3 thoughts on “Why do some gold become more yellow and more yellow, and some are more and more darkened”

  1. The more yellow is getting yellow, it is almost impossible, indicating that this gold jewelry is not pure gold.
    The more darker the gold is, mainly due to oxidation after a long time.
    1. After a long time, gold jewelry has no gloss.
    daily wear or environmental factors may make gold jewelry lose the colorful color. For example: dry areas, the air contains more minimum dust. After the human body is contaminated, it will form a "human sandpaper". It can wear gold jewelry to erode very slight debris and local black stains. It is worth mentioning that the refreshing powder or moisturizing cream also contains similar particles, which will also make gold jewelry barely like the above.
    Cope: Wash the goldware with ultrasonic is safe. Do not wear gold to swim to the pool, and pay more attention to avoid making gold jewelry bears the sudden warming. If you just finish the steam bath, take a bath with cold water, and the gold jewelry wearing on your body will be deformed by the pressure of thermal expansion and contraction. The too hot environment is not suitable for saving gold wares. When cooking, pay attention to avoid hot smoke to damage your gold jewelry.
    2, the cause of the black jewelry of gold jewelry
    Stimer and harmful substances in the human body, chlorine substances, lactic acid, urea ammonia, etc., will have chemical reactions with silver and copper in gold jewelry, producing dark black Silver chloride and copper sulfide, this chemical salt sometimes drops from gold jewelry, will also pollute the skin of the wearer, leaving very obvious black stains.
    Cope: Washing is the simplest method with mild soap and soft brush (baby toothbrush). Avoid toothpaste containing abrasives. Water columns can also replace soft hair brushes. After cleaning the golden jewelry, you can use the old towel with a cotton velvet line to dry it or dry it on it.
    3, the less gold in the gold jewelry will be wearing less and less
    The gold in the gold jewelry will be wearing less and less, but the consumption of this quality cannot be seen by human eyes. At present, cosmetics have become one of the "characters" for people's lives. If it is applied to the skin of the gold jewelry, it will undoubtedly provide opportunities for cosmetics containing chemicals and the golden jewelry that is most afraid of chemical erosion. The results can be imagined. Some cosmetics also contain some fine hard particles, which can form another type of dirt, thereby wear gold jewelry.
    Cotheter: Avoid contact with cosmetics and skin care products. Before you go to the barber shop, it is best to remove your gold ornaments. Shampoo may also consume your gold.

  2. It will not be more yellow, unless you do cleaning and maintenance every day, and keep the luster and brightness when you just buy it. Essence
    In black because of chemical reactions. Even if it is a thousand -footed gold, it cannot reach 100%. It contains more or less impurities. If the generic is black, the gold jewelry will become black.

  3. Pay content for time limit to check for freenAnswer Hello, the more the gold wearing the darker is: the more darker the gold, the darker, the darker may be due to the wear. When the environment is relatively dry, the air contains more minimum dust. ", Can wear the golden surface out of the extremely fine debris, so that the black stains appear locally. In addition, the refreshing powder or moisturizing cream will also have the same effect. Gold is more darker and darker may be the cause of corrosion. Although the gold itself is not corroded, it will produce a strong affinity with sulfide. If the gold is exposed to the sulfide during the wearing process, the surface will make the surface present. Orange, brown -red and other dark colors make gold black.

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