Ketai new materials can provide customization of any combination of materials with almost all elements (except radioactive elements) in the "yuansuo periodic table". Some products have not been updated in time. Please consult customer service for special customization needs.
| 高纯钪靶材(Sc)essential information | |
| Molecular formula | Sc |
| purity | 99.99% |
| CAS No | 7440-20-2 |
| Molar mass | 44.956 |
| density | 2.985 g/cm³ |
| melting point | 1541 ℃ |
| boiling point | 2836 ℃ |
| Solubility (water) | 稀酸中缓慢溶解 |
钪是一种化学元素,元素符号是Sc,原子序数是21。单质是一种柔软、银白色的过渡金属,常跟钆、铒等混合存在,产量很少,在地壳中的含量约为0.0005%。
钪被空气氧化时略带浅黄色或粉红色,容易风化并在大多数稀酸中缓慢溶解。但是在强酸中表面易形成一个不渗透的钝化层,因此它不与硝酸(HNO3)和氢氟酸(HF)1:1混合物反应。
| 高纯钪靶材(Sc)Product application |
钪常用来制特种玻璃、轻质耐高温合金,掺钪氮化铝薄膜可用来做滤波器。