Performance evaluation soil samples utilizing encapsulation tech

Details Performance evaluation soil samples utilizing encapsulation tech Performance evaluation soil samples utilizing encapsulation tech

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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