进口五氧化二铌分子式:Nb2O5外观：本品为粉末状，呈白色或浅***。无肉眼可见的夹杂物。规格：根据使用要求及化学成份不同，产品分为：Nb2O5-1,Nb2O5-2,Nb2O5-3,具体指标如下表所示：Ta0.050.10.3Ti0.0010.0040.01W0.0030.010.03Mo0.0020.05--Cr0.0020.005--Mn0.0020.005--Fe0.0050.020.04Ni0.0050.020.04Cu0.0030.0050.005Al0.0030.0050.05Si0.0050.020.04As----0.005Sb----0.005Pb----0.005S----0.01P----0.01F0.100.150.15n/n.?0.50.50.5用途举例电容器铌粉、超导原料铌条等原料陶瓷电容器等原料)