| 配方类型： |
METALS AND TREATMENTS |
| 配方说明： |
Removing Chromium Plating |
| 配制方法： |
Reverse current in a solution of about 6 oz/gal each of caustic soda and soda ash, at 4-6 volts, room temperature, and reverse current in a solution of about 2 lb/gal chromic acid and 0.25 fl oz/gal sulfuric acid. |
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