水中银的来源及处理 水中银的来源及处理SourceSilver (Ag) is a white, precious, metallic chemical element found in natural and finished water supplies. Silver oxide can be used as a disinfectant, but usually is not. Chronic exposure to silver results in a blue-gray color of the skin and organs. This is a permanent aesthetic effec…… http://www.samsco.com.cn/info/292.htm
