Chemistry: analytical and immunological testing – Composition for standardization – calibration – simulation,...
Patent
1997-12-02
1999-08-17
Noland, Thomas P.
Chemistry: analytical and immunological testing
Composition for standardization, calibration, simulation,...
73863, 436174, G01N 138, G01N 128, G01N 3324
Patent
active
059393246
ABSTRACT:
Performance evaluation soil samples and method of their preparation using encapsulation technology to encapsulate analytes which are introduced into a soil matrix for analysis and evaluation by analytical laboratories. Target analytes are mixed in an appropriate solvent at predetermined concentrations. The mixture is emulsified in a solution of polymeric film forming material. The emulsified solution is polymerized to form microcapsules. The microcapsules are recovered, quantitated and introduced into a soil matrix in a predetermined ratio to form soil samples with the desired analyte concentration.
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Fisher Robert J.
Moser William R.
Noland Thomas P.
Park Daniel D.
The United States of America as represented by the United States
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