 | 铼棒, 4.7-5mm (0.19-0.2in) dia (metals basis)CAS：7440-15-5|1 |
|
 | 4-甲氧基-3-三氟甲基苄胺CAS：743408-04-0|1 |
|
 | 铷 (metals basis)CAS：7440-17-7|1 |
|
 | 钪箔, 0.127mm (0.005in) thick (REO)CAS：7440-20-2|1 |
|
 | 钒旋转片, 2.5cm (1.0in) & down (metals basis)CAS：7440-62-2|1 |
|
 | 钽箔, 0.127mm (0.005in) thick, hard (metals basis)CAS：7440-25-7|1 |
|
 | 镱块 (REO)CAS：7440-64-4|1 |
|
 | 钇块 (REO)CAS：7440-65-5|1 |
|
 | 铽锭 (REO), Ta <0.2%CAS：7440-27-9|1 |
|
 | 镧片 (REO)CAS：7439-91-0|1 |
|
| | Niobium foil, 0.127mm (0.005in) thick (metals basis excluding Ta), Ta 铌箔, 0.127mm (0.005in) thick,CAS：7440-03-1|1 |
|
 | 锇粉, -200 mesh (metals basis)CAS：7440-04-2|1 |
|
 | 铥箔, 0.1mm (0.004in) thick (REO)CAS：7440-30-4|1 |
|
 | 锌CAS：7440-66-6|1 |
|
 | 锆丝, 0.25mm (0.01in) dia (metals basis)CAS：7440-67-7|1 |
|
