And how can the platinum be bright and maintained? Thank you for your answers
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And how can the platinum be bright and maintained? Thank you for your answers
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If there is a black silver film on the surface, use 2G of salt, 7g of baking soda, 8g of bleaching powder and 60ml of water to prepare a "gold ware cleaner". Put the gold jewelry in a bowl and pour the cleaner. After 2 hours, take out the gold jewelry, rinse it with water (preferably not hard water), bury it in wood chips and dry it, and then wipe it with a soft cloth
to protect the luster of gold jewelry, you can apply a thin layer of nail polish on it. For the ring with gems, roll a piece of cotton with a popsicle or matchstick. After wetting it in the mixture of toilet water and glycerin, scrub the gems and their frames, and then polish the ring with a flannel cloth. Never scrape with sharp objects such as blades
extended data:
identify adulteration
1. Whether gold has white bright spots
cut gold bars or gold jewelry with a material scissors, and observe its section with a magnifying glass. If there are white bright spots, because gold and iridium cannot be fused together, it indicates that iridium is mixed in the gold
2. Measure the specific gravity
first measure the weight of a piece of pure gold bar with a balance, then put the gold bar into a measuring cup, and pour water to submerge the gold bar. Then put the detected gold bar into the measuring cup and observe whether the scale of the water rises or falls. If there is any change, it means that the gold bar is not pure gold. But if it is gold jewelry, this method is not applicable because there is air inside the gold jewelry
3. Real gold is not afraid of fire
put the gold bar or gold jewelry on the fire for a while to observe its change. Because iridium will combine with oxygen in the air to produce oxidation reaction, gold bars with insufficient purity will turn gray; And pure gold will be bright red after baking. However, this method may cause some damage to jewelry
reference source: Baidu Encyclopedia gold
1、 How to brighten Gold:
1. Wear it frequently
2. Place and wear agate and jade together
3. No miscellaneous silver ornaments
4. Use sealing tape for storage (although gold is not easy to oxidize, it is still necessary, especially if it has not been cleaned)
II. Maintenance of gold:
1. Gold is soft and easy to deform. Do not pull necklaces and other accessories to avoid deformation
2. Pure gold jewelry will produce chemical reaction when encountering mercury, showing white spots. When cleaning, it only needs to be barbecued under an alcohol lamp for a while to recover its color
3. When swimming, take off the gold ornaments to avoid chemical changes on the surface after touching the sea water or pool water.
4. Prevent direct contact with high volatile substances such as perfume and hair gel, otherwise the gold ornaments will easily fade
extended data:
I. Methods for cleaning Gold:
1. To protect the luster of gold jewelry, you can apply a thin layer of nail polish on it
2. If there is a black silver film on the surface, use 2G of salt, 7g of baking soda, 8g of bleaching powder and 60ml of water to prepare a "gold ware cleaner". Put the gold jewelry in a bowl and pour the cleaner. After 2 hours, take out the gold jewelry, rinse it with water (preferably not hard water), bury it in wood chips and dry it, and then wipe it with a soft cloth
3. For the ring set with gems, roll a piece of cotton with a popsicle or matchstick. After wetting it in the mixture of toilet water and glycerin, scrub the gems and their frames, and then polish the ring with a flannel cloth. Never scrape with sharp objects such as blades
4. Salt and vinegar are mixed to form a cleaning agent, which can be used to wipe pure gold jewelry and keep it fresh for a long time
5. The luster can also be restored by wiping with toothpaste or scrubbing with hot concentrated rice soup
6. It can be scrubbed with ammonia water
2. Jewelry maintenance:
1. Gold: small gold ornaments are easily deformed by extrusion or impact, so you should be careful when wearing them. Avoid wearing with platinum and silver, because the metal friction will leave white marks on the gold. In this case, please send the gold jewelry to the jewelry store for professional cleaning
2. Jadeite: if the protective wax on the surface of the jade is removed, you can take it back to Liufu jewelry for inspection and waxing
3. Pearls: do not hang the pearl chain for a long time to prevent the silk thread from being stretched and loose. To avoid damage to the silk thread, it is recommended to take the pearl chain back to Liufu jewelry every three years. The pearl itself contains a certain amount of water. The Pearl should be placed in a dry and dark place to avoid dehydration
4. Pure silver: regularly wipe the surface with silver cloth to keep the surface luster of ornaments
III. basic maintenance instructions:
1. Each piece of jewelry should be stored separately to avoid scratches caused by friction
2. Do not contact with household chemicals such as cosmetics, perfume and bleach to avoid surface erosion
3. Jewelry is not suitable for sports, swimming, sleeping and housework
4. Check whether the frequently worn inlaid jewelry is loose every 3-6 months. It is recommended to return Liufu jewelry for thorough inspection and arrange professional cleaning every year
reference: Baidu Encyclopedia - jewelry maintenance
reference: Baidu Encyclopedia - gold jewelry
Methods to brighten Gold:
1. Wear it frequently
2. Place and wear agate and jade together
3. Don't wear other silver jewelry.
Gold maintenance method:
gold jewelry is not very delicate, but if you don't care about it, it will lose its original luster and charm. Generally speaking, the following points should be noted:
1. Pure chemical substances will change the color of gold, so gold jewelry should be removed before cleaning
2. Avoid direct contact with volatile substances, such as perfume and hair gel, otherwise it will easily lead to the fading of gold ornaments
3. Take off the gold ornaments when swimming to avoid chemical changes on the surface after contacting the seawater or pool water
4. Wrap it with flannelette before putting it into the jewelry box to avoid mutual friction and damage
5. Gold is relatively soft and easy to deform, so do not pull necklaces and other accessories to avoid deformation
6. Pure gold jewelry will produce chemical reaction and white spots when contacting mercury. After cleaning, they can recover their original color as long as they are baked under an alcohol lamp for a period of time
7. After wearing gold ornaments, they often lose luster due to dirt and dust pollution. At this time, as long as the gold ornaments are soaked and cleaned in warm water in neutral detergent, and then taken out to dry
extended data:
identification method
gold jewelry is divided into 24K (more than 99% gold content), 22K (91.7% gold content), 18K (75% gold content), 14K (58.33% gold content), 12K (50% gold content), etc
when buying gold jewelry, you can identify it from the following aspects:
distinguish color
as the saying goes, gold is "seven green, eight yellow, nine purple and ten red". Experts believe that 70% of the jewelry containing gold is yellow with blue, 80% of the gold is yellow, 90% of the gold is yellow with purple, and 100% of the gold is red. Pure gold is softer and generally not used for inlaid jewelry. Therefore, any inlaid gold jewelry claiming to be 24K must be fraudulent
weight
the specific gravity of gold is 19.3 g / cubic centimeter, and the fineness is closely related to the specific gravity. When the specific gravity is close to 19.3, the higher the pure gold content. When the specific gravity is 18.5, the gold content is 95%, and when the specific gravity is 17.8, the gold content is 90%, and so on. As long as the specific gravity is measured, the fineness of jewelry can be known. But most people can feel a sense of precipitation
see sound and rhyme
when high-quality jewelry is thrown on the concrete floor, there will be a dull clatter. It has sound but no rhyme and no strength. It is commonly known as "dead sound". On the contrary, the gold ornaments of low quality, thrown on the concrete floor, have a rhyme and a sharp sound, and have a slight bounce
try to be soft and hard
the higher the fineness of gold jewelry, the softer and more inelastic it is. The real gold will have light marks when it is bitten by teeth or scratched by needles, and there will be no broken lines when it is folded by hand, and it will not change color after burning (not at extremely high temperature). The opposite is true for the low-quality and fake ones
reference source: Baidu Encyclopedia - gold jewelry
Gold necklace cleaning
1. If it is common dust, you can use warm water and soft towel, and gently wipe it after it is stained with water. You can also use a soft brush to lightly brush with water
2. If you find that the gold necklace is not as bright as before, you can scrub it with soapy water mixed with a little alcohol, and then wipe it dry with a soft cloth. Or dip some toothpaste with a flannel cloth and gently rub it until it is bright. However, it should be noted that do not use the toothpaste containing particles to clean it, which will wear the surface of the gold necklace
3. Some consumers will find that the surface of the gold necklace will appear white spots or turn white after wearing it for a period of time. In fact, it is caused by the trace mercury in the cosmetics. As long as the jewelry with white spots or turns white is baked in the fire and then wiped with a soft cloth, the gold headpiece will restore its original luster
4. Some friends also find that the gold necklace is covered with a black film. The most common method is to use 2G of salt, 7g of baking soda, 8g of bleaching powder and 60ml of water to prepare a gold cleaner. Put the gold necklace in a bowl and pour the cleaner into it. After two hours, take out the gold necklace, rinse it with water, and then wipe it with a soft cloth
5. You can also remove the dirt on the surface of the gold necklace by purchasing the professional gold jewelry cleaning agent on the market and operating according to the instructions
Maintenance:
1. The most important thing to maintain the gold necklace is to clean it regularly, especially after it is not worn
2. When winter comes, many people will think of going to the hot spring. However, the editor wants to remind everyone that you can't take a gold necklace to the hot spring because the hot spring contains various trace elements. Wearing a gold necklace to the hot spring will also damage the necklace
3. Gold itself is a relatively soft precious metal, so the gold necklace also needs more care. When wearing it, avoid pulling hard to prevent the deformation of the gold necklace
4. Jewelry should be taken off in time when washing clothes, bathing and doing housework, because they are sensitive to salty products; In particular, the articles containing fluorine are more harmful to silver jewelry
5. Many female friends wear gold necklaces, but those who wear gold necklaces should avoid contact with cosmetics and perfume, and should wear the necklaces after using cosmetics
extended data
"A small number of gold 'discoloration' phenomenon is due to the formation of white alloy attachments on the gold surface after the gold ornaments contact with mercury or chlorine and other chemical elements in human sweat or skin care products, which will be mistaken for the 'discoloration' of gold.
for 'rusting', it is due to the contact of gold ornaments with iron elements in the air or life, and the formation of red attachments on the gold surface after iron oxidation, Thus, consumers mistakenly think that gold is "rusty."
in addition, as a kind of metal, the micropores on the surface of gold itself (which can be observed through a high-power magnifying glass) and the treatment of modern gold jewelry surface manufacturing technology will increase the possibility of fine particles adhering. "
reference source: Phoenix - Chow Tai Fook teaches you how to wear and maintain gold jewelry correctly
Methods to brighten Gold:
1. Wear it frequently
2. Place and wear agate and jade together
3. Don't bring other silver ornaments together.
4. Place it with sealing tape when storing it (although gold is not easy to oxidize, it is still necessary, especially if it has not been washed)
maintenance of gold:
1. Gold is soft and easy to deform, so don't pull necklaces and other accessories to avoid deformation
2. Pure gold jewelry will produce chemical reaction when encountering mercury, showing white spots. When cleaning, it can recover its color by baking under an alcohol lamp for a while
3. The chemical substance of detergent will change the color of gold, so you should take off the gold jewelry before cleaning
4. Wrap them with flannelette and put them into the jewelry box to prevent mutual friction and damage
5. When swimming, take off the gold ornaments to avoid chemical changes on the surface after touching the seawater or pool water.
6. The gold ornaments after wearing often lose luster due to the infection of dirt and dust. At this time, just put the gold ornaments in neutral detergent, soak them in warm water and clean them, then take them out and wipe them dry
7. Prevent direct contact with perfume, hair gel and other highly volatile substances, otherwise it will easily lead to the fading of gold jewelry
methods for cleaning Gold:
1. To protect the luster of gold jewelry, you can apply a thin layer of nail polish on it
2. If there is a black silver film on the surface, use 2G of salt, 7g of baking soda, 8g of bleaching powder and 60ml of water to prepare a "gold ware cleaner". Put the gold jewelry in a bowl and pour the cleaner. After 2 hours, take out the gold jewelry, rinse it with water (preferably not hard water), bury it in wood chips and dry it, and then wipe it with a soft cloth
3. For the ring set with gems, roll a piece of cotton with a popsicle or matchstick. After wetting it in the mixture of toilet water and glycerin, scrub the gems and their frames, and then polish the ring with a flannel cloth. Never scrape with sharp objects such as blades
4. Salt and vinegar are mixed into a cleaning agent, which can be used to wipe pure gold jewelry and keep it fresh for a long time
5. The luster can also be restored by wiping with toothpaste or scrubbing with hot concentrated rice soup
6. It can be scrubbed with ammonia water