Open Access
Table 8
Concentration of each molecule in μg/kg measured before and after spiking and losses assessment.
Chlorpyriphos-methyl | Fenitrothion | Pirimiphos-methyl | Chlorpyriphos | Piperonyl butoxide | Cypermethrin | Deltamethrin | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Before | After spiking | Before | After spiking | Before | After spiking | Before | After spiking | Before | After spiking | Before | After spiking | Before | After spiking | |||||||||||||||
Batch 1 | 93 | ± 1 | 780 | ± 38 | − | 952 | ± 102 | 43 | ± 4 | 1 042 | ± 103 | – | 1 016 | ± 81 | 977 | ± 66 | 2 308 | ± 156 | 36 | ± 5 | 1 219 | ± 16 | 93 | ± 3 | 1 402 | ± 42 | ||
Batch 2 | 171 | ± 1 | 922 | ± 37 | − | 981 | ± 21 | 53 | ± 1 | 1 079 | ± 16 | – | 1 053 | ± 31 | 976 | ± 16 | 2 359 | ± 50 | − | 1 203 | ± 58 | 96 | ± 5 | 1 400 | ± 39 | |||
Batch 3 | 164 | ± 3 | 852 | ± 77 | − | 976 | ± 56 | 31 | ± 0 | 1 129 | ± 86 | – | 1 021 | ± 83 | 906 | ± 64 | 2 968 | ± 246 | − | 1 129 | ± 34 | 97 | ± 6 | 1 336 | ± 45 | |||
Batch 4 | 139 | ± 3 | 807 | ± 67 | − | 973 | ± 65 | 96 | ± 7 | 1 032 | ± 64 | – | 953 | ± 78 | 1 139 | ± 17 | 2 266 | ± 192 | − | 1 161 | ± 60 | 103 | ± 3 | 1 295 | ± 40 | |||
Batch 5 | 179 | ± 2 | 888 | ± 22 | − | 1 052 | ± 48 | 32 | ± 2 | 1 139 | ± 35 | – | 1 096 | ± 50 | 663 | ± 28 | 2 352 | ± 40 | − | 1 214 | ± 42 | 60 | ± 3 | 1 356 | ± 72 | |||
Batch 6 | 91 | ± 5 | 887 | ± 57 | − | 1 160 | ± 32 | 91 | ± 4 | 1 269 | ± 51 | – | 1 216 | ± 72 | 333 | ± 18 | 2 179 | ± 123 | − | 1 395 | ± 53 | 31 | ± 3 | 1 426 | ± 118 | |||
Batch 7 | 474 | ± 16 | 1 359 | ± 60 | − | 1 208 | ± 105 | 314 | ± 12 | 1 687 | ± 89 | – | 1 401 | ± 63 | 2 170 | ± 35 | 4 453 | ± 271 | − | 1 424 | ± 108 | 196 | ± 3 | 1 744 | ± 242 | |||
Batch 8 | 478 | ± 8 | 1 381 | ± 265 | − | 1 299 | ± 83 | 158 | ± 7 | 1 834 | ± 65 | – | 1 511 | ± 143 | 2 825 | ± 157 | 5 261 | ± 279 | − | 1 611 | ± 57 | 257 | ± 16 | 2 014 | ± 74 | |||
Batch 9 | 439 | ± 4 | 1 192 | ± 241 | − | 1 142 | ± 105 | 131 | ± 4 | 1 570 | ± 84 | – | 1 268 | ± 123 | 2 308 | ± 77 | 4 411 | ± 244 | − | 1 335 | ± 44 | 214 | ± 6 | 1 665 | ± 128 | |||
Batch 10 | 379 | ± 0 | 1 164 | ± 81 | − | 1 045 | ± 70 | 317 | ± 5 | 1 530 | ± 65 | – | 1 300 | ± 85 | 2 752 | ± 57 | 4 139 | ± 169 | − | 1 216 | ± 68 | 249 | ± 5 | 1 536 | ± 172 | |||
Average sample | 231 | ± 0 | 13 | ± 1 | 109 | ± 4 | 6 | ± 1 | 1 410 | ± 22 | − | ± 0 | 150 | ± 5 | ||||||||||||||
Mean 10 samples | 261 | ± 162 | 1 023 | ± 229 | − | 1 079 | ± 118 | 127 | ± 108 | 1 331 | ± 297 | – | 1 184 | ± 185 | 1 505 | ± 914 | 3 270 | ± 1 169 | 4 | 1 291 | ± 149 | 140 | ± 82 | 1 518 | ± 227 | |||
Theoretical dose | 3 228 | 2 848 | 3 066 | 2 959 | 4 322 | 2 964 | 3 120 | |||||||||||||||||||||
losses | 68% | 62% | 57% | 60% | 24% | 56% | 51% |
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