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Table 7 Reproducibility study at MRL, 0.5 MRL or concentration < 0.5 MRL

From: Primary validation of Charm II tests for the detection of antimicrobial residues in a range of aquaculture fish

FamilyCompoundSpiking concentration (µg/kg)Mean cpmSDrRSDr (%)
TetracyclinesChlortetracycline25 µg/kg (0.25 MRL)1224.5139.211.4
Oxytetracycline100 µg/kg (MRL)127792.67.2
MacrolidesErythromycin A100 µg/kg (0.5 MRL)1748.5156.18.9
200 µg/kg (MRL)1456.583.95.8
β-LactamsPenicillin G25 µg/kg (0.5 MRL)1204.9135.011.2
50 µg/kg (MRL)702.173.010.4
AminoglycosidesStreptomycin250 µg/kg (0.5 MRL)1110.698.78.9
500 µg/kg (MRL)1132.6171.415.1
SulfonamidesSulfathiazole25 µg/kg (0.25 MRL)943.778.18.3
100 µg/kg (MRL)647.118.12.8
  1. SDr standard deviation under reproducibility conditions, RSDr relative standard deviation under reproducibility conditions