Abstract
The plasma emission detector (PED) uses a microwave-induced plasma (MIP) with oscillating interference filters as detector for capillary gas chromatography (GC) and accordingly ranges among the methods of optical emission spectroscopy (OES). The selective determination of hydrogen simultaneously with carbon is described. Furthermore hydrogen/carbon element ratios of different organic solvents will be determined by selected examples in order to demonstrate the absolute independence of a given matrix for each element. The experimental set-up used in this work resulted in a limit of detection for hydrogen of 5 ng absolute (0.5 ng/s) and a linearity of the calibration curve between 15–800 ng.
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