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| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Multicoloring Tin Plate |
| 配方组成： |
Nickel-molybdate colors may be produced on spangled, tinned steel by
making it cathode in the following solution
Ammonium molybdate/50 g/l
pH/4-6
Boric acid/30 g/l
Temperature/30-60'C
Nickel sulfate/100 g/l
Time/2-5 minutes
Current density/0.4-3 A/dm^2 |
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