 | 银丝, 0.127mm (0.005in) dia, annealed (metals basis)CAS：7440-22-4 |
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 | 钪箔, 0.127mm (0.005in) thick (REO)CAS：7440-20-2 |
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 | 钬 片 (metals basis excluding Ta)CAS：7440-60-0 |
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 | 铷 (metals basis)CAS：7440-17-7 |
|
 | 银丝, 0.127mm (0.005in) dia, annealed (metals basis)CAS：7440-22-4|1 |
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 | 铥箔, 0.1mm (0.004in) thick (REO)CAS：7440-30-4|1 |
|
 | 钪箔, 0.127mm (0.005in) thick (REO)CAS：7440-20-2|1 |
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 | 锶颗粒, 19mm (0.76in) & down (metals basis)CAS：7440-24-6 |
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 | 砷块 (metals basis)CAS：7440-38-2 |
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 | 铥箔, 0.1mm (0.004in) thick (REO)CAS：7440-30-4 |
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 | 铽锭 (REO), Ta <0.2%CAS：7440-27-9 |
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 | 钽箔, 0.127mm (0.005in) thick, hard (metals basis)CAS：7440-25-7 |
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 | 银丝, 0.127mm (0.005in) dia, annealed (metals basis)CAS：7440-22-4|2 |
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 | 铽锭 (REO), Ta <0.2%CAS：7440-27-9|1 |
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