Ferrous metal plate or in the fourth quarter rebound.

MIIT a quarter of non-ferrous metal production of 8.1 million tons,up by 9.3%.

World Nonferrous Metal Museum - Hunan Chenzhou Mining Park Shizhuyuan show articles.

Intelligent integrated optimization control applied to the non-ferrous metal production.

Gold plating on the wheel rims of your tires can add a certain element of class and sophistication to your car's aesthetic. However, if rust begins to form on those gold-plated rims, the visual effect is ruined. The rust can be dealt with at home though, and with a few key household ingredients, your rims will be sparkling again soon.

1.Wipe the bucket out with a paper towel, to ensure that it is clean and free of any debris.

2.Measure 2 cups of warm water into your bucket.

3.Measure out a cup of lemon juice and add it to the bucket of water.

4.Measure a cup of white vinegar and add it to the lemon and water mixture in the bucket.

5.Dip the clean rag into the mixture and use the moistened rag to wash the rust stains from the affected areas of the tire rims. Make sure to clean thoroughly, paying special attention to any intricate detail work in the tire rims.

6.Rinse the tire rims with clean, cool water.

7.Repeat the process if necessary to remove stubborn rust stains.

8.Dry the rims with clean paper towels.

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Dirt and oil can build up on gold and gold plate, so periodic cleaning is recommended. Though gold plate can be cleaned with a commercial jewelry cleaner or by a professional jeweler, it's easy to do the job with a few simple supplies at home.

Cleaning at Home
Cleaning gold plate at home requires a non-abrasive cleaner such as toothpaste or baking soda, a toothbrush and WD-40. The toothbrush is used to apply the toothpaste or baking soda to the gold plate. Scrubbing removes the dirt. A good rinsing with water and more scrubbing with the toothbrush removes the residue.

Tarnish
If any tarnish is present on the gold plate, it is usually because the plating is worn and the metal underneath is tarnishing, according to Finishing.com. Spraying WD-40 on the tarnish, letting it soak for a few minutes, then rubbing the tarnish off and rinsing with water, should work.

Polishing
A final shine with a soft, dry cloth polishes the gold plate and removes any remaining dirt and water. If the gold plate is damaged or wearing thin, replating by a plating shop is suggested.

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Gold is a naturally inert metal that will not tarnish. However, very few chandeliers are made of pure gold. Most chandeliers are gold-plated with a gold alloy. Gold-plated objects must be cleaned very carefully due to the gold's tendency to scratch.

1.Place your soft cloth in the bucket and fill the bucket with warm water and three to five drops of a mild, nonphosphate dish soap such as Ivory, Dawn or Simple Green.

2.Spread a drop cloth on the ground under the chandelier to catch the dripping water.

3.Verify that the chandelier is turned off and begin gently washing the gold-plated pieces.

4.Rub stubborn stains or smudges with the water mixture and a soft toothbrush.

5.Leave the chandelier to dry for one hour. Polish the various pieces with a jewelry polishing cloth.

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Gold plating happens through an electrical current or circuit created by placing both the object to be plated and the gold to cover it in a chemical bath and then turning on a current of electricity that runs through the mixture. The chemical solution usually comprises metal salts and ions that can carry electrical currents. All items to be plated must be thoroughly cleaned and dried before the plating process begins. The rack method requires the pieces being gold plated to be hung from a rack and then dropped into the chemical bath. The metal is charged negatively and attracts the gold metal ions to its surface, depositing the metal across the piece. This process is repeated for each layer of metal added before the gold is plated.

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Gold plating is used in the electronics industry on printed circuit boards and connectors. The gold in this type of application is used to create a corrosion barrier over copper components. Plating methods, until electronics came along, were created mainly for decorative purposes. Electronics plating has caused gold plating processes to develop further due to electronic requirements. The process involves plating a metal barrier, usually nickel, on the copper components and then plating the gold on top of the nickel. Once completed, the gold plated components are corrosion resistant and conductive.

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Each type of industry using electronics plating has developed its own gold plating bath recipes. Most desire to minimize the amount of gold used, for obvious reasons, but still retain the best thickness of the plate to prevent corrosion. They are also concerned with minimizing the amount of bath solution while making it as pure as possible, and making the process occur quickly. Electronics plating, also called industrial plating, is broken down into four categories or types of gold used. They are soft and pure gold used on semiconductors, hard and bright gold used for contact points and connectors, hard and bright gold used on printed-circuit tabs and soft and pure gold used in chip-on-board products, which involves plating the whole circuit board.

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