Method for measuring the quantity of a polymeric or pre-polymeri

Details Method for measuring the quantity of a polymeric or pre-polymeri Method for measuring the quantity of a polymeric or pre-polymeri

1996-03-08

2000-03-14

Ludlow, Jan

Chemistry: analytical and immunological testing

Tracers or tags

73149, 73582, 73866, 324 711, 32420722, 324219, 436149, G01N 1506, G01N 2700, G01N 2782

Patent

active

060371803

ABSTRACT:
A method for measuring the quantity of a polymeric or pre-polymeric composition within a given volume that includes combining the polymeric or pre-polymeric composition with a plurality of microparticles having a non-ferromagnetic or non-ferrimagnetic core provided with a coating that is ferromagnetic, ferrimagnetic, or conductive, to form an admixture in which the microparticles are substantially uniformly dispersed throughout the composition. The microparticles have a detectable electromagnetic characteristic which correlates with the amount of the composition within a given volume. The electromagnetic characteristic of the microparticles is then measured to determine the quantity of the composition within a given volume.

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