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| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Deoxidizing Iron & Steel (British Patent 791,887) |
| 配方组成： |
Ammonium chloride/20 g.
Hydrochloric Acid (35%)/100 cc. |
| 配制方法： |
Heat to 70 to 75'C. and immerse metal for 30 seconds; rinse and dry. |
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