How To Preserve The Ancient bronze sculpture
This is because the tin is oxidized to tin oxide, is a very beautiful light turquoise color. Green and black qi qi ancient ancient formation of the oxide layer not only protects against further corrosion of bronze, but also increased the bronze surface appearance. Such objects are rare treasures. Therefore, there are quite a lot exaggerated and imaginative beasts depicted on the bronze sculpture. In contrast with the rust is harmless bad rust, the composition of alkaline copper chloride and cuprous chloride, which is the bronze in the long-term soil chloride in the atmosphere from chemical reactions when exposed to a harmful formation of rust , basic copper chloride is known as bronze disease, also known as powdery rust, it’s like a plague and spread of infection, such as objects left unchecked will ulceration and perforation, and even crumble.
Bronze antiques or arts and crafts storage should note the following:
1, the storage room must be kept dry, no dust and air pollution, the relative humidity below 50% is best. Human-mask Square Ding, Four Sheep Square Zun, Lotus Crane Square Hu and other bronze sculpture will allow us to feel the ferocious yet majestic beauty in the early human civilization.
2, the objects must be removed before storage of all contaminated dirt, the best protection is the result of chemical off. Can not use a strong oil, oil painted in china bronze, the bronze contacts with cotton gloves must be absolutely can not have hand contact with sweat, not oil can or box of paper to wrap.
3, clear the dust on the bronze to use soft felt, soft brush, soft wool duster, etc.
4, if any, must be washed with distilled water, distilled water can also be heated, can be neutral soap. Can not be used ammonium hydroxide, acids, and white powder, gauze, etc. If cleaning by professionals in cleaning large. Quote a wonderful statement of Mr. Li Zehou to describe bronze sculpture.
5, clear brush to clean the bronze has been used is coated with a layer of the original chemical protective agents or coated with a layer of heated wax. Modern approach is to coat silicone sealed to prevent harmful gases and moisture effects.
6, to prevent mechanical damage by objects, do not put them overlap. Each one is best on a palette in bronze. Look at famed china bronze sculpture in Shang and early Zhou.
7, frequently observed changes in bronze, bronze disease symptoms if it is found, it should be a timely manner. Method can be used a half times the sodium carbonate (5% sodium carbonate + sodium bicarbonate) cleaning until no chlorine ions so far. Check out the thunder patterns all over the bronze sculpture, the kui dragon and kui phoenix intertwined taotie design.
8, with 0.1% silver carbonate test whether the addition to the net, except that if there AgCe net. Copper and zinc can not be put together, custody and exhibitions can not remember where in a showcase.
In 1939, in Anyang County, Henan Province, discovered a large bronze tripod, it is generous Si Mu Wu Ding. The beauty of the chinese bronze sculpture does not rely on the vigorous lines of the image rather than the high-relief decorations express an infinite primitive emotion. Unearthed, because it big and heavy, sometimes not moving, the Japanese invaders and several strong claims, as against looting, people put it into the ground until after the war, only brought to light, now in the Museum of Chinese History collection. Si Mu Wu Ding generous rectangular mouth Length 110 cm, width 78 cm, thickness 6 cm, 133 cm high with ears, weighs 875 kg. Seventy-eight ten craftsmen at the time required to simultaneously cast, to use more than one thousand kilograms of metal raw materials.
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