| 
 项目  | 
 超低氧电解钛  | 
 低氧电解钛  | 
 单位  | 
 检测方法  | 
| 
 总纯度  | 
 ≥99.99  | 
 ≥99.99  | 
 %?[wt]  | 
 -  | 
| 
 Fe  | 
 ≤10  | 
 ≤10  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Al  | 
 ≤15  | 
 ≤15  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Cu  | 
 ≤10  | 
 ≤10  | 
 ppm [wt]  | 
 GDMS  | 
| 
 V  | 
 ≤2  | 
 ≤2  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Mn  | 
 ≤60  | 
 ≤60  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Si  | 
 ≤2  | 
 ≤2  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Sn  | 
 ≤1  | 
 ≤1  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Pb  | 
 ≤0.5  | 
 ≤0.5  | 
 ppm [wt]  | 
 GDMS  | 
| 
 As  | 
 ≤5  | 
 ≤5  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Bi  | 
 ≤0.5  | 
 ≤0.5  | 
 ppm [wt]  | 
 GDMS  | 
| 
 P  | 
 ≤0.5  | 
 ≤0.5  | 
 ppm [wt]  | 
 GDMS  | 
| 
 Sb  | 
 ≤0.5  | 
 ≤0.5  | 
 ppm [wt]  | 
 GDMS  | 
| 
 金属杂质元素总和  | 
 ≤100  | 
 ≤100  | 
 ppm [wt]  | 
 GDMS  | 
| 
 C  | 
 ≤20  | 
 ≤20  | 
 ppm [wt]  | 
 LECO  | 
| 
 H  | 
 ≤100  | 
 ≤100  | 
 ppm [wt]  | 
 LECO  | 
| 
 O  | 
 ≤150  | 
 ≤250  | 
 ppm [wt]  | 
 LECO  | 
| 
 N  | 
 ≤20  | 
 ≤20  | 
 ppm [wt]  | 
 LECO  |