Tungsten crucible is a high-temperature resistant vessel made from high-purity tungsten powder (tungsten content >99.95%) through precise powder metallurgy and forming techniques. It maintains structural integrity and functional stability even in high-temperature environments, with its technological level influencing the precision of cutting-edge processes in fields like high-end crystal growth and special material smelting.

In the field of advanced materials, tungsten niobium alloy, a typical refractory metal composite, is gaining prominence as a critical foundational material in strategic sectors such as aerospace and high-end equipment manufacturing.

Silicotungstic acid, a key member of the polyoxometalate family, showcases significant application potential in materials science, chemical engineering, and biomedicine due to its unique molecular structure and excellent chemical properties. It is an inorganic compound composed of tungsten, silicon, hydrogen, and oxygen, with the molecular formula H₄[Si(W₃O₁₀)₄]·nH₂O and CAS number 12027-38-2.

Barium tungsten electrode is mainly used as the electrode material of spectral light source in high-precision spectral analysis, especially in certain specific types of discharge light sources (such as arc or spark discharge light sources), its role is crucial. The following are the specific roles and characteristics of barium tungsten electrode in high-precision spectral analysis: