I go to yunnan tourism, in silver city of Dali prefecture of bought a silver bowl, with a few times after come back, found that there are several black, which is know for silver teacher can tell me what's going on?
Bubble is a layer of silver water, after a long time is volatile!
As if is false ah, you can go to do the appraisal, am I wrong words are false, you got the short end of the stick.
Silver sterilization function in ancient times, Mongolian nomads are found in China, the horse milk in ordinary bowl, it smells bad in a few days, however, cheng fang horse milk in the bowl, but it can not bad for a long time, can still be found in a silver bowl is put in the bowl of water or water with a silver spoon, is after a few months, the water also not bad. The ancient egyptians were more than two thousand years ago will know that the silver piece to cover the wound, can prevent infection, wound good faster. Especially when people go out because of the dry mouth may not ze "thirst drinks", as long as the silver bracelet or silver doused in the water, and stir constantly, water to drink. This all suggests that silver can sterilization. So, why can sterilization silver? Because silver microorganisms, with adsorption of liquid microbial was silver after adsorption, respiration enzymes have lose efficacy, microorganisms will quickly die. Silver ions particularly strong sterilization ability, as long as two over one hundred million mg of silver ion in water at, can kill most of the bacteria in water. A U.S. scientists have done experiments, he will be 4.5 litres of water per ml of e. coli (more than seven thousand) after 3 hours of silver electrode after treatment, all all e. coli were killed. Typhoid bacteria on the silver strip can only live for 18 hours, diphtheria bacterium on the silver strip can only live for three days. It is because of the silver sterilization ability is very strong, and without any harm to human, at present, more than half of the world's airlines have used silver water filter. The swimming pool in many countries also use silver to purify, after purification, the water would not like to use chemicals to purify the water to stimulate the swimmer's eyes and skin. To summarize: silver ions has strong sterilization effect, can eliminate the 650 kinds of...
This is because your bowl, high purity, is the purity of 990, the silver will be the reaction of oxygen in the air oxygen generated silver, you can use toothpaste is wiped, use plastic bags are sealed isolation of direct contact with air.
