Method and device including a bed of ferromagnetic fibers and ma

Details Method and device including a bed of ferromagnetic fibers and ma Method and device including a bed of ferromagnetic fibers and ma

1986-05-07

1987-09-08

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Fluid material examination

324 711, 324235, 340631, G01N 2774, G01R 3312

Patent

active

046926984

ABSTRACT:
An improved method and device for measuring magnetic particles in a liquid wherein a known amount of liquid is contacted with a bed of ferromagnetic fibers maintained in the magnetic field of a magnet with sufficient strength to substantially completely magnetize said particles for a time long enough for said particles to migrate to and be substantially completely captured by said fibers and having a magnetic flux sensor positioned between a pole face of said magnet and said bed wherein the distance from said sensor to the fibers farthest from said sensor is not greater than about 6 millimeters.

REFERENCES:
patent: 4492921 (1985-01-01), Sandulyak et al.

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