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| reagents | CAS No. | mass fraction | suppliers |
|---|---|---|---|
| gallium (Ga) | 7440-55-3 | 99.99% | Aladdin |
| indium (In) | 7440-74-6 | 99.995% | Aladdin |
| stannum (Sn) | 7440-31-5 | 99.5% | Aladdin |
| aluminum (Al) | 7429-90-5 | 99.99% | Beijing Xingrongyuan Technologgy Co., Ltd |
