配方类型:

METALS AND THEIR TREATMENT

配方说明:

Corrosion Proofing Tin (Japanese Patent 261 (1958))

配方组成:

Water/1 l.
Sodium Phenol Sulfonate or Sodium Naphthol Sulfonate/2-20 g.
Sodium Chromate/3-30 g.

配制方法:

Immerse tin for a short time; rinse and dry.