配方类型:

METALS AND THEIR TREATMENT

配方说明:

Coloring copper Golden Yellow

配方组成:

Nitric acid (1.42 sp gr)/2.5 fl oz/gal
Wetting agent such as sodium lauryl sulfate/0.1 oz/gal
Hydrochloric acid (1.20 sp gr)/0.75 fl oz/gal
Temperature/70 to 80'F
Sodium dichromate/20 oz/gal
Immersion time 1 min.
Sulfuric acid (1.84 sp gr)/0.4 fl oz/gal

配制方法: