CPC G01N 33/6848 (2013.01) [G01N 30/06 (2013.01); G01N 30/7233 (2013.01)] | 9 Claims |
1. A method of analyzing a sample comprising a fatty acid of interest, the method comprising:
preparing an aqueous solution comprising fatty acid of interest, wherein a concentration of the fatty acid of interest is less than about 1 μM;
placing the solution in contact with a surface of a polypropylene substrate, wherein the surface has been treated to reduce adsorption of the fatty acid of interest as compared to a non-treated surface; and
analyzing the sample using mass spectrometry with respect to the fatty acid of interest.
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