIKOR is backward village in India. It comes in rural area. Firstly I want to give description about ladi and chikor: - Population:- Near 2000 Electricity & transportation& education Ladi & chikor’s people are fight with lack of electricity‚ lack of good road‚ Lack of education. There are 90 % people are uneducated lots of people are depend on Agriculture
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Discuss the changes in rural areas and their impact on gender. Is modernization and development the answer? Poverty is highly found in rural areas where there is a lack of education‚ healthcare‚ limits access of choices‚ and numerous challenges for its habitants. A major cause of poverty among India’s rural people is the lack of access to productive assets and financial resources as well as high levels of illiteracy. According to International Fund for Agricultural Development (IFAD) women in
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