配方类型:

METALS

配方说明:

Nonpoisonous Copper Strike

配方组成:

Sulfuric Acid/To give pH 4-5
Sodium "Tetrine" Liquid Conc./37.00
"Duponol" MF/0.07
Copper Sulfate/5.00

配制方法:

Immerse for one to five minutes at 40 to 60'C.