Patents Examined by Archie R. Brochelt
  • Determination of mineral concentrations in slurries thereof
    Patent number: 4090073
    Abstract: A method of x-ray diffraction determination of the concentration of predetermined minerals in slurries comprises presenting a sample in the form of a stream of slurry having areas of two opposing sides thereof unsupported by any boundary walls therefor, and making required determinations through the unsupported areas of the stream of slurry using x-radiation of a suitable wavelength.
    Type: Grant
    Filed: October 5, 1976
    Date of Patent: May 16, 1978
    Assignee: National Institute for Metallurgy
    Inventors: Johan P. R. De Villiers, George T. W. Ormrod