2. If there is a black silver film on the surface, 2 grams of salt, 7 grams of baking soda, 8 grams of bleaching powder and 60 ml of water can be used to prepare a "gold cleaner". Put the gold jewelry in a bowl, pour the detergent, take it out after 2 hours, rinse it with clear water (preferably not hard water), bury it in sawdust to dry, and then wipe it with a soft cloth.
3. Ring inlaid with gemstones Roll a piece of cotton with popsicles or matchsticks, soak it in a mixture of toilet water and glycerin, scrub the gemstone and its frame, and then polish the ring with flannel. Never scratch with sharp objects such as blades.
4, salt and vinegar mixed into a cleaning agent, use it to wipe pure gold jewelry, can make it durable.
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shopping guide
1, if you want to choose a brand enterprise with good reputation, don't be greedy for cheap brands, and the price of gold is relatively transparent, obviously lower than the market price, so be careful;
2. When buying gold products, remember to ask for invoices, which is the core of protecting consumer rights;
3. If in doubt, it can be detected in time. The gold jewelry testing institutions under the national technical supervision department are located in major cities, which makes it easier to detect the composition of gold jewelry.
4. Choose to invest in gold products such as gold bars and nuggets, and choose regular merchants who promise to buy back, and the quality can be guaranteed.
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