To buy gold, you need to invoiced. Gold (GOLD) is a single -quality form of chemical element gold (AU). It is a soft, golden, corrosive precious metal. Gold is one of the rare, precious and extremely valued metals. The international gold is generally based on ounces. In ancient China, "two" was used as a gold unit, and it was a very important metal. It is not only a special currency for reserves and investment, but also an important material for the jewelry, electronics, modern communications, aerospace and air industry and other departments. The cleaning method of gold 1. The luster of the gold jewelry can be applied to a layer of nail polish thinly on it. 2. If there are black silver films on the surface, 2 grams of salt, 7 grams of soda, 8 grams of bleaching powder, 60 ml of clear water, are made into a "golden device cleaning agent", put the gold jewelry in a bowl, Pour in the cleaning agent. After 2 hours, remove the golden jewelry, rinse with water (preferably not hard water), buried in the wood chips to dry, and then wipe it with a soft cloth. 3, the ring inlaid with a cotton roll with a popsicle or match stick, wet the gemstone and its frame in the mixed fluid of the dew and glycerin, and then use the velvet cloth to brighten the ring. Do not scrape it with a kind of sharp objects. 4, salt and vinegar mixed synthetic cleaning agent, using it to wipe the pure gold jewelry, which can make a long time. 5, wipe or scrub with hot rice soup with hot rice, can also restore gloss. 6, scrubbing with ammonia water.
To buy gold, you need to invoiced.
Gold (GOLD) is a single -quality form of chemical element gold (AU). It is a soft, golden, corrosive precious metal. Gold is one of the rare, precious and extremely valued metals.
The international gold is generally based on ounces. In ancient China, "two" was used as a gold unit, and it was a very important metal. It is not only a special currency for reserves and investment, but also an important material for the jewelry, electronics, modern communications, aerospace and air industry and other departments.
The cleaning method of gold
1. The luster of the gold jewelry can be applied to a layer of nail polish thinly on it.
2. If there are black silver films on the surface, 2 grams of salt, 7 grams of soda, 8 grams of bleaching powder, 60 ml of clear water, are made into a "golden device cleaning agent", put the gold jewelry in a bowl, Pour in the cleaning agent. After 2 hours, remove the golden jewelry, rinse with water (preferably not hard water), buried in the wood chips to dry, and then wipe it with a soft cloth.
3, the ring inlaid with a cotton roll with a popsicle or match stick, wet the gemstone and its frame in the mixed fluid of the dew and glycerin, and then use the velvet cloth to brighten the ring. Do not scrape it with a kind of sharp objects.
4, salt and vinegar mixed synthetic cleaning agent, using it to wipe the pure gold jewelry, which can make a long time.
5, wipe or scrub with hot rice soup with hot rice, can also restore gloss.
6, scrubbing with ammonia water.