Table 4 The percentage of geosmin and 2-MIB eluted by 2-proponal from a hydrophilic C18 μSPE cartridge over the first 200 μL at 50 μL intervals.

From: An automated micro solid phase extraction gas chromatography–mass spectrometry (μSPE-GC–MS) detection method for geosmin and 2-methylisoborneol in drinking water

Elution volume (μL)

Geosmin

2-MIB

cis-Decahydro-1-naphthol

Average ± SEM (%)

Average ± SEM (%)

Average ± SEM (%)

0 – 50

97.9 ± 0.043

99.2 ± 0.026

99.5 ± 0.037

50 – 100

1.5 ± 0.031

0.5 ± 0.018

0.3 ± 0.030

100 – 150

0.5 ± 0.014

0.2 ± 0.007

0.2 ± 0.003

150 – 200

0.2 ± 0.003

0.1 ± 0.001

0.1 ± 0.007

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