equal size). Frozen works fine | Thin spatulas to scrape liver from mortar into test tube | 4 test tubes and stand | Fine sand | 3% hydrogen peroxide | 100mL breaker | Mortar and pestle | 10 mL Measuring cylinder | Bunsen burner/hot plate | Detergent | 1M Hydrochloric acid (HCL) | Ruler | Matches | Knife | Procedure: 1. Cut 12 small cubes of liver (under 1 cm)‚ of equal size. 2. Put 3 liver cubes into a test tube half filled with water and place into a beaker of boiling water
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wear and tear on them * Can be stacked with a dryer on top to conserve space TOP LOADERS * There are a wider variety of models and colors * Costs less initially‚ but is less energy efficient * Easy to access the washtub * Uses regular detergent Features Capacity: Most manufacturers will define the size of the washtub differently. Common terms are "extra large" or "super capacity." When comparing capacity it is best to use the cubic foot measurement to determine the actual size.
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Abstract This project was done to enhance an individual image through body scent. Past odour-related journals were analysed and found that the bacteria and mildew are the cause of the odour. Hence‚ this current study aims to investigate the effectiveness of the sunlight in removing the odour and mildew and finding alternatives in replacement of sunlight by using salt‚ vinegar and baking soda. In the experimental procedures‚ dynamo was added to five sweaty shirts. Salt‚ vinegar and baking
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Molecules of most detergents and soaps are long chain hydrocarbon molecules with an ionic group at one end‚ usually carrying a negative charge‚ thus making it an anion. www.sciencedaily.com/articles/s/soap_bubles.html When the drop of detergent is added to the powdered surface‚ the initial effect is to draw the powder back to the edges very rapidly as the detergent molecules form their own surface layer with a lower surface tension than the water. As the detergent gradually mixes with
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chemical water softeners Permanent Hard Caused by calcium/magnesiu m sulphates Softened only by using water softener Shampoos most shampoos are soapless they contain detergents detergents act with water to clean Detergents do not form scum in hard water lather in all water rinse easily good cleansing agents How Detergents Work lower the water’s surface tension Shampoo molecules have a water loving head hydrophilic They have a grease loving tail -hydrophobic How does shampoo and water cleanse
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strong base (very high pH). From information learned in this course (lecture/lab) we can assume that both a very high and low pH will have adverse effect on the plasma membrane. SDS (Sodium dodecyl sulfate) is a detergent. From our back-round information we can learn that soaps and detergents tend to solubilize the lipids of the cell membrane causing cells to lyse. So overall we can assume that all three are going to cause the plasma cell membrane of the red cabbage to break down. Which one‚ HCl/NaOH/SDS
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Cleansing Action of Detergents (Using Capillary rise) Synopsis This project report explains about the surface tension and capillarity of liquid through a simple experiment of finding the capillarity of various detergents. Oil stains and grease on dirty clothes cannot be removed‚ using water alone‚ because water does not wet them. If detergents added ‚ surface tension is decreased‚ the area of contact is increased. Detergent molecules have
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share in soaps and detergents in the last few years due to intense competitive environment‚ it seems to have improved market shares across the two categories by 140-160 basis points each. HUL’s approximate market share in toilet soaps is 46% and about 36% in detergents. Analysts said the company will have better pricing power in the key business while volume growth in these categories too is estimated to be in double digits. After discounting prices on toilet soaps and detergents to grow volumes‚
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of milk fat? The second lab’s problem statement‚ using milk fat‚ food coloring‚ and dishwashing soap was: What happens when detergent is added to different milk fats and food coloring? The expectation is that the milk with higher fat content will have a more dramatic reaction. If the milk has a higher fat content‚ then the reaction of food coloring and dishwashing detergent will be more dramatic because there are more molecules to interact with each other. Since milk is made up of many parts
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macromolecules known as proteins (Horton‚ et al.‚ 1996). The amino acid content of a particular protein of interest can be determined and extracted through solubilization using detergents (Carpentier‚ et al.‚ 2005). Solubilization of proteins is made possible by detergents due to the amphipathic behavior of the latter. A detergent has a hydrophilic head and a hydrophobic tail.
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