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Table 5 Method validation results in Yam matrices: recovery %, relative standard deviation, LOD, LOQ and spiked concentration (0.0007 mg/kg)

From: Pesticides residue analysis in yam from selected markets across Ghana and Belgium: an evaluation of the QUECHERS method

Pesticide Recovery (%) RSD (%) LOD (mg/kg) LOQ (mg/kg)
Acetamiprid 84 9 0.0005 0.0015
Azoxystrobin 114 4 0.0003 0.0009
Bentazone 95 15 0.0007 0.0020
Butachlor 89 7 0.0004 0.0012
Cadusafos 105 9 0.0005 0.0014
Carbendazim 112 18 0.0007 0.0021
Carbofuran 98 6 0.0002 0.0007
Chlorpyrifos 90 12 0.0004 0.0011
Difenconazole 94 6 0.0002 0.0007
Diuron 79 18 0.0011 0.0032
Dimethoate 104 20 0.0010 0.0030
Diazinon 96 8 0.0004 0.0012
Epoxiconazole 103 9 0.0010 0.0031
Fenpropimorph 100 6 0.0002 0.0006
Imidacloprid 74 13 0.0007 0.0022
Malathion 101 7 0.0004 0.0013
Metalaxyl 103 14 0.0009 0.0026
Pendimethalin 107 12 0.0003 0.0009
Profenofos 72 9 0.0004 0.0013
Propanil 108 14 0.0005 0.0016
Propiconazole 95 5 0.0002 0.0007
Propoxur 95 7 0.0004 0.0012
Pyrachlostrobin 99 7 0.0004 0.0011
Tryfloxystrobin 105 5 0.0002 0.0007
Fenitrothion 112 14 0.0025 0.0074
  1. LOD limit of detection, LOQ limit of quantification, RSD relative standard deviation (%)