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/30-60C Nickel sulfate/100 g/l Time/2-5 minutes Current density/0.4-3 A/dm^2

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