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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. |
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