Q
does epoxy glue work on ceramics
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Yes, iodine can stain cellulose, although the reaction is not as prominent or specific as with substances like starch. Iodine (specifically when used in the form of an iodine-potassium iodide, I2/KI solution) binds to the polysaccharides in cellulose, causing a color change. This is due to the interaction between the iodine molecules and the spiral structures of the polysaccharides. However, the color change in cellulose is usually yellow to brown, which is less intense compared to the deep blue or purple color observed when iodine interacts with starch. This staining property is utilized in microscopy and biochemical assays to identify and differentiate cellular and structural components, but it is more commonly applied to detect starch rather than cellulose.
Removing calcium deposits from PVC pipes involves a careful approach to avoid damage. One effective method is using a mixture of white vinegar and hot water. First, create a solution with equal parts of white vinegar and hot water. This acidic mixture helps dissolve calcium deposits. Shut off water supply and drain the pipes. Then, pour the solution into the pipe, ensuring it makes contact with the affected areas. Let it sit for a few hours, preferably overnight, to break down the deposits. Afterwards, flush the pipes with plenty of plain water to remove the loosened deposits and vinegar solution. Repeat if necessary. For severe cases, consider consulting a professional plumber, as mechanical removal might be required without damaging the PVC.
Polypropylene fabric, known for its lightweight, durable, and resistant properties to moisture, acids, and chemical solvents, is widely utilized in various industries. Common products include reusable shopping bags, sportswear, and diapers due to its ability to wick away moisture, making it ideal for active wear and hygiene products. Additionally, in the automotive industry, it's used for interior carpets and in upholstery for its resilience and ease of cleaning. The fabric's resistance to staining and fading also makes it a popular choice for outdoor furniture and rugs. Moreover, polypropylene is employed in medical devices and packaging thanks to its sterility and non-reactive nature. Its ability to be engineered into different textures and its recyclability add to its versatility and environmental appeal.