How to identify the quality of the porcelain

1, the method of identifying porcelain There is a buy porcelain, "the word tactic" that "can" and "listen" and "than" and "test." "See" inside and outside is to carefully observe the porcelain from top to bottom again. To see whether a glazed porcelain smooth lubrication, whether scratches, holes, black spots and bubbles; two to see whether the regular shape, whether deformation; screen to see a non-destructive three missing; four look at the bottom of the formation, to be placed smooth, No Burr. "Listen" is listening to gently bomb call at the sound of porcelain. Such as voice clear, beautiful, detailed description Citai dense, non-cleaved loss, in high-temperature firing, full of porcelain. Usual dumb such as voice, we can conclude that a split Citai loss, or not entirely of porcelain, pottery such as hot and cold changes, easy to crack. "Than" is compared. The matching porcelain, to compare the various accessories, look at its shape and decorative screen is coordinated. In particular set of refined porcelain blue and white or blue and white, blue and white color because of differences with the firing temperature changes, so the same Qinghua Ci, colors have a shallow depth, and even a few pieces of dozens of sets of cold Porcelain, such as the blue and white color of a significant difference, it is much worse on the porcelain. "Trial" is covered test, test equipment, test. Some porcelain with lids, some porcelain from a combination of several components, in the selection of porcelain, do not forget to try to cover the lid, the components will be assembled to try to see if appropriate. In addition, some porcelain with special features such as water dripping from Kwun Yam, automatically dripping; Kowloon fair Cup, Zhenman liquor to a certain position, will all Louguang. So to the test to see whether its normal function. 2, the optional ceramic tableware Ceramic tableware modeling diverse and delicate smoothness, color Ming and easy cleaning, the majority of families to buy food of choice. However, on the surface of the ceramic Cai You may have a health killer. Caiyou of lead, mercury, radium, cadmium, and so are the body of harmful elements. Radioactive element radium will be anti-white blood cell count. Cadmium, lead and mercury are heavy metal, cadmium and lead will cause liver or other organs poisoning, mercury will cause liver and kidney sclerosis. The use of unqualified ceramic products, the dissolution of these harmful substances will, as the food enters the human body, Shijianyichang will cause chronic poisoning. At the same time, the production of ceramic clay must also pay attention to, poor quality of clay containing microorganisms and more harmful substances, even on Cai You will not damage human health. So the specifications and quality of products is particularly important to target the basic Caiyou ceramic no harm to the human body, it looks clean non-color pottery utensils may lay hidden danger to health. In the purchase and use of ceramic tableware, it is necessary to note the following: 1) the purchase of ceramic tableware must choose the informal market, the purchase must not Tanbian Yi no official manufacturer of low-grade products. State regulations, ceramic tableware will be placed in four percent of the acetic acid in the soaking, the dissolution of lead should not be larger than 7 mg / l, the dissolution of cadmium should not be greater than 0.5 mg / l. At present the formal basic products manufacturers can meet this requirement; 2) look at the time of purchase to the attention of the Condition utensils, cutlery hand touching the surface of the wall to see bright and clean; 3) the nose hear whether there is a smell; 4) Do not buy too bright colors of ceramic tableware. To make colorful, manufacturers in the glaze, with some heavy metal additives, so the bright colors of tableware, the easier it is of heavy metals; 5) the purchase of raw materials, more stringent control of the glaze Zhongcai, Youxia color tableware; 6) the use of utensils in boiling water before cooking with five minutes, or use vinegar soaked 2-3 minutes, tableware to the dissolution of toxic substances. 3, the optional ceramic art China's display-art ceramics, pottery and porcelain at two major categories. Tao is the main origin: Zisha Hu said in the flower pots and pottery are Yixing in Jiangsu; Taosu figures and animals in Guangdong Shiwan Kyo modeling; Tang Sancai also the production of Luoyang in Henan Province, production of Shanxi Hunyuan Heiyou pottery production Hand carved Sichuan pottery Rongchang. The main porcelain production are: to produce blue and white, Linglong, Fencai, color glaze porcelain of the four major traditional Mingci are Jingdezhen in Jiangxi Province; Youxia multicolored decorative ceramic art famous for Hunan Liling; production also rained carved ceramic glaze and innovative art Shandong Zibo production Huayou porcelain and ivory in Handan, Hebei; white porcelain production of the Fujian Germany; celadon production of Longquan, Zhejiang and production Glazed Choi Huaci Chaozhou in Guangdong, production imitation of the Southern Song Dynasty porcelain art GUANYAO Zhejiang Xiaoshan, and so on. Furnishings ceramic art as a commodity, the price is not higher the better, and this requires careful to identify. You Xia and Cai Qinghua Ci, for example, depends on whether the painting work of skilled, clear, color is Yingrun, transparent, with attention to someone posing as Glazed Youxia, confused as real ones; Youxia decoration of freehand brushwork Meticulous attention must be hand-drawn, not printing , Decals and color to light. Then there to see the overall effect, whether Chou Cheng-chih, there deformation, glazed whether bright and clean, there Chromaticity abnormal. Finally, choose furnishings ceramic art during the day to light a good place, and the lighting often to error. The porcelain shells can be gently higher, listening to voices loud and clear, there are cracks in ceramic hoarse voice.