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FERRIC PHOSPHATE AND METHODS OF PREPARATION THEREOF

  • US 20110068295A1
  • Filed: 09/20/2010
  • Published: 03/24/2011
  • Est. Priority Date: 09/18/2009
  • Status: Active Grant
First Claim
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1. A crystalline ferric phosphate material, comprising:

  • less than about 1000 ppm sulfate ion;

    whereinthe molar ratio of phosphorous to iron is from about 1.001 to about 1.05;

    the ferric phosphate material has a surface area of from about 25 m2/g to about 65 m2/g; and

    the ferric phosphate material comprises less than 0.8 wt % metallic or magnetic impurities.

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