• Cobalt Oxide

    Cobalt Oxide

    Characters: black powder, insoluble in water and alcohol. Application: Paint, pigment, ceramic glaze, glassware and cobalt catalyst etc.

  • Nickel Oxide

    Nickel Oxide

    Characters: green powder; insoluble in water and alkali liquor, soluble in acid and ammonia water. Application: adhesive agent and colorant of enamel , pigment of cerami...

  • Bismuth Oxide

    Bismuth Oxide

    Characters: yellow powder; soluble in acid, insoluble in water. Application: spectral analysis reagent, high purity analytical reagent, varistor, thermistor, zinc oxide ...

  • Tantalum Oxide

    Tantalum Oxide

    Characters: white powder, insoluble in water and acid,soluble in the molten potassium hydrogen sulfate and hydrofluoric acid. Application: raw material of tantalum, as t...

  • Niobium Oxide

    Niobium Oxide

    Characters: white powder. Turn to yellow when heated, insoluble in water. Application: raw material of niobium, also used in optical glass and electronics industry.

  • Germanium Oxide

    Germanium Oxide

    Characters: white powder. Application: used in the production of metal germanium, also used for spectral analysis and semiconductor materials.

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