Reliability assessment of a gas chromatographic method for polycyclic aromatic hydrocarbons in olive oil.
A quality control test was developed for a gas chromatographic method to determine polycyclic aromatic hydrocarbons in olive oil. Fifteen oil specimens were fortified with eight three- to six-ring polycyclic aromatic hydrocarbons at levels of between 3.0 (approximate detection limit) and 360 micrograms/kg. Three sets of five equally fortified specimens were obtained and assayed at random by three operators. For each fortification level, the means of recovery yield were in the range 56-107%, and were independent of the polycyclic aromatic hydrocarbon congener specificity and the operator's capability. Excluding subsets of data associated with both the fortification level at the detection limit and a deviant polycyclic aromatic hydrocarbon term (benzo[ghi]perylene), an overall mean accuracy of 96% and a precision of 7% were achieved.
Menichini
E
E
Istituto Superiore di Sanità, Rome, Italy.
Di Domenico
A
A
Bonanni
L
L
Corradetti
E
E
Mazzanti
L
L
Zucchetti
G
G
D002849:Chromatography, Gas / Q000379:methods* / Q000592:standards*; D000069463:Olive Oil; D010938:Plant Oils / Q000032:analysis*; D011083:Polycyclic Compounds / Q000032:analysis*; D011786:Quality Control
D000069463:Olive Oil; D010938:Plant Oils; D011083:Polycyclic Compounds