Compound
Spiked conc (µg kg–1)
Intra-day repeatability (n=5)
Inter-day repeatability (n=3)
Conc. Found (mean+SD, µg kg–1)
RSD (%)
Accuracy (%)
MQCA
20
16.63±0.45
2.71
83.16
16.72±0.36
2.15
83.62
50
40.33±2.35
5.83
80.67
40.55±1.07
2.63
81.09
100
82.06±1.98
2.41
82.06
83.09±3.22
3.88
83.09
DQCT
16.59±0.68
4.12
82.96
16.99±0.36
2.13
84.95
41.35±0.87
2.12
82.69
42.28±1.17
2.78
84.56
81.44±1.83
2.25
81.44
82.88±3.62
4.37
82.88
QCT
16.99±0.49
2.90
17.08±0.66
3.89
85.38
40.71±1.87
4.58
81.42
41.37±2.13
5.14
82.74
77.99±5.16
6.62
77.99
80.70±2.39
2.96
80.70
1-DQCT
17.31±0.71
4.11
86.54
16.80±0.66
3.91
84.01
40.96±2.00
4.89
81.93
42.37±2.15
5.08
84.74
82.85±5.28
6.37
82.85
83.65±2.45
2.93
83.65
4-DQCT
16.92±0.34
2.00
84.61
16.60±0.44
2.65
83.00
42.18±2.74
6.40
85.62
41.65±1.03
2.46
83.31
83.87±3.39
4.04
83.87
84.92±2.24
2.64
84.92
