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Table 5 Recovery and precision of the method

From: A new LC–MS/MS method for multiple residues/contaminants in bovine meat

Analytes Added concentration (µg/kg) Concentration in the samples (µg/kg) Recovery (%) Intra-day precision CVr (%) Inter-day precision CVR (%)
Clenbuterol 0.05 0.052 104.00 5.54 16.49
0.25 0.263 105.20 4.27 7.02
0.50 0.511 102.20 14.05 7.74
Brombuterol 0.05 0.038 75.64 13.22 17.74
0.25 0.220 92.01 4.17 12.50
0.50 0.477 95.34 9.96 11.81
Mabuterol 0.05 0.038 76.00 4.73 10.27
0.25 0.230 92.00 3.37 5.87
0.50 0.477 95.40 8.23 10.37
Clenpenterol 0.2 0.175 87.50 18.78 27.23
0.5 0.469 93.80 5.24 7.55
0.75 0.716 95.47 1.37 9.36
Isoxsuprin 0.2 0.177 88.50 25.93 28.17
0.5 0.532 106.40 4.51 10.67
0.75 0.765 102.00 5.08 8.51
Cimbuterol 0.2 0.177 95.47 9.89 15.99
0.5 0.497 99.40 10.27 14.58
0.75 0.709 94.53 11.33 17.63
Ractopamine 0.2 0.193 96.50 6.33 11.32
0.5 0.522 104.40 10.13 11.63
0.75 0.772 102.93 6.57 9.69
Salbutamol 0.5 0.540 108.00 11.66 14.72
0.75 0.712 94.93 22.13 24.83
1.0 0.836 86.60 15.03 20.48
Zilpaterol 0.5 0.407 81.40 10.32 18.46
0.75 0.742 98.93 8.99 16.54
1.0 0.911 91.10 8.56 16.99
Terbutaline 0.5 0.581 116.20 1.28 5.32
0.75 0.699 93.20 16.83 23.62
1.0 0.774 77.40 6.10 17.09
Testosterone 1.0 0.715 71.50 8.39 13.65
3.0 2.15 71.66 8.84 14.61
5.0 3.58 71.60 6.70 9.26
Boldenone 1.0 0.92 92.0 5.43 9.94
3.0 2.44 81.34 15.16 19.91
5.0 3.89 77.80 3.89 7.50
Clostebol 1.0 1.04 104.0 12.50 15.6
3.0 3.28 109.34 8.54 18.84
5.0 5.04 100.80 4.17 6.70
Methyltestosterone 1.0 0.80 80.0 5.00 8.34
3.0 2.18 72.67 9.64 14.44
5.0 4.51 90.20 15.75 18.51
Stanozolol 1.0 0.93 93.0 5.38 9.39
3.0 2.74 91.33 3.29 7.02
5.0 4.46 89.20 11.44 15.09
19 nortestosterone 1.0 1.05 105.0 8.57 13.31
3.0 3.41 113.67 6.16 10.66
5.0 5.21 104.20 9.98 19.42
Zeranol 1.0 0.75 75.0 9.34 21.49
3.0 2.46 82.00 3.66 5.78
5.0 3.59 71.80 11.42 14.09
Taleranol 1.0 0.71 71.0 15.49 20.87
3.0 2.41 80.34 6.23 12.17
5.0 4.48 89.60 12.73 16.43
Amoxicillin 25.0 15.47 61.89 9.63 19.45
50.0 30.64 61.28 2.34 16.99
75.0 59.63 79.50 9.11 10.48
Oxacillin 150.0 159.36 106.22 8.78 15.16
300.0 278.48 92.83 10.49 15.86
450.0 423.35 94.08 9.71 14.20
Cloxacallin 25.0 19.74 78.96 13.98 20.71
50.0 37.47 74.94 9.45 14.19
75.0 64.78 86.37 11.07 13.71
Benzylpenicillin 25.0 21.35 85.44 15.04 16.84
50.0 51.28 102.56 5.44 12.49
75.0 71.54 95.39 5.90 8.11
Ampicillin 25.0 18.91 75.64 6.51 17.10
50.0 41.45 82.90 4.80 7.16
75.0 72.0 96.00 16.83 19.35
Ceftioflur 500.0 478.22 95.64 3.59 4.40
1000.0 923.18 92.32 1.87 2.89
1500.0 1399.28 93.29 1.80 2.30
Cephalexin 100.0 105.18 105.18 9.05 12.66
200.0 213.32 106.66 3.11 4.70
300.0 288.35 96.12 1.81 2.30
Enrofloxacin 50.0 56.89 113.78 2.26 12.44
100.0 76.71 76.71 8.90 16.95
150.0 123.36 82.24 7.52 11.98
Ciprofloxacin 50.0 40.56 81.13 25.88 34.04
100.0 83.35 83.35 8.72 8.86
150.0 139.22 92.81 1.84 10.61
Oxytetracycline 50.0 39.54 79.08 6.53 10.13
100.0 77.25 77.25 4.85 8.65
150.0 128.35 85.56 5.55 8.41
Sulfachloropyridazine 50.0 53.64 107.27 9.29 19.39
100.0 82.92 82.92 6.60 10.97
150.0 142.68 95.12 2.28 6.84
Sulfadiazine 50.0 48.49 96.98 8.60 16.12
100.0 74.94 74.94 6.60 7.08
150.0 135.92 90.61 6.71 8.04
Sulfadimetoxine 50.0 37.36 74.72 4.70 9.28
100.0 85.66 85.66 17.19 18.72
150.0 141.56 94.37 4.34 9.28
Sulfadimidine 50.0 43.15 86.30 2.11 5.22
100.0 96.57 96.57 4.89 9.15
150.0 148.84 99.23 5.23 8.60
Sulfamethoxazol 50.0 50.63 101.26 5.58 5.86
100.0 84.19 84.19 4.42 7.37
150.0 138.52 92.35 2.73 4.87
Carbofuran 5.0 3.99 79.8 5.26 10.37
10.0 9.25 92.52 15.78 19.75
15.0 14.54 96.93 8.62 9.78
Carbaryl 25.0 21.51 86.04 3.99 14.07
50.0 51.10 102.20 15.38 19.39
75.0 77.23 102.97 6.75 10.92
Parathion 25.0 16.32 65.28 7.54 9.27
50.0 36.18 72.36 5.84 7.93
75.0 59.87 79.82 8.37 10.23
Malathion 10.0 7.45 74.51 3.22 9.50
20.0 17.38 86.9 7.02 7.57
30.0 26.17 87.22 3.52 7.68
Diazinon 10.0 9.21 92.14 9.12 13.07
20.0 19.93 99.65 6.14 10.75
30.0 28.11 93.70 1.71 8.64
Dimethoate 25.0 16.46 65.84 4.01 5.86
50.0 35.78 71.56 9.17 18.61
75.0 59.85 79.80 7.45 7.61
Atrazine 25.0 21.45 85.80 8.96 10.29
50.0 49.78 99.56 6.45 9.47
75.0 69.64 92.85 2.75 5.66
Permethrin 25.0 26.13 104.52 11.35 13.43
50.0 51.48 102.96 7.81 12.45
75.0 78.13 104.17 0.97 2.85
Cypermethrin 1000.0 996.48 99.65 4.23 5.84
2000.0 1848.52 92.43 2.30 3.11
3000.0 2921.66 97.39 1.54 2.27
Deltamethrin 15.0 12.66 84.40 2.21 4.81
30.0 27.38 92.60 4.49 14.27
45.0 39.12 86.93 15.39 18.62
Coumaphos 10.0 8.49 84.90 10.83 16.42
20.0 17.86 89.30 11.25 16.04
30.0 28.33 94.43 8.75 14.70
Dichlorophos 25.0 23.84 95.36 1.22 2.33
50.0 47.56 95.15 4.65 5.42
75.0 73.12 97.49 3.47 6.69
Chlorpyrifos 5.0 3.28 65.6 2.26 6.43
10.0 7.11 71.15 1.54 2.78
15.0 11.64 77.60 8.51 12.64
Fenvalerate 12.5 9.22 61.47 4.99 11.62
25.0 20.35 81.4 3.56 7.58
50.0 35.18 70.36 14.84 19.64
Zearalenone 25.0 20.46 81.84 11.15 13.38
50.0 42.18 84.36 4.89 9.97
75.0 69.88 93.07 6.02 9.50
Ochratoxin A 25.0 18.46 73.84 5.15 6.89
50.0 33.58 67.15 4.11 6.00
75.0 65.14 86.85 11.02 13.86