First, ammonia cleaning method: you can use a small amount of ammonia to clean the gold ornaments. First, put the ornaments into the container, add water into the container, then add a small amount of ammonia water, then shake the lid of the container vigorously, and then take the ornaments out to dry. Of course, you should also pay attention to the maintenance of the clasp of the thousand yuan gold necklace that you often wear. You can drop a little sewing machine oil on the switch regularly to prevent the micro-spring in the switch from rusting.

Second, clean with a toothbrush or absorbent cotton ball: Always wear gold jewelry, which will inevitably get dusty. The easiest way to clean the dust and dirt of gold jewelry is to gently clean it with a soft brush dipped in hot water. You can also use absorbent cotton balls dipped in soapy water and anhydrous alcohol to scrub, but you must be careful not to scrub with abrasive particles such as toothpaste, polishing paste, fine sandpaper or fine emery cloth, so as to avoid friction between particles and gold, reduce the weight of gold necklace and cause losses.

Three. Bake gold to remove white spots: Many women often wear makeup when wearing precious metal necklaces. Therefore, cosmetics contain a small amount of mercury, which leads to white spots or whitening of gold jewelry after contact with cosmetics. In the face of such a situation, everyone must be careful not to scratch or sand the necklace with a knife. As long as the platinum necklace is baked in the fire and then dried with a soft cloth, the original luster of gold jewelry can be restored.

Four. Cleaning method with self-made cleaning solution: When cleaning, you can take 1000 ml of warm water (about 40℃), add 200 ml of glacial acetic acid to make an aqueous solution, then soak the gold jewelry in this cleaning solution for 10 minute, then clean it with a brush, and finally rinse it with clear water.

5. Cleaning method of developing powder: Gold jewelry will fade and its luster will become dim if worn for a long time. At this time, if you want to restore the color of gold jewelry, you can choose to develop the developing powder of the photo, turn it into developing solution with warm water of 30-40℃, and then add twice as much water to dilute it. Soak 1000 gold necklaces for about 4 to 6 minutes, then gently brush them with a soft brush, and finally rinse them with water several times.