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Fig. 2 | Journal of Analytical Science and Technology

Fig. 2

From: Method development for the quantitative determination of short chain fatty acids in microbial samples by solid phase extraction and gas chromatography with flame ionization detection

Fig. 2

Comparison of chromatograms of the eluent through SPE cartridge for the spiking control sample with SCFA standard (50 μg/mL) (a) DB-WAX, (b) Nukol™ column. Peak identities were as follows: (1) acetic acid, (2) propionic acid, (3) pivalic acid (IS), (4) butyric acid, (5) valeric acid

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