Salt has always been a part of human existence and held as a valuable asset. It 'was (and is) used for storing food and other things, the ancient Egyptians used salt to preserve the mummies. Documented history shows that the salt has been used and appreciated by civilizations around the world. It 'was also demonstrated by the biblical texts.
It was used as a salt for the production of ceramics, which is known to have started in the Rhine ValleyGermany in 1500, when an anonymous potters threw salt in his oven, and a piece of pottery was fired. After removing the piece of pottery he found that he acquired a glass, translucent surface. This type of surface - a coating of sodium silicate - was the result of a chemical reaction between the salt and silica contained in the clay. Ceramics produced by the above procedure is known as salt glaze.
Salt glaze pottery is very durable and non-toxic. ItsBrown glaze can (with the addition of iron oxide), blue (with the addition of cobalt oxide) or purple (with the addition of manganese oxide). It is not limited to land, however, goods were made of stone. Salt glaze has a texture that was irregularly called "orange peel".
Although salt glaze pottery is very interesting, so it is quite difficult and unpredictable, because the medium allows the ceramic with poor control. In addition, because salt is corrosive, special ovens used to produce goods thatArticle
During the seventeenth century, English potters were influenced by German techniques in Staffordshire, which were imported. At the same time prompted the emergence of large middle classes in ceramics goods that were affordable to produce. Despite the immense popularity of porcelain imported from China, then, has commanded a high price, one of the most convenient alternative for them was the salt of the ceramic-glass. Compared to their German counterparts, British goods were cutgold-plated to prevent chipping, because they were thinner.
In 1780 some German potters immigrated to the United States and applied their knowledge to the pottery produced there. They were soon in the production of quality ceramics that help to compete in England. Meanwhile, clay, lead poisoning was caused by lead must vitreous enamel. Since salt glaze lead free and safe, it was a bit 'under the Americans very popular.
Salt glazePottery began in Japan in the mid 20 th century Japanese potter Shoji Hamada from appearing and British potter Bernard Leach - founder of the Leach pottery.
Examples of salt glazed ceramic teapots, wall pockets, snuffer figures (figures in human form or animal, which can be used to extinguish the candles), jugs, vases and pitchers. These pieces were often in the form of small houses and small animals such as squirrels, birds and snakes. The decorations were the usualFlowers, leaves, plants and shells painted in cobalt blue.
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