配方类型:

METALS AND THEIR TREATMENT

配方说明:

Blackening Titanium (Japanese Patent 6716 (1956))

配方组成:

Water/1 l.
Potassium Permanganate/20 g.
Sulfuric Acid/50 cc.
Copper Sulfate/10 g.
Manganese Dioxide/10 g.

配制方法:

Treat at boiling point of solution for 20 to 30 minutes.