G - Physics – 01 – R
Patent
G - Physics
01
R
324/55
G01R 33/12 (2006.01) G01N 1/22 (2006.01) G01N 27/72 (2006.01) G01N 33/24 (2006.01) G01N 1/10 (2006.01)
Patent
CA 1180385
PROCESS AND EQUIPMENT FOR THE DETERMINATION OF THE MAGNETITE AND PHOSPHORUS CONTENTS OF MAGNETITE-CONTAINING ORES . ABSTRACT OF THE DISCLOSURE _ _ Process for the determination of the magnetite and phosphorus contents of magnetite-containing ores. A sample of dust which has been produced artificially or obtained as byproduct is collected and placed in an electromagnetic field. The magnetite content of the dust sample is determined from changes in the magnetic flux or the relative permeability. Subsequently the phosphorus content of the total dust sample mass is determined. Also the total dust sample mass is like- wise determined from changes in the magnetic flux or the relative permeability. The dust sample is preferably dried prior to measuring the change in the magnetic flux or the relative permeability. Equipment for carrying out the process includes a coil system having at least one measuring coil for determining the magnetite content. The core of the measuring coil forms a tube which has a minimum filling height that ex- ceeds the length of the coil. An additional measuring coil, whose length exceeds the maximum filling height of the tube, is provided for determination of the sample mass. The tube is connected to a reaction chamber for carrying out the phosphorus analysis. The reaction chamber is connected to reagent storage containers. A microprocessor is provided for evaluating the measured values and simultaneously controlling the operation of the equipment. The tube is connected to a dust collecting unit, preferably via an elbow.
368715
Heide Helga
Koenig Rainer
Sieglen Rolf
Weisser Wolfgang
Hirons & Rogers
Luossavaara-Kiirunavaara Ab
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