Used for smelting metal chromium and chromium carbide, enamel, ceramics, glass, artificial leather, refractory materials, coloring of building materials, catalysts for organic synthesis, special inks for manufacturing light-resistant materials and printing banknotes, metal polishing materials, metal surface chromizing , magnetic materials, etc. Used in coatings, ceramics, rubber, art paints, and camouflage покрытия.
Хромовая кислота, дихромат натрия (или калий) и серная кальцинируют при высокой температуре. Или получено путем термического разложения дихромата аммония.
