Using silver can detect whether food is toxic, because silver can react with many toxins, making silver black and easy to be recognized by the naked eye. Before BC, the ancients knew that silver could accelerate wound healing, prevent infection, purify water and keep fresh. It can prevent the growth of bacteria, calm the five internal organs, calm the nerves, stop convulsions and eliminate evil spirits. ?
Silver has excellent antibacterial and bactericidal effects. Ordinary antibiotics can only work on an average of 6 kinds of bacteria, while silver can destroy 650 kinds of bacteria.
The maintenance method of extended data silverware includes:
1. Prevent silverware from blackening: hydrogen sulfide and sulfide blacken silverware, clean silverware, put it on a shelf, soak it in chlorine-free dilute alkaline water above 40℃ for 10 to 15 minutes, then take it out and rinse it thoroughly.
2. Blackening of silverware: Immerse silverware in 78℃ aluminum foil or salt water or soda water 1 ~ 3 minutes. Automatic tank washing can keep constant temperature and control time, and circulating water pump can make salt water rise and fall. This electrolytic method is effective only when the silverware is free of grease.
3. Silver polishing: Dry clean with sponge or cotton fabric with polishing agent, and then polish with clean and soft towel or absorbent cotton. A good brightener leaves only an invisible protective film.
References:
Baidu encyclopedia-silverware