| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Coating for Drawing Stainless Steel (U.S. Patent 2,669,532) |
| 配方组成： |
Sodium Chlorate/4 lb.
Oxalic Acid/4 lb.
Water/100 gal.
Ferrous Oxalate/40 lb. |
| 配制方法： |
Immerse the steel in this solution for 3 to 10 minutes; then add 50 to 500 g. of potassium ferricyanide. |
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