How to calculate relative content in gas chromatography?
In gas chromatography, the calculation of 'relative content' is typically used for qualitative or semi-quantitative analysis. Essentially, it uses a certain signal intensity (usually peak area) as an approximate indicator of compound content. Common methods for calculating relative content are as follows:
I. Conventional formula for relative content (uncorrected)
Figure 1
II. Formula for relative content using response factors (corrected)
Figure 2
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