With the prosperity of our material culture, more and more people like to wear some gold and silver jewelry. The silverware with good quality and low price is more common in life. The silver jewelry with simple and fresh style and slightly design sense is favored by women. However, there are some rumors about silverware in terms of maintenance and health effects. What kind of jewelry materials do you have in contact with women? How much do you know about these rumors?
Can I try to find out if the food is poisonous with a silver needle?
Proverbs true and false: false
The storyline of the silver needle test has been seen many times in the TV series, and the astounding effect of the poison has made the audience marvel. But if you want to study it, you still have to figure out what it is like to test this poison.
In fact, the "poison" of the silver needle test in the folks refers to a specific poison - arsenic, namely arsenic trioxide. The ancient production technology was backward, causing a small amount of sulfur and sulfide in the arsenic. After contact with the silver needle, it formed a black "silver sulfide" on the surface. Therefore, the silver needle does not necessarily mean poison, but sulfide.
Some items are not toxic, but they contain a lot of sulphur, such as egg yolk. When the silver needle is inserted, it will turn black. On the contrary, sulphur-free toxic substances such as nitrite, pesticides, and cyanide, and silver needles are in contact with them, and there is no black reaction. Therefore, the silver needle test is not advisable in modern technology.
Wearing silver jewelry to black indicates that the physical condition is not good?
Proverbs true and false: false
When shopping at a gold and silver jewelry store, there are often clerk telling guests that buying silver jewelry is good for the human body. If the silverware worn is black, it proves that your body is weak, and the silverware can help you absorb the body. toxin. The more you wear the silverware, the better your body is. In fact, this is an unfounded statement.
As already mentioned above, the chemical action of silver and sulfur causes the silver to turn black. Because of its unstable elements, this blackening phenomenon is more common. The body's sweat contains sulfur, which works when it comes into contact with silver.
In addition, in the environment we are in daily, if the air quality is not good, it will also contain some acid gases, hydrogen sulfide, nitrogen monoxide and other compounds, which will also cause the silver ornaments to turn black. Even under normal circumstances, when silver jewelry is worn for about half a year, the surface will be oxidized and the color will become dull and tarnished. Therefore, it is not possible to judge your physical condition based on whether the silverware is black or not.
925 silver is pure silver?
Proverbs true and false: false
In fact, the so-called "925 Sterling Silver Jewelry" is actually not 100% silver. In addition to the 7.5% alloy added to the composition of pure silver, the gloss, brightness and hardness of silver are improved. Compared to 999 silver, which is both purer and softer, 925 silver is more suitable for jewelry.
Since Tiffany launched the first set of sterling silver jewelry with a silver content of 925 in 1851, 925 sterling silver jewelry has become a fashion darling, so the silver jewelry currently on the market uses 925 as the standard for identifying whether it is sterling silver.
The 925 sterling silver jewelry has a beautiful metallic luster after polishing, and it also has a certain hardness. It can be set with precious stones and made into high-end jewelry. Strictly speaking, 925 silver is the international standard silver for silver jewelry in the world, not pure sterling silver.
Silverware blackened with toothpaste?
Rumors true and false: true
I often hear people say that if your silver jewelry turns black, you can use toothpaste to clean it, so that the washed silverware is new and bright! This is a popular silverware maintenance method in the private sector. In fact, it is also very effective, just pay attention to the cleaning method.
To remove the silvery toothpaste, choose a transparent jelly-like toothpaste that will damage the softer silver surface.
Do not add water, use a dry hand to rub the silver jewelry, then use a paper towel to wipe the toothpaste attached to the silver jewelry. When you rub it, use a little force. Then you will find black stains on the paper towel and wipe it off. After that, wash off the remaining toothpaste with water and dry it with a soft cloth. A shiny silver necklace is born! However, it is important to remember that although toothpaste can clean silver, it must not be cleaned of stones such as diamonds and pearls.
The food in the silver bowl will not deteriorate for three days?
Rumors true and false: true
The Mongols like to use the silver bowl to welcome the guests from far away. This means not only showing respect to the guests, but also the food in the silver bowl is not easy to spoil. It is said that it will not deteriorate after three or five days. In fact, this argument relies mainly on the bactericidal effect of silver itself, which has a natural fresh-keeping effect on food, and the silver bowl has strong conductivity and fast cooling, and the food contained in it will not spoil.
Modern medicine believes that: silver can sterilize anti-inflammatory, detoxification and health, and prolong life. Therefore, in ancient times, many nobles and nobles used silver bowls and silver chopsticks to eat. Long-term use can speed up metabolism and enhance resistance.
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