Division 5 For the purposes of this chapter, any alloy (including a sintered mixture and an inter-metallic compound) containing precious metal is to be treated as an alloy of precious metal if any one precious metal constitutes as much as 2 %, by weight, of the alloy. Alloys of precious metal are to be classified according to the following rules:
United Kingdom
- (a)
An alloy containing 2 % or more, by weight, of platinum is to be treated as an alloy of platinum.
- (b)
An alloy containing 2 % or more, by weight, of gold but no platinum, or less than 2 %, by weight, of platinum, is to be treated as an alloy of gold.
- (c)
Other alloys containing 2 % or more, by weight, of silver are to be treated as alloys of silver.