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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General process information Detergents are manufactured using a synthetic surfactant in place of the metal fatty acid salts that are used in soaps. Most of the powder detergents have soap in their mixture of ingredients‚ however it generally functions more as a foam depressant than as a surfactant. Powder detergents are manufactured using various processes‚ such as spray drying‚ agglomeration‚ dry mixing or a combination of these. Spray Drying Process The different stages / operations performed
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DCITATION: http://www.epa.gov/dfe/pubs/laundry/techfact/keychar.htm Surfactants * Positive Environmental Characteristic: Biodegrade readily to compounds with low toxicity. Example: Straight carbon chain compounds like linear alcohol ethoxylates or betaine esters. * Key Characteristics of Concern: Toxicity to aquatic organisms‚ like fish (vertebrates)‚ daphnids (invertebrates) and algae; persistence in the environment; toxicity of biodegradation byproducts. * Example: Alkylphenol ethoxylates--biodegrade
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Operating Instructions & Installation Instructions Washing Machine (Domestic use) Model No. NA - 148VB3 NA - 147VB3 NA - 128VB3 NA - 127VB3 Thank you for purchasing this appliance. - For optimum performance and safety‚ please read these instructions carefully. - Before connecting‚ operating or adjusting this appliance‚ please read the instructions completely. Please keep this manual for future reference. Read Before Using SAFETY PRECAUTIONS Washing Instructions Optional Functions Maintenance
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Sign Up or Log In or Log In via Follow us on Pinterest HomeArticlesCommunityMy Profile Edit • Home • » Categories • » Education and Communications • » Research and Review How to Write a Research Paper Edited by Jackie Sinclair‚ Jack Herrick‚ Jamie Littlefield‚ Imperatrix and 50 others Pin It Article EditDiscuss A research paper is an important part of academics. Most students will be assigned at least one research paper in high school and many research papers in college‚ regardless
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How Do Helicopters Fly? How do helicopters work? Helicopters are the most versatile flying machines in existence today. This versatility gives the pilot complete access to three-dimensional space in a way that no airplane can. If you have ever flown in a helicopter you know that its abilities are exhilarating! The amazing flexibility of helicopters means that they can fly almost anywhere. However‚ it also means that flying the machines is complicated. The pilot has to think in three dimensions
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feed on your flesh. They are zombies. Question is‚ how do they work? To start off you should probably want to know what a zombie is‚ assuming you don’t. A zombie is a dead body that still carries some function that allows it to move. In layman’ terms‚ it is basically saying that once a person is dead they get infected and are still able to move. This zombie like effect will last until the brain is dead. A zombie may even be decapitated and still work‚ only when the brain is destroyed does the zombie
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Kierra Roberts 1-4-11 11B How Do Batteries Work? Electricity is the flow of electrons through a wire‚ that is called a circuit. Batteries have three parts to them‚ an anode‚ a cathode‚ and an electrolyte. The cathode and the anode are hooked up to an electrical circuit. The chemical reaction that is happening causes the electrons to build up at the anode. When the circuit is closed the electrons will be able to get to the cathode. When the electrochemical process change the
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this article‚ we’ll see how these parts come together to produce bright light for hours on end. Light Basics Light is a form of energy that can be released by an atom. It is made up of many small particle-like packets that have energy and momentum but no mass. These particles‚ called light photons‚ are the most basic units of light. (For more information‚ see How Light Works.) Atoms release light photons when their electrons become excited. If you’ve read How Atoms Work‚ then you know that electrons
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Laundry detergents are found in every household and used for removing stains and oils from clothes so they could be reused. The production of this invention first started in the United States in the 1930s but started becoming very popular only after the Second World War because the military required a chemical to remove the dirt and oil off their military outfits (Clean Living). Laundry detergents have a combination of chemicals which combat different barriers to clean the fabric. They have different
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