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  • Synthetic method and danger of nickel oxide

    Synthetic method and danger of nickel oxide

    The effect of this product on the skin is more common in production, mainly manifested as dermatitis or allergic eczema, and the rash has strong itching, which is called nickel pruritus....
  • The preparation method of superfine spherical chromium powder

    The preparation method of superfine spherical chromium powder

    The superfine spherical chromium powder mainly has the characteristics of high sphericity, smooth surface, less satellite spheres, low oxygen content, uniform particle size distribution, good fluidity, and high loose density and tap density. The particle...
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