标准号:IS 6344-1985
发布日期:1986/6/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard specifies requirements for cadmium metal recovered from zinc concentrate as a by-product.1.2 The requirement of cadmium cast directly from remelted cadmium is also brought under this scope as it is difficult to distinguish between primary and secondary cadmium coming into the market.