灰色海绵状金属,纯净、无肉眼可见夹杂物。可用于化工及作为制造精密合金等的原料。
密度：21.45
熔点: 1769-1773℃
沸点: 3827℃
GB/T 1419-2004:
品级Grade IIIIII
铂含量不小于,% 99.9999.99999.95
杂质含量不大于,%
Pd0.0030.00030.02
Rh0.0030.00010.02
Ir0.0030.00030.02
Au0.0030.00010.01
Ag0.0010.00010.005
Cu0.0010.00010.005
Fe0.0010.00020.005
Ni0.0010.00010.005
Al0.0030.00030.005
Pb0.0020.00010.005
Mn0.0020.00010.005
Cr0.0020.001 0.005
Mg0.0020.001 0.005
Sn0.0020.001 0.005
Si0.003--0.005
Zn0.002--0.005
Bi0.002--0.005
杂质总量不大于Total 0.01 0.001 0.05