From(the seller): MingLing (above), Mini chemical library (below)
Osmium Tetraoxide
Two tungsten crystal rods doped with some other metal; these crystals are deposited during long-term heating processes
From(the seller): MingLing (above), Mini chemical library (below)
Osmium Tetraoxide
Two tungsten crystal rods doped with some other metal; these crystals are deposited during long-term heating processes
