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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