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| 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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