Indeed, graphite crucibles are capable of melting reactive metals. Graphite exhibits exceptional resistance to heat and possesses superb thermal conductivity, rendering it an optimal substance for high-temperature purposes such as the melting of reactive metals. Moreover, graphite is chemically inert and does not undergo reactions with majority of metals, including numerous reactive variants. Nevertheless, it is crucial to acknowledge that specific reactive metals, for instance alkali metals or certain rare earth metals, may react with graphite when exposed to elevated temperatures. In such scenarios, alternative crucible materials such as refractory metals or ceramics might be deemed more appropriate.
Yes, graphite crucibles can be used for melting reactive metals. Graphite is highly resistant to heat and has excellent thermal conductivity, making it an ideal material for high-temperature applications such as melting reactive metals. Additionally, graphite is chemically inert and does not react with most metals, including many reactive ones. However, it is important to note that there are certain reactive metals, such as alkali metals or certain rare earth metals, that can react with graphite at high temperatures. In such cases, alternative crucible materials like refractory metals or ceramics may be more suitable.
No, graphite crucibles should not be used for melting reactive metals as they can react with certain elements at high temperatures, causing contamination and compromising the quality of the final product.