配方类型：	METALS AND THEIR TREATMENT
配方说明：	Silver Anti-Tarnish
配方组成：	Potassium hydroxide/20 g/l 2. Sodium hydroxide hydroxide/0.125 oz/gal Potassium carbonate/40 g/l 2-mercaptobenzothiazole/1/3 " " 1. Potassium dichromate/20 g/l Room temp; 5 amp/ft^2; anodic; 15 seconds Room temp; 8 amp/ft^2; Cathodic; 15 seconds

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