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GB 23200.33-2016: Food safety national standard -- Determination of 110 pesticide residues in solution of solution of chlorpyrifos, picolafil and dipentrrole in food -- Gas chromatography-mass spectrometry
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Food safety national standard -- Determination of 110 pesticide residues in solution of solution of chlorpyrifos, picolafil and dipentrrole in food -- Gas chromatography-mass spectrometry
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GB 23200.33-2016
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Basic data | Standard ID | GB 23200.33-2016 (GB23200.33-2016) | | Description (Translated English) | Food safety national standard -- Determination of 110 pesticide residues in solution of solution of chlorpyrifos, picolafil and dipentrrole in food -- Gas chromatography-mass spectrometry | | Sector / Industry | National Standard | | Classification of Chinese Standard | G25 | | Word Count Estimation | 24,236 | | Date of Issue | 2016-12-18 | | Date of Implementation | 2017-06-18 | | Older Standard (superseded by this standard) | SN/T 2149-2008 | | Regulation (derived from) | State Health Commission, Ministry of Agriculture, Food and Drug Administration Notice No. 16 of 2016 | | Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China, State Food and Drug Administration | GB 23200.33-2016: Food safety national standard -- Determination of 110 pesticide residues in solution of solution of chlorpyrifos, picolafil and dipentrrole in food -- Gas chromatography-mass spectrometry
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Food safety national standard - Determination of 110 pesticide residues in solution of solution of chlorpyrifos, picolafil and dipentrrole in food.Gas chromatography-mass spectrometry
Instead of SN/T 2149-2008
case number.
National Standards of People's Republic of China
GB
National standards for food safety
Foods in the solution of grass oxalic acid, picolachine, dipropoxyphenols, etc. 110
Determination of pesticide residues
Gas chromatography - mass spectrometry
National food safety standards-
Determination of Benoxacor, Anilofos, Allidochlor 110 pesticides residues in foods
Gas chromatography - mass spectrometry
2016-12-18 Release.2017-06-18 Implementation
National Health and Family Planning Commission of the People 's Republic of China
Issued by the Ministry of Agriculture of the People 's Republic of China
State Administration of Food and Drug Administration
Foreword
This standard replaces SN/T 2149-2008 "in the import and export of food in the solution of grass oxalic acid, picolaf, dipentrione and other pesticide residues in the detection of 110
Determination of Gas Chromatography-Mass Spectrometry.
Compared with SN/T 2149-2008, the main changes are as follows.
- Standard text format is modified to national standard text format for food safety;
- the name of the "import and export food" to "food";
- increase the "other food reference implementation" in the standard range.
This standard replaced the previous version of the standard release.
-SN/T 2149-2008.
National standards for food safety
Determination of 110 Pesticide Residues in Foods, such as Dexamethasone, Saffe, Phenanthroline and
Gas chromatography - mass spectrometry
1 Scope
This standard specifies a method for the determination of residual residues in 110 pesticides (see Appendix A) for foodstuffs.
This standard applies to rice, brown rice, barley, wheat, corn in the determination of 110 pesticide residues, other food can refer to the implementation.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB 2763 National Standard for Food Safety - Maximum Residue Limit of Pesticides in Foodstuffs
GB/T 6682 Analytical laboratory water specifications and test methods
3 principle
The samples were washed with water and then extracted with acetone. Then, the samples were extracted by liquid-liquid distribution, gel permeation chromatography and solid phase extraction.
Line purification, with gas chromatography - mass spectrometry, standard curve external standard method quantitative.
4 reagents and materials
Unless otherwise stated, the reagents used were of analytical grade and the water was in accordance with the primary water specified in GB/T 6682.
4.1 Reagents
4.1.1 Acetone (CH3COCH3). Chromatographic pure.
4.1.2 Dichloromethane (CH2Cl2).
4.1.3 Cyclohexane (C6H12).
4.1.4 Ethyl acetate (CH3COOC2H5).
4.1.5 Acetonitrile (C2H3N).
4.1.6 Toluene (C7H8).
4.1.7 Sodium chloride (NaCl).
4.1.8 anhydrous sodium sulfate (Na2SO4). before use at 650 ℃ for 4 hours, stored in a dryer, cooling and standby.
4.2 solution preparation
4.2.1 Sodium chloride solution (15%, w/v). Weigh 15 g of sodium chloride, dissolve in 100 mL of water and shake well.
4.2.2 Cyclohexane-ethyl acetate (1 + 1, V/V). Take 100 mL of cyclohexane, add 100 mL of ethyl acetate and mix well.
4.2.3 acetonitrile - toluene (3 +1, V/V). take 300 mL of acetonitrile, add 100 mL of toluene, shake back.
4.3 standards
4.3.1 Pesticide reference substance. List of reference substances is shown in Appendix A, Standard substance purity ≥95%.
4.4 Pesticide standard solution
4.4.1 Standard stock solution. accurately weighed the appropriate standard (accurate to 0.1 mg), dissolved in acetone, prepared into a concentration of 500 μg/mL
Of the standard reserve solution, -18 ℃ frozen protected from light, valid for 3 months.
4.4.2 Mixed standard intermediate solution. 110 pesticides are divided into five groups, grouping see Appendix A. Remove a certain volume of standard reserves
Solution with acetone prepared into 10 mg/L mixed standard solution, 4 ℃ cold storage, valid for 1 month.
4.4.3 Substrate mixed standard Working solution. Remove a certain volume of mixed standard solution, add to 7.1 to 7.2 after purification
The blank sample matrix solution was mixed and fixed to 1.0 mL with acetone. Matrix mixed standard working solution should be used with the current distribution.
4.5 Materials
4.5.1 filter aid. celite 545, or equivalent.
4.5.2 Solid phase extraction column with graphitized non-porous carbon/amidopropylsilylated silylated silica gel. Envi-Carb/LC-NH2, 500 mg
/ 500 mg, 6 mL, or equivalent.
5 instruments and equipment
5.1 Analysis of balance. 0.01 g and 0.0001 g.
5.2 solid phase extraction device.
5.3 sample shredder. with 20 mesh sample sieve.
5.4 Oscillator.
5.5 Filtering device.
5.6 Rotary Evaporator.
5.7 nitrogen blowing instrument.
5.8 Vortex Oscillator.
5.9 Gas Chromatography-Mass Spectrometer. Equipped with an electron impact ionization source (EI).
5.10 Gel permeation chromatography. gel column (Bio-beads S-X3, 300 mm × 25 mm ID).
6 Preparation and storage of samples
6.1 Preparation of the sample
500 g of the sample was taken and the sampling site was carried out according to GB 2763 Appendix A, pulverized with a pulverizer and passed through a 20 mesh sieve.
Mix well, into a clean container, sealed and identified.
6.2 Sample storage
Samples stored at 0 ~ 4 ℃ in dark. Sampling, preparation and preservation of the sample should be prevented from contamination or residual pesticide content changes
The
7 Analysis steps
7.1 Extraction
Weigh the sample 20 g (accurate to 0.01 g) in a conical flask and add 20 mL of water for 30 min. Add 80 mL of acetone,
Placed on the oscillator for 30 min. Adding an appropriate amount of the filter aid to the suction filter, transferring the sample and the extract to the suction filter,
Decontamination filter, and then 3 × 5 mL acetone washing conical flask and sample residue, combined extract and washing solution, concentrated at 40 ℃ to about 20
ML. The above solution was transferred to a separatory funnel and 50 mL of a 15% (w/v) aqueous solution of sodium chloride was added to the separatory funnel in turn, 50 mL of bis
Methyl chloride, shaken for 5 min. After standing, the dichloromethane layer was collected and dehydrated with anhydrous sodium sulfate. Add 50 mL of methylene chloride. Repeat the above procedure
For. Combined with anhydrous sodium sulfate dehydrated dichloromethane, 40 ℃ water bath rotation concentrated to near dry, and then dry with nitrogen. Cyclohexane-
Ethyl acetate is set to 4.0 mL, to be purified.
7.2 Purification
7.2.1 Gel permeation chromatography purification
Place the solution to be purified in 7.1 on a gel chromatograph at a sample volume of 2.0 mL (equivalent to half the sample size), cyclohexane
- ethyl acetate as the mobile phase at a flow rate of 3.0 mL/min, discard the 0 ~ 20 mL eluent, collect the 21 ~ 70 mL eluent,
Water bath spin concentrated to near dry, and then dry with nitrogen. The residue was dissolved in 2 mL of acetonitrile-toluene solution.
7.2.2 solid phase extraction purification
The Envi-Carb/LC-NH2 solid phase extraction column was placed on a solid phase extraction apparatus. Pre-leaching with 10 mL of acetonitrile-toluene solution. Will be passed by 7.2.1
The purified solution was transferred to the solid phase extraction column and the eluent was collected at the same time. The container was washed with 3 x 1 mL acetonitrile-toluene solution and transferred to solid phase extraction
Take the column and adjust the device so that the eluent flow rate is about 2 mL/min. And then washed with 20 mL of acetonitrile-toluene solution solid phase extraction column, combined shower
Lotion. In 40 ° C water bath rotation concentrated to near dry, and then dry with nitrogen. With acetone to 1.0 mL, determined by gas chromatography-mass spectrometry.
7.3 Determination
7.3.1 Gas Chromatography - Mass Spectrometry Reference Conditions
A) Column. DB-5MS (30m × 0.25mm × 0.25μm) quartz capillary column or equivalent;
B) Column temperature. 60 ℃ for 2 min, first to 25 ℃/min temperature to 130 ℃, and then heated to 4 ℃/min to 180 ℃,
And then raised to 300 ° C at 6 ° C/min for 10 min.
C) Carrier gas. helium, purity ≥99.999%, flow rate 1.0 mL/min;
D) Inlet temperature. 250 ° C;
E) Injection volume. 2 μL;
F) Injection mode. pulse splitless injection, pulse pressure 20 psi, keep 1.5 min;
G) electron impact ionization source. 70 eV;
H) ion source temperature. 230 ° C;
I) Quadrupole temperature. 150 ° C;
J) GC-MS interface temperature. 280 ° C;
K) solvent delay time. 7 min;
L) Select the ion monitoring. each pesticide choose a quantitative ion, 1 to 3 qualitative ions, according to the retention time of pesticide group detection.
Pesticide retention time, quantitative ions, qualitative ions See Appendix B. Refer to Appendix C for the grouping time and dwell time of each group to detect ions.
7.3.2 Qualitative determination
When a sample is measured, if a chromatographic peak coincides with the retention time of the reference substance in the sample quality chromatogram, and after subtracting the background,
The selected ions in the corresponding spectrum of the chromatographic peaks (the deviation of the ion abundance ratio with the standard substance's abundance ratio satisfies the residual analysis
), You can determine the presence of this pesticide in the sample.
7.3.3 Quantitative determination
In order to reduce the effect of matrix on quantitative results, this method uses blank sample solution to arrange matrix mixed standard working solution, external standard method
Determination. The pesticide response in the sample should be within the linear range of the matrix mixed standard working solution. The method of reference material in the selection of various grain base
Select ion monitoring GC-MS mass chromatograms see Appendix D.
7.4 parallel test
Perform the parallel test of the same specimen according to the above procedure.
7.5 blank test
In addition to not taking the sample, are in accordance with the above steps.
8 results are calculated and expressed
The pesticide residue in the sample can be calculated by GC-MSD data processing software or calculated according to equation (1)
White value deduction. )
A × c × V
Xi = .. (1)
As × m × 1000
Where.
Xi - Pesticide residues in milligrams per kilogram, mg/kg;
A - the peak area of the quantitative ion chromatographic peak in pesticide;
C - concentration of pesticide in the matrix standard solution in milligrams per liter, mg/L;
V - the final volume of the sample solution, in milliliters, mL;
The peak area of the quantitative ion chromatographic peak of pesticide in As - matrix standard solution;
M - the final solution equivalent to the sample mass, in grams, g.
Note. The result of the calculation must be deducted from the blank value. The result of the measurement is expressed as the arithmetic mean of the parallel measurement, and the two valid digits are retained.
9 precision
9.1 The ratio of the absolute difference between the two independent determinations obtained under reproducibility and its arithmetic mean (percentage) shall be in accordance with
Appendix F requirements.
9.2 The ratio of the absolute difference between the two independent determinations obtained under reproducibility and its arithmetic mean (percentage) shall be in accordance with
Appendix G requirements.
10% limit and recovery rate
10.1 Quantitation limits
The method was applied to the determination of 110 pesticide residues in rice, brown rice, barley, wheat and maize, and the determination of various pesticides
Low limit of 0.01mg/kg.
10.2 Recovery rate
Using this method, five kinds of rice, brown rice, barley, wheat and corn were added to the recovery experiment, the level of 0.01 mg/kg,
0.05 mg/kg, 0.1 mg/kg, and the recoveries of the 110 pesticides in the five foods are shown in Appendix E.
Appendix A
(Informative)
Basic information on pesticide reference materials
Table A.1 pesticide Chinese name, English name, CAS number, mixed standard solution group table
Serial number Chinese generic name English generic name CAS number
Mixed standard dissolved
Liquid grouping
1 allyl alcohol Allethrin 584-79-2 A
2 Diacrylamide Allidochlor 93-71-0 A
3 Amperavalin Ametryn 834-12-8 A
4 Anilofos 64249-01-0 A
5 Atrazine Atrazine 1912-24-9 A
6 Oxycyclic Azaconazole 60207-31-0 A
7 Paulin Phosphorus Azinphos-methyl 86-50-0 A
8 Bendafenine Benfluralin 1861-40-1 A
9 solution grasses Benoxacor 98730-04-2 A
10 Diclofenac Boscalid 188425-85-6 A
11 Ethyl bromothiophosphate Bromophos-ethyl 4824-78-6 A
12 Ethyl pyrimethanol sulfonate Bupirimate 41483-43-6 A
13 Buprofezin Buprofezin 69327-76-0 A
14 Butafenacil 134605-64-4 A
15 Thiophosphate Cadusafos 95465-99-9 A
16 Brix Carbosulfan 55285-14-8 A
17 Caramel 5234-68-4 A
18 Acaricides Chlorbenside 103-17-3 A
19 Chlorethoxyfos 54593-83-8 A
20 insects and insects nitrenapyr 122453-73-0 A
21 Acaricides Chlorfenson 80-33-1 B
Chloride Chlorobazon 1698-60-8 B
23 Chloroanisole Chloroneb 2675-77-6 B
24 Chlorthal-dimethyl 1861-32-1 B
25 Clodinafop-propargyl 105512-06-9 B
26 Chloroformamide clomeprop 84496-56-0 B
27 Lactobacillus Cloquintocet-mexyl 99607-70-2 B
28 Cracks Cyanophos 2636-26-2 B
29 ring grass enemy Cycloate 1134-23-2 B
30 Cyclophosphamide Cyflufenamid 180409-60-3 B
31 Ophiopogon Diallate 2303-16-4 B
32 Wo Ling Ling Diclofop-methyl 51338-27-3 B
33 Pepsi Phosphorus Dicrotophos 141-66-2 B
34 Piper grass Dimepiperate 61432-55-1 B
35 Dimethoate 60-51-5 B
36 dimethomorphine Dimethomorph 110488-70-5 B
37 Bentonite Diofenolan 63837-33-2 B
38 dioxin Dioxathion 78-34-2 B
39 Diphenamidide 957-51-7 B
40 B-Phosulfide Disulfoton 298-04-4 B
41 Endosulfan-sulfate 1031-07-8 C
42 fluorocyclazole Epoxiconazole 106325-08-0 C
43 F-fenvalerate Esfenvalerate 66230-04-4 C
44 Ethylene Fentan Ethalfluralin 55283-68-6 C
45 Ethiophenes Ethion 563-12-2 C
46 Ethoxy Diclofenac Ethofumesate 26225-79-6 C
Acetoxazole 153233-91-1 C
48 imidazole ketone Fenamidone 161326-34-7 C
49 Phenanthroline Fenamiphos 22224-92-6 C
50 Benzenepine sulfone Fenamiphos-sulfone 31972-44-8 C
51 Fenbuconazole 114369-43-6 C
52 Flies Phosphorus Fenchlorphos 299-84-3 C
53 Pyramidol ester 2 Fluacrypyrim 229977-93-9 C
54 Phenanthroline green fluazifop-butyl 69806-50-4 C
55 flufenacetamide Flufenacet 142459-58-3 C
56 Flumiclorac pentyl 87546-18-7 C
57 Flumioxazin 103361-09-7 C
58 oxalic acid Fluthiacet-methyl 117337-19-6 C.
59 Stryrosol Flutriafol 76674-21-0 C
60 thiazolyl phosphorus Fosthiazate 98886-44-3 C
Stilbene Furilazole 121776-33-8 C
62 benzimidium ether Halfenprox 111872-58-3 C
63 Fluoropyrofen Haloxyfop-methyl 69806-40-2 C
64 Hexachlor Heptachlor 76-44-8 C
65 Hexachlorobenzene 118-74-1 C
66 Imazalil 35554-44-0 D
67 Indanofan 133220-30-1 D
Indoxacarb 144171-61-9 D
69 Chlorzopicol Isazofos 42509-80-8 D
70 isoprocarb 2631-40-5 D
71 rice blast Ling Isoprothiolane 50512-35-1 D
72 Biphenoxazole acid Isoxadifen-ethyl 163520-33-0 D
73 Lactofen 77501-63-4 D
74 Diethylpyrrolidate Mefenpyr-diethyl 135590-91-9 D
75 azoxystine Mepanipyrim 110235-47-7 D
76 Metalaxyl 57837-19-1 D
77 Insects Methacrifos 62610-77-9 D
78 metronachlor metolachlor 51218-45-2 D
79 Phytophosphate Mevinphos 26718-65-0 D
80 Dihydroxylamine Napropamide 15299-99-7 D
81 Trichloromethylpyridine Nitrapyrin 1929-82-4 D
82 Fluorfen Norflurazon 27314-13-2 D
83 Oxyfluorfen 42874-03-3 D
84 pendimethalin 40487-42-1 D
Phenothrin 26002-80-2 D
86 Phorate Phorate 298-02-2 D
87 Phosphamidon 13171-21-6 D
88 Piperophos 24151-93-7 D
89 Jasmine Prohydrojasmon 158474-72-7 D
Toxicant Propachlor 1918-16-7 D
91 propanil 709-98-8 D
92 Propofos Piper Propaphos 7292-16-2 E
93 Aniline Ling Propham 122-42-9 E
Pyralophosphate Pyrazophos 13457-18-6 E
95 Pyridine Pyriproxyfen 95737-68-1 E
96 picolone Pyroquilon 57369-32-1 E
97 Pentachlorobenzene Quintozene 82-68-8 E
98 Quizalofop-ethyl 76578-14-8 E
99 Silvanazole Simeconazole 149508-90-7 E
100 thiophosphate Sulprofos 35400-43-2 E
101 Ding Tillon Tebuthiuron 34014-18-1 E
102 Tetrachloronitrobenzene Tecnazene 117-18-0 E
103 oxazolamide Tolfenpyrad 129558-76-5 E
104 Triadimefon 43121-43-3 E
105 Triadimenol 55219-65-3 E
106 Wildhill Triallate 2303-17-5 E
107 Foliar Phosphorus Tribuphos 78-48-8 E
108 Tricyclazole 41814-78-2 E
Destroy the XMC 2655-14-3 E
110 Benzoylamine Zoxamide 156052-68-5 E
Note. The second column of the Chinese common name in italics is an isomer of the compound
Appendix B
(Informative)
Mass spectrometric conditions for GC/MSD determination
Table B.1. Retention time of pesticides, quantitative ions and qualitative ions
Serial number Chinese generic name English generic name
keep time
Min
Monitor ions
1 diacetophenanthrene Allidochlor 8.176 132 124 138 173
2-speed-off trans-Mevinphos 10.422 192 109 127 164
3-speed-off cis-Mevinphos 10.490 192 109 127 164
4 Trichloromethylpyridine Nitrapyrin 10.956 196 194 198
5 Aniline Ling Propham 11.176 179 93 137
6 Insects Methacrifos 11.968 208 125 180
7 Chloroanisole Chloroneb 12.153 191 206 208
8 Ding Tillon Tebuthiuron 12.480 156 157 171
9 isoprocarb 12.790 121 91 136
10 Elimination of Granville XMC 13.344 122 107 179
11 Tetrachloronitrobenzene Tecnazene 13.966 261 203 215
Propoxlor 14.363 120 176 211
13 Chlorethoxyfos 14.582 299 153 301
Cycloate 15.089 154 83 215
Ethanolluralin 15.372 276 316 292
16 Pepsi Phosphorus Dicrotophos 15.688 127 193 237
17 Bindalfen Benfluralin 15.897 292 264 276
18 Sulfur Phosphorus Cadusafos 16.236 159 214 270
Swallow enemy diallate 1 16.390 234 128 236
Potentrol Phorate
Hexachlorobenzene 16.598 284 282 286
22 Swallow enemy Diallate 2 16.782 234 128 236
23 Dimethoate 17.125 87 125 229
24 solution of oxazolam Furilazole 17.439 220 222 262
25 Pentachlorobenzene Quintozene 17.740 295 237 249
26 Atrazine 17.753.200 173 215
27 dioxin Dioxathion 18.081 270 197 153
28 Cannophilia Cyanophos 18.308 243 109 125
29 picolone Pyroquilon 18.462 173 130 144
Phosphamidon 1 18.646 127 138 264
31 B and P Disulfoton 19.062 274 88 142
32 jasmine Prohydrojasmon 19.164 83 153 184
33 Chlorzopicol Isazophos 19.181 257 161 285
34 Tri-allate 19.392 268 270 143
35 solution of oxalazine Benoxacor 19.770 120 259 261
Phosphamidon 2 20.241 127 138 264
37 propanil propanil 20.351 163 161 217
38 Silvanazole Simeconazole 20.829 121 211 278
39 heptachlor heptachlor 21.003 272 237 274
40 Metalaxyl Metalaxyl 21.148 206 220 234
Amoxicide Ametryn 21.179 227 185 212
Potato Phenanthrene
43 Ethoxy Diclofenac Ethofumesate 21.896 207 161 286
44 metolachlor metolachlor 22.268 162 238 240
45 methyl chlorophthalate Chlorthal-dimethyl 22.506 301 299 332
46 flufenacetamide Flufenacet 22.760 151 123 211
Glucosamine Triadimefon 22.772 208 181 210
48 Diphenamidate Diphenamid 23.191 167 165 239
49 thiazolophos
50 thiazolyl phosphorus Fosthiazate 2 23.313 195 227 283
51 pendimethalin pendimethalin 23.572 252 162 191 281
52 Allyl alcohol Allethrin 1 23.991 123 107 136
53 Allyl alcohol 2 Allethrin 2 24.035 123 107 136
54 Allyl alcohol Allethrin 3 24.185 123 107 136
55 Allyl alcohol Allethrin 4 24.231 123 107 136
56 Papyrus Dimepiperate 24.287 119 145 263
57 Triadimolol Triadimenol 1 24.297 168 112 128
58 Benzoylamine Zoxamide 1 24.378 187 242
59 Triadimenol 2 24.576 168 112 128
60 Ethyl bromothiophosphate Bromophos-ethyl 24.649 359 303 357
61 Acaricides Chlorbenside 24.668 125 127 268
62 Propolis Piper Propolis 24.823 220 262 304
63 Fluoroproline Haloxyfop-methyl 24.824 316 288 375
64 Azoxystine Mepanipyrim 25.256 222 221 223
65 Stryzolol Flutriafol 25.307 123 164 219
66 Diclofenac Napropamide 25.418 271 128 171
67 Phenanthroline Fenamiphos 25.445 303 217 288
68 Acaricidal Chlorfenson 25.540 177 302 304
69 Imazalil 25.585 215 173 217
70 tricyclazole Tricyclazole 25.591 189 161 162
71 Rice Blast Ling Isoprothiolane 25.722 204 231 290
72 Dephosphorites Tribuphos 26.066 169 202 258
73 Carpentry Carboxin 26.194 235 143
74 Buprofezin Buprofezin 26.197 105 172 305
75 Ethoxyphenanthrene Oxyfluorfen 26.202 252 300
76 Ethanol Phenol Sulfonate Bupirimate 26.209 208 273
77 Oxycyclazole Azaconazole 26.271 217 219
78 insects and insects nitrenapyr 26.497 59 247 408
79 Cyclofluramine Cyflufenamid 26.587 118 91 412
80 Phenanthroline Lentin Fluazifop-butyl 26.866 282 254 383
Amoxicine Ethanol 27.361 231 153 384
82 Pyramidol ester Fluacrypyrim 27.695 145 189 204
83 thiophosphate Sulprofos 27.866 322 156 280
Isoxadifen-ethyl 28.081 204 222 294
85 Fluorfenin Norflurazon 28.210 303 145 173
86 Endosulfan sulfate 28.334 272 387 422
87 Bentonite Diofenolan 1 28.386 186 225 300
Chlorobazon Chlorobazon 28.440 221 220 223
Amoxicillin Diofenolan 2 28.591 186 225 300
90 Clodinafop-propargyl 28.607 266 238 349
91 Strawberry Diclofop-methyl 29.054 253 281 340 342
92 fluorocyclazole Epoxiconazole 29.409 192 165 194
93 Benzoylamine Zoxamide 2 29.442 187 189 258
94 Diethyl pyrrolidine Mefenpyr-diethyl 29.529 253 255 299
95 Benzenepine sulfone Fenamiphos-sulfone 29.769 320 292 335
96 Butylcyclopedia Carbosulfan 29.843 160 118 163
Piperophos 30.183 122 140 320
98 Cloquintocet-mexyl 30.296 192 193 194
99 Acetoxazole Etoxazole 30.372 300 330 359
100 imidazole ketone Fenamidone 30.426 238 268
101 Indenone Indanofan 30.540 139 174 310
Erythrite Anilofos 30.582 226 125 184
103 Chloroformamide Clomeprop 30.762 288 120 148
Phenothrin 1 30.887 123 183 350
Phenothrin 2 31.085 123 183 350
106 Insulat...
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