To remove dust, the simplest way to clean up the dust and scale of gold ornaments is to gently scrub with a soft brush dipped in hot water, preferably with absorbent cotton balls dipped in soapy water and anhydrous alcohol, but abrasive particles (such as toothpaste, polishing paste, fine sandpaper or fine emery cloth, etc. ) It must not be scrubbed, so as not to reduce the weight of gold and cause losses.

2. Washing of Pure Gold Necklace When washing a pure gold necklace, you should first put the pure gold necklace into a container, then add water to the container, then add a small amount of ammonia water, then tighten the lid, shake it back and forth, and then take it out to dry. When wearing a gold necklace, you should also maintain the button switch and drop a little sewing machine oil on the switch regularly to prevent the micro-spring in the switch from rusting.

3. Remove the white spots on gold jewelry. Because some cosmetics on the market contain trace amounts of mercury (mercury), such as phenylhydroxy mercury and mercury dichloride, gold jewelry will appear white spots or whitish after contact. At this point, you must not scrape with a knife or sandpaper. As long as the white or whitish jewelry is baked in the fire and then wiped clean with a soft cloth, the original luster of gold jewelry will be restored.

4. Gold jewelry with clean dirt on the surface will darken the color after it is stained with dirt. At this time, the developing powder for developing photos can be mixed with 30-40 ~ C warm water to make developing solution, and then diluted with double water. Soak the gold jewelry with dirt in it for 4-6 minutes, then brush it with a soft brush to remove dirt and rinse it with clear water several times. If a fine woolen cloth is dipped in nail polish and rubbed lightly, the jewelry will be brighter.

5. Immersion cleaning: firstly, take 65,438+0,000 ml of warm water (40 ~ C), then add 200 ml of glacial acetic acid to make an aqueous solution, then soak the gold jewelry in this cleaning solution for 65,438+00 minutes, then brush it with a brush, and finally rinse it with clear water. ?

Supplement:

Gold is an inert metal. Gently scrub with a soft brush dipped in hot water. It is best to scrub with absorbent cotton balls dipped in soapy water and anhydrous alcohol, but it must not be scrubbed with toothpaste, polishing paste, fine sandpaper or fine emery cloth, so as not to reduce the weight of gold and cause losses.