Mock Platinum
A factitious platinum is produced by mixing 5 zinc with 8 brass. For composition of brass, see BRASS.
Mock Silver is a white-metal alloy, ordinarily used by jewellers, etc. If 3.53 of silver be alloyed with 11.71 copper and 2.4 of platinum, the composition will have about the same specific gravity as the pure metal. Packfong, or tutenag, another imitation, is composed of: copper 40.4, zinc 25.4, and nickel 31.6. German tutania: tin 48, antimony 4, copper 1. See SILVER ALLOYS; IMITATION SILVER.