Analysis of environmental and material samples from spill sites: a suitable volume is injected into an ion chromatograph. Peak areas and retention times are used to identify and quantify species of interest relative to standards.*b (in gas chromatography)
The extraction residue dissolved in 10,0 ml of petroleum ether is subjected to quantitative analysis to determine the D9 THC content. This is performed with the aid of an internal standard and calculation of the peak areas.
