normal align=center>铁矿石中伴生组分评价参考含量表
normal align=center>伴生组分
normal align=center>质量分数
normal align=center>伴生组分
normal align=center>质量分数
normal align=center>V2O5
normal align=center>0.15~0.20%
normal align=center>Mo
normal align=center>0.02%
normal align=center>TiO2
normal align=center>5%
normal align=center>S
normal align=center>2~4%
normal align=center>Co
normal align=center>0.02%
normal align=center>P2O5
normal align=center>1~2%
normal align=center>Cu
normal align=center>0.1~0.2%
normal align=center>Nb2O5
normal align=center>0.05%
normal align=center>Ni
normal align=center>0.1~0.2%
normal align=center>TR2O3
normal align=center>0.5%
normal align=center>Pb
normal align=center>0.2%
normal align=center>U
normal align=center>0.005%
normal align=center>Zn
normal align=center>0.5%
normal align=center>An
normal align=center>(0.1~0.3%)×10-6
normal align=center>Sn
normal align=center>0.1%
normal align=center>Ag
normal align=center>5×10-6
注:表中Co、Cu、Ni、Pb、Zn、Mo、S、Au、Ag系指这些元素赋存于硫化物中的质量分数;V2O5指赋存于有用铁矿物中的质量分数;P2O5指磷灰石状态时的质量分数;U指以晶质铀矿、方钍石等独立矿物存在时的质量分数;Nb2O5指以铌铁矿矿物为主的质量分数;TR2O5指以独居石、氟碳铈矿矿物为主时的质量分数;Sn指富集在铁精矿中的锡,当铁精矿还原焙烧时,锡被挥发,可在烟道中回收或在铁尾矿中呈锡石单独矿物的质量分数;TiO2指钒钛磁铁矿床中,可被选出的粒状钛铁矿中的质量分数;铁矿石中其他有用组分,如铬、镓、锗、硼等达到多少质量分数即可综合回收,目前尚无成熟经验,在工作中可据具体情况与有关部门商定;表中质量分数一般为块段平均品位。