
Keywords: موسسه ی ملی استانداردها و تکنولوژی; BOM; Bureau of Meteorology; EDTA; ethylenediaminetetraacetic acid; Fcrit; critical value; PC-1; first principal component; GC-MS; gas chromatography - mass spectrometry; GCÃGC-TOFMS; comprehensive two-dimensional gas chromatography - time-of-flig