Microingredient containing tracer
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United States of America Patent
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-
Mar 31, 1987
Grant Date -
N/A
app pub date -
Apr 16, 1985
filing date -
Apr 16, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tracer particle for determining the concentration of a microingredient in a bulk material is disclosed. The tracer particle comprises a finely divided ferromagnetic particulate material approximately 90% of which is approximately 325 mesh or smaller, a microingredient and a binder wherein the microingredient and ferromagnetic material are entrapped in the binder and wherein the tracer particle is approximately 35 to 80 mesh in size.
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