Solid phase microextraction of trace amounts of organic analytes

Details Solid phase microextraction of trace amounts of organic analytes Solid phase microextraction of trace amounts of organic analytes

1995-02-28

1996-11-19

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Halogen containing

Carbon containing compound

436139, 436140, 436103, G01N 3048

Patent

active

055762174

ABSTRACT:
A method for enhancing detection sensitivity of suspected trace amounts of organic analytes and particularly semivolatile organic analytes extractable from a sample by an organic solvent carrier matrix and subsequent extraction and analysis of said trace organic analytes by SPME wherein the improvement comprises exchanging the organic solvent carrier matrix containing the trace organic analytes for an aqueous carrier matrix before performing SPME fiber extraction and detection of the trace organic analytes.

REFERENCES:
Water Pollution Mesearch Journal of Canada, vol. 24, No. 1, pp. 179-191 (1989).
Analytical Chemistry, vol. 62, No. 19, pp. 2145-2148 (1990).
Analytical Chemistry, vol. 59, No. 10, pp. 1475-1478 (1987).
A. A. Boyd-Boland et al., Environ. Sci. Technol. vol. 28, No. 13, pp. 569A-574A (1994).
Z. Zhang et al., Analytical Chemistry, vol. 66, No. 17, pp. 844A-853A (Sep. 1, 1994).
R. Shirey et al. "Analysis of Environmental Samples Using Solid Phase MicroExtraction (SPME)", Pittsburg Conference, 20 pp, Mar. 1994.

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