This is the VOA Special English Development Report, from voaspecialenglish.com | http Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So this week, we describe a natural way to dye wool.The advice comes from information written by Jenny Dean of the Intermediate Technology Development Group in Britain. This anti-poverty group is now called Practical Action.There are several methods to put dye onto material. The vat method, for example, can be used to dye wool with onionskins. For this example, use one hundred grams of natural wool. The wool must be clean. Leave it overnight in water and liquid soap. Then wash it with clean, warm water. Gently squeeze out the extra water.A solution called a mordant is used in the dying process. A mordant helps fix the dye to the material. Traditionally, mordants were found in nature. Wood ash is one example. But chemical mordants such as alum are popular today. Alum is sold in many stores. It is often mixed with cream of tartar, a fine powder commonly used in cooking.Mix eight grams of alum with seven grams of cream of tartar in a small amount of hot water. Add the solution to a metal pan of cool water. Next, add the wool and place the mixture over heat. Slowly bring the liquid to eighty-two degrees Celsius. Heat the mixture for forty-five minutes. After it cools, remove the wool and wash it.To …
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Joanne provides suggestions of books to read and refer to in order to understand the ingredients found in household items and in particular, those found in cosmetics, hair care and skin care. If you are serious about understanding the science behind these products, these books will give you a good start. A different type of video in that I filmed this with my webcam and less than optimal lighting. More videos about the science behind your favorite products coming soon. Why There’s Antifreeze in Your Toothpaste: The Chemistry of Household Ingredients Chemistry Connections: the chemical basis of everyday phenomena Can You Get Hooked on Lip Balm www.harlequin.com Milady’s Skin Care and Cosmetic Ingredients Dictionary The Beauty Brains thebeautybrains.com About Joanne: Website– www.joannelovesscience.com Twitter– http Google+– plus.google.com Video content © 2012 Joanne Manaster
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Link to online store medstorepills.com Female Viagra review Female Viagra (brand names include: Womenra) 4 slices sourdough bread (or bread of your choice, day-old is ideal) Your hosts, Greg Peterson and Amy Godfrey, are here to bring you a fun approach to living green! Sit back…
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