Slide 9 of 49
Notes:
Confirmatory methods are designed to identify the analyte and to quantify the residue present.
In the case of prohibited substances identification is important. Where possible, mass spectrometry or diode array spectroscopy is used to provide spectral data to confirm the presence of the analyte. Where drugs are licensed for use, quantitative data must be accurate around the maximum residue limit (MRL). Residues detected below this limit are permitted, but residues exceeding this limit are not. The emphasis of these confirmatory methods is to provide accurate quantitative data.
