Purity:W 99.999%min Common uses: as electrode material for precision electron and high precision resistance industries.
Appearance:Silvery metallic bars
Common uses: as electrode material for precision electron and high precision resistance industries.
Specification:99.999%min (Calculated by subtractive method,excluding gas content)
Impurities content:(ppm,max)
Li | 0.03 | Be | 0.3 | B | 0.1 | F | 1.0 |
Na | 0.5 | Mg | 0.2 | Al | 0.6 | Si | 1.5 |
P | 1.0 | S | 1.0 | Cl | 1.0 | K | 0.07 |
Ca | 0.5 | V | 0.6 | Cr | 1.5 | Mn | 0.4 |
Fe | 1.5 | Co | 0.4 | Ni | 0.5 | Cu | 0. 5 |
Zn | 0.3 | Ga | 0.1 | Ge | 0.2 | As | 0.5 |
Zr | 0.2 | Nb | 0.2 | Mo | 0.8 | Ag | 0.05 |
Cd | 0.2 | In | 0.1 | Sn | 1.0 | Sb | 0.7 |
Ba | 0.5 | Pt | 0.2 | Au | 0.1 | Hg | 1.5 |
Pb | 0.1 | Bi | 0.3 | Th | 0.0005 | U | 0.0005 |
H | 5 | N | 5 | O | 20 |
Package:Special case, containing about 25kg net each.
ultra-pure tungsten bar