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    • Chromium - Powder

      Discovered in 1780 by N.L. Vanquelin in Paris, France. Chromium is a bright, blue/white metal with excellent corrosion resistance. It is obtained by the aluminium reduction of Cr₂O₃, the source of which is chromite, a double oxide of chromium and iron which generally also contains magnesium. It has an abundance within the earth's crust of approximately 100 ppm. Chromium is soluble in HCl and H₂SO₄, but not in H₃PO₄, HNO₃ or HClO₄ due to the formation of a stable and insoluble oxide layer on its surface; this, along with its hardness, has been used to advantage in the chromium plating of steel which has good corrosion resistance. Chromium is alloyed with nickel in the manufacture of heat resisting alloys, and with iron, or nickel and iron, to produce stainless and heat resistant steels. Chromium is an important trace element for humans as it assists in the manufacture of glucose.

      Powder - Small particles with an approximately defined size range. Those materials described as alloy precursors are not true alloys - they are made by sintering a blend of powders of the component metals to achieve alloying by diffusion. The resultant cake is ground and sieved to the required particle size range. Unless otherwise stated, the particle sizes shown are for guidance only. We do not guarantee either any particular size distribution between the quoted minimum and maximum sizes, or a specific particle shape.

    5 results

    Product CR00-PD-000121 99.0% Chromium Powder 38 micron max Purity 99.0% -- Maximum Particle Size 38µm - Weight 10g - 10000g
    Product CR00-PD-000120 99.0% Chromium Powder 200 micron max Purity 99.0% -- Maximum Particle Size 200µm - Weight 10g - 10000g
    Product CR00-PD-000131 99.0% Chromium Powder <10 micron Purity 99.0% - Mean Particle Size <10 -- Weight 10g - 100g
    Product CR00-PD-000125 99.0% Chromium Powder 45 micron max Purity 99.0% Minimum Particle Size 38µm - Maximum Particle Size 45µm - Weight 10g - 10000g
    Product CR00-PD-000128 99.0% Chromium Powder 150 micron max Purity 99.0% Minimum Particle Size 45µm - Maximum Particle Size 150µm Product Shape Spherical Weight 10g - 1000g
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