| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Coloring Copper Blue |
| 配方组成： |
Gelatin/0.5 oz/gal
Cathode current density/1.5 to 4 A/ft^2
Copper acetate/1.5 oz/gal
Formula No.
Sodium thiosulfate/8 oz/gal
Lead acetate/4 oz/gal
Temperature/200'F
Immersion time/30 to 60 sec. |
| 配制方法： |
At temperatures below about 170'F, thin yellow, green, or red films are obtained, depending on the immersion time. With an addition of potassium. |
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