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产品描述
五氧化二铌 niobium pentaoxide
牌号Grade :FNb2O5-1 ,FNb2O5-2,FNb2O5-3
外观:Appearance:白色或淡黄色粉末 White or yellowish powder
| 牌号 | FNb2O5-1 | FNb2O5-2 | FNb2O5-3 | |
|
主含量, % 差减法(除F、灼损) |
99.9 | 99.8 | 99.5 | |
| 杂质含量,%, 不大于 | Ta | 0.05 | 0.08 | 0.3 |
| Ti | 0.001 | 0.002 | 0.005 | |
| W | 0.003 | 0.005 | 0.01 | |
| Mo | 0.002 | 0.003 | 0.005 | |
| Cr | 0.002 | 0.003 | 0.005 | |
| Mn | 0.002 | 0.005 | 0.005 | |
| Fe | 0.005 | 0.02 | 0.03 | |
| Ni | 0.005 | 0.01 | 0.02 | |
| Cu | 0.002 | 0.005 | 0.005 | |
| Al | 0.002 | 0.002 | 0.01 | |
| Si | 0.005 | 0.01 | 0.02 | |
| As | -- | -- | 0.005 | |
| Sb | -- | -- | 0.02 | |
| Pb | -- | -- | 0.005 | |
| S | -- | -- | 0.01 | |
| P | -- | -- | 0.01 | |
| F | -- | 0.15 | 0.15 | |
| 比表面 | -- | -- | 6.7-13.0 | |
| 灼损,%,不大于 | 0.5 | 0.5 | 1.00 | |
| 费氏粒度(ū m) | -- | -- | -- | |
| 用途 | 铌粉,超导 | 铌粉,超导 | 陶瓷电容器 | |
注:用户如有特殊要求,双方具体商定,Special requirements to be agreed upon by the supplier and buyer.
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