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GB 23200.11-2016: Food safety national standard -- Determination of 413 Pesticides and Related Chemicals Residues in Mangzhi, Honeysuckle, Medlar and Lotus Leaves by Liquid Chromatography-Mass Spectrometry
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Food safety national standard -- Determination of 413 Pesticides and Related Chemicals Residues in Mangzhi, Honeysuckle, Medlar and Lotus Leaves by Liquid Chromatography-Mass Spectrometry
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Basic data | Standard ID | GB 23200.11-2016 (GB23200.11-2016) | | Description (Translated English) | Food safety national standard -- Determination of 413 Pesticides and Related Chemicals Residues in Mangzhi, Honeysuckle, Medlar and Lotus Leaves by Liquid Chromatography-Mass Spectrometry | | Sector / Industry | National Standard | | Classification of Chinese Standard | G25 | | Word Count Estimation | 59,595 | | Date of Issue | 2016-12-18 | | Date of Implementation | 2017-06-18 | | Older Standard (superseded by this standard) | GB/T 23201-2008 | | Regulation (derived from) | State Health Commission, Ministry of Agriculture, Food and Drug Administration Notice No.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 23200.11-2016: Food safety national standard -- Determination of 413 Pesticides and Related Chemicals Residues in Mangzhi, Honeysuckle, Medlar and Lotus Leaves by Liquid Chromatography-Mass Spectrometry
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Food safety national standard - Determination of 413 Pesticides and Related Chemicals Residues in Mangzhi, Honeysuckle, Medlar and Lotus Leaves by Liquid Chromatography-Mass Spectrometry
Replacing GB/T 23201-2008
ICS
National standards for food safety
Mulberry, honeysuckle, medlar and lotus leaf 413 kinds of farmers
Determination of residues of drugs and related chemicals
Liquid chromatography - mass spectrometry
National food safety standards-
Determination of 413 pesticides and related chemicals residues in mulberry twig,
Honeysuckle, barbary wolfberry fruitand lotus leaf
Liqulid chromatography-mass spectrometry
2016-12-18 Release.2017-06-18 Implementation
National Standards of People's Republic of China
Directory
Preface II
1 Scope 1
2 normative reference document 1
Principle 1
4 reagents and materials 1
5 instruments and equipment 2
6 Preparation of sample 2
7 Analysis Step 2
Calculation and presentation of results 4
9 precision 4
10% limit and recovery rate 4
Appendix A (informative) 413 kinds of pesticides and related chemicals in English name, method of quantitative limit, grouping, solvent selection and mixing
Standard solution concentration Table 5
Appendix B (informative) 413 pesticides and related chemicals Monitoring of ion impact energy, source fragmentation voltage and retention
Between 1 5
Appendix C (informative) 413 Pesticide and Related Chemicals Multiple Reaction Monitoring (MRM) Chromatogram 24
Appendix D (informative) Relative standard deviation in laboratory 4 2
Appendix E (informative) Relative standard deviation between laboratories
Appendix F (informative) Experimental data on the concentration and recovery of samples
Foreword
This standard replaces GB/T 23201-2008 "413 kinds of pesticide and related chemical residues in mulberry, honeysuckle, medlar and lotus leaf
Determination of liquid chromatography - tandem mass spectrometry ".
This standard compared with GB/T 23201-2008, the main changes are as follows.
- Standard text format is modified to national standard text format for food safety;
- increase the "other food reference implementation" in the standard range.
This standard replaced the previous version of the standard release.
-GB/T 23201-2008.
National standards for food safety
813 pesticides and related chemical residues in mulberry, honeysuckle, medlar and lotus leaf
Determination of liquid chromatography - mass spectrometry
1 Scope
This standard specifies the residues of 413 pesticides and related chemicals (see Appendix A and Appendix E) residues in mulberry, honeysuckle, medlar and lotus leaf
Determination of liquid chromatography - mass spectrometry.
This standard applies to the determination of 413 pesticides and related chemicals residues in mulberry, honeysuckle, medlar and lotus leaf, and other foods may be
Refer to execution.
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 extracted with acetonitrile homogenate, salted out by centrifugation and solid phase extraction column. The pesticide and related chemicals were eluted with acetonitrile-toluene solution (3 1)
Determination by liquid chromatography - tandem mass spectrometry, external standard method.
4 reagents and materials
Unless otherwise specified, all reagents are of analytical grade and water is in accordance with the primary water specified in GB/T 6682.
4.1 Reagents
4.1.1 Acetonitrile (CH3CN, 75-05-8). Chromatographic Purification.
4.1.2 Toluene (C7H8, 108-88-3). Chromatographic pure.
4.1.3 Methanol (CH3OH, 67-56-1/170082-17-4). Chromatographic Purification.
4.1.4 Cyclohexane (C6H12,110-82-7). Chromatographic purity.
4.1.5 Isooctane (C8H18,540-84-1). Chromatographic pure.
4.1.6 Sodium chloride (NaCl, 7647-14-5).
4.1.7 anhydrous sodium sulfate (Na2SO4,7757-82-6). 650 ℃ burning 4h, stored in a dryer, cooling and standby.
4.2 standards
Pesticide and Related Chemical Reference Material. Purity ≥95%, see Appendix A.
4.3 standard solution preparation
4.3.1 Standard stock solution
Respectively, to take appropriate (accurate to 0.1mg) pesticides and related chemical standards in 10mL volumetric flask, according to the standard solubility of the election
Methanol, toluene, cyclohexane or isooctane and other solvents dissolved and constant volume to the scale (solvent options see Appendix A). The standard stock solution is protected from light by 0 ° C
~ 4 ℃ preservation, preservation period of one year.
4.3.2 Mixing standard solutions (mixed standard solutions A, B, C, D, E, F and G)
413 pesticides and related chemicals are classified into A, B, C, D, E, F according to the nature and retention time of pesticides and related chemicals
And G seven groups, and according to the sensitivity of each pesticide and related chemicals on the instrument to determine its concentration in the mixed standard solution.
This standard classifies 413 pesticide and related chemicals and their mixed standard solution concentrations (see Appendix A).
Depending on the concentration of each pesticide and associated chemical, the concentration of the standard solution and the concentration of the standard stock solution,
Pesticide and related chemicals standard stock solution in a 100mL volumetric flask, with a fixed volume of methanol to the mark. Mixed standard solution light 0 ℃ ~ 4 ℃
Save, save for one month.
4.3.3 matrix mixed standard working solution
Pesticide and related chemicals Substrate mixed standard working solution is prepared by mixing the sample with different concentrations of the substrate mixed with standard working solution
Liquid A, B, C, D, E, F and G are used for standard working curves.
Matrix mixed standard working solution should be used with the current distribution.
4.4 Materials
4.4.1 Cleanert TPH
1 column. 10mL 2.0g, or equivalent.
4.4.2 Microporous membrane (nylon). 13mm × 0.2μm.
5 instruments and equipment
5.1 Liquid Chromatography - Tandem Mass Spectrometer. Equipped with electrospray ion source (ESI).
5.2 Analysis of balance. 0.01 g and 0.0001 g.
5.3 Homogenizer. The maximum speed is 24000 r/min.
5.4 Centrifuge. The maximum speed is 4200 r/min.
5.5 Rotary evaporator.
5.6 chicken heart bottle. 150 mL.
5.7 Pipettes. 1 mL.
5.8 Centrifugal tube. 50 mL.
5.9 Vials. 2 mL, with Teflon capping.
5.10 nitrogen dryers.
6 sample preparation
Will mulberry, honeysuckle and lotus leaf three kinds of Chinese herbal medicine grinding into fine powder, the sample all over 425μm standard mesh sieve, mix well, prepared
Samples are divided into two, into the cleaning container, sealed, marked mark. Wolfberry can be used directly.
7 Analysis steps
7.1 Extraction
Weigh the honeysuckle, medlar, lotus leaf and mulberry sample 2g (accurate to 0.01g) in 50mL centrifuge tube, add 15mL acetonitrile
And then add 2g of sodium chloride, and then homogenate extraction 1min, 4200 r/min
Centrifuge 5min, take all the supernatant in 150 mL chicken heart bottle, in the centrifuge tube and then add 15mL acetonitrile, repeat homogenate extraction 1min,
4200 r/min centrifugal 5min, take all the supernatant and the previous extract combined in 40 ℃ water bath rotation to 1 mL ~ 2mL, to be purified.
7.2 Purification
Add about 2 cm of anhydrous sodium sulfate to the Cleanert TPH column and place it on a holder. Add 10 mL of acetonitrile-toluene solution before loading
Pre-wash the column, when the pre-wash liquid level to reach the top of anhydrous sodium sulfate, the rapid concentration of the sample into the column, and with the heart of the bottle to receive leaching
Out of liquid. Respectively, with 2mL acetonitrile - toluene solution washed heart bottle twice, the washing liquid is also transferred into the column, the column connected 25mL reservoir,
With 25mL acetonitrile - toluene solution of pesticides and related chemicals, the eluent in the 40 ℃ water bath spin concentrated to 1 mL ~ 2 mL, will be concentrated
The solution was dried on a nitrogen dry drier, 1 mL of acetonitrile-water was added, mixed with a 0.2 μm filter, and analyzed by liquid chromatography-tandem mass spectrometry.
7.3 Determination
7.3.1 Liquid Chromatography - Tandem Mass Spectrometry Conditions
7.3.1.1 A, B, C, D, E, F LC-MS-MS measurement conditions (ESI positive ion source)
A) Column. ZORBOX SB-C18, 3.5 μm, 100 mm x 2.1 mm (inner diameter) or equivalent;
Cleanert TPH is a trade name of Agela's products, and this information is intended for the convenience of users of this standard and is not intended to endorse the product. If other equivalent products
With the same effect, you can use these equivalent products.
B) mobile phase and gradient elution conditions in Table 1;
Table 1 Mobile phase and gradient elution conditions table
Total flow/min Flow rate/(μL/min) Mobile phase A (0.1% formic acid) /% Mobile phase B (acetonitrile) /%
0 0.00 400 99.0 1.0
1 3.00 400 70.0 30.0
2 6.00 400 60.0 40.0
3 9.00 400 60.0 40.0
4 15.00 400 40.0 60.0
5 19.00 400 1.0 99.0
6 23.00 400 1.0 99.0
7 23.01 400 99.0 1.0
C) Column temperature. 40 ° C;
D) Injection volume. 10 μL;
E) ion source. ESI;
F) Scanning mode. positive ion scanning;
G) Detection method. multiple reaction monitoring;
H) ion spray voltage. 4000V;
I) atomization gas pressure. 0.28 MPa;
J) Dry gas temperature. 350 ° C;
K) Dry gas flow rate. 10 L/min;
L) Monitor ion pair, collision energy and source fragmentation voltage See Appendix B.
7.3.1.2 Group G LC-MS-MS Assay Conditions (ESI Negative Ion Source)
A) Column. ZORBOX SB-C18, 3.5 μm, 100 mm x 2.1 mm (inner diameter) or equivalent;
B) mobile phase and gradient elution conditions in Table 2;
Table 2 Mobile phase and gradient elution conditions table
Total flow time/min Flow rate/(μL/min) Mobile phase A (5 mmol/L ammonium acetate water) /% Mobile phase B (acetonitrile) /%
0 0.00 400 99.0 1.0
1 3.00 400 70.0 30.0
2 6.00 400 60.0 40.0
3 9.00 400 60.0 40.0
4 15.00 400 40.0 60.0
5 19.00 400 1.0 99.0
6 23.00 400 1.0 99.0
7 23.01 400 99.0 1.0
C) Column temperature. 40 ° C;
D) Injection volume. 10 μL;
E) ion source. ESI;
F) scanning method. negative ion scanning;
G) Detection method. multiple reaction monitoring;
H) ion spray voltage. 4000V;
I) atomization gas pressure. 0.28 MPa;
J) Dry gas temperature. 350 ° C;
K) Dry gas flow rate. 10 L/min;
L) Monitor ion pair, collision energy and source fragmentation voltage See Appendix B.
7.3.2 Qualitative determination
When the sample is measured under the same experimental conditions, if the retention time of the detected chromatographic peaks is consistent with the standard sample,
After the background of the sample mass spectrum, the selected ions are present, and the selected ion abundance ratio is proportional to the ion abundance ratio of the standard sample
(Relative abundance > 50%, allow ± 20% deviation; relative abundance > 20% to 50%, allow ± 25% deviation; relative abundance > 10% to
20%, allow ± 30% deviation; relative abundance ≤ 10%, allow ± 50% deviation), you can determine the presence of this sample pesticide or related chemistry
Goods.
7.3.3 Quantitative determination
In this standard, liquid chromatography-tandem mass spectrometry was quantitatively determined by external standard-calibration curve method. To reduce the impact of matrix on quantitative determination, quantitative use
The standard solution should be prepared using a standard solution of the matrix mixed standard solution. And to ensure that the measured samples of pesticides and related chemicals response value
Are within the linear range of the instrument. 413 Pesticide and Related Chemical Multiple Reaction Monitoring (MRM) chromatograms, see Appendix C.
7.4 parallel test
Perform the parallel test of the same specimen according to the above procedure.
7.5 blank test
Unless the sample is not weighed, according to the above steps.
8 results are calculated and expressed
The results of liquid chromatography-tandem mass spectrometry were quantified by standard curve method. The quantitative results of standard curve method were calculated according to formula (1)
Xi = ci ×
(1)
M 1000
Where.
Xi - Residue of test component in milligrams per kilogram (mg/kg);
Ci - the concentration of the solution to be measured from the standard curve, in micrograms per milliliter (μg/mL);
Volume of sample solution in milliliters (mL); V -
M - The weight of the sample represented by the sample solution, in grams (g).
The result of the calculation should be deducted from the blank value. The result of the measurement is expressed by the arithmetic mean of the parallel measurement, and the two valid digits are retained.
9 precision
9.1 The ratio (percentage) of the absolute difference between the two independent determinations obtained under reproducibility and its arithmetic mean shall be in accordance with the Appendix
D 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 the
Record the requirements of E.
10% limit and recovery rate
10.1 Quantitation limits
The quantitative limits of this method are given in Appendix A.
10.2 Recovery rate
When adding levels of L0Q, 4 × LOQ, add the recovery rate see Appendix F.
Appendix A
(Informative)
413 kinds of pesticides and related chemicals in English name, method of quantitative limit, grouping, solvent selection and mixed standard solution concentration table
A.1413 kinds of pesticides and related chemicals in English name, method of quantitative limit, grouping, solvent selection and mixed standard solution concentration table
See Table A.1.
Table A.1 413 kinds of pesticides and related chemicals in English name, method of quantitative limit, grouping, solvent selection and mixed standard solution concentration table
Chinese name English name
The limit of quantitation/
Solvent
Mixed standard
Quasi solution
concentration
/ (Mg/L)
(Μg/kg)
Group A
1 aniline spirit propham 220.0000 toluene 11
2 isoprocarb isoprocarb 4.6000 methanol 0.23
3 3,4,5-acylated 3,4,5-trimethacarb 0.6800 methanol 0.03
4 cycloplock cycluron 0.4200 methanol 0.02
5 Carbaryl carbaryl 20.6400 Methanol 1.03
6 Toxicant propachlor 0.5400 Methanol 0.03
7 pimidazole raenzazole 2.6600 Methanol 0.13
8 West grass net a simetryn 0.2800 Methanol 0.01
9 Green Valley Long monolinuron 7.1200 Methanol 0.36
10 times out of phosphorus mevinphos 3.1400 Toluene 0.16
11 azepine aziprotryne 2.7600 methanol 0.14
12 Micronautics Secancownet 0.1400 Methanol 0.01
13 Azathione Sulfonamide cyprodinil 1.4800 Methanol 0.07
14 Sulong Long buturon 17.9200 Methanol 0.9
15 bisacyl chloride carbetamide 7.2800 methanol 0.36
16 pirimicin pirimicarb 0.3000 methanol 0.02
Clomazone dimethazone 0.8400 methanol 0.04
18 cyanocobalt cyanazine 0.3200 methanol 0.02
19 promised net prometryne 0.3200 methanol 0.02
20 methyl paraoxon methyl 1.5200 methanol 0.08
21 thiaclapine thiacloprid 0.7400 methanol 0.04
22 imidacloprid 44.0000 Methanol 2.2
23 sulfothiazide ethidimuron 3.0000 methanol 0.15
24 Butoxalone isomethiozin 2.1400 Methanol 0.11
25 oat enemy diallate 178.4000 methanol 8.92
26 Acetochlor acetochlor 94.8000 Methanol 4.74
27 nitrilpyram 34.2400 methanol 1.71
28 methoxypropine methoprotryne 0.4800 methanol 0.02
29 xylenol amide dimethenamid 8.6000 methanol 0.43
30 terracolone terbucarb 4.2000 methanol 0.21
31 tebuconazole penconazole 4.0000 Methanol 0.2
32 myclobose myclobutanil 2.0000 methanol 0.1
33 Paclobutrazole paclobutrazol 1.1400 Methanol 0.06
34 times thiophosphor sulfoxide fenthion sulfoxide 0.6200 methanol 0.03
35 triadimenol triadimenol 21.1000 methanol 1.06
Chinese name English name
The limit of quantitation/
Solvent
Mixed standard
Quasi solution
concentration
/ (Mg/L)
(Μg/kg)
36 Zhong Ding Ling butralin 3.8000 methanol 0.19
37 Spiroxamine 0.1% Methanol 0.01
38 Methyl Formaldehyde tolclofos methyl 133.1200 Methanol 6.66
39 beetamine desmedipham 8.0600 methanol 0.4
40 Methomethanate 21.3200 Methanol 1.07
41 Allyl alcohol allethrin 120.8000 Methanol 6.04
42 diazinon 1.4200 toluene 0.07
43 Phytophthora edifenphos 1.5000 Methanol 0.08
44 Flusilazole flusilazole 1.1600 Methanol 0.06
45 Propane Zinc iprovalicarb 4.6400 Methanol 0.23
46 wheat rust Ling benodanil 6.9600 methanol 0.35
47 fluoroamide flutolanil 2.3000 methanol 0.11
48 Sulfonamph famphur 7.2000 Methanol 0.36
49 Benzoprene Benalyxyl 2.4800 Methanol 0.12
50 benzyl chlorotriazole alcohol diclobutrazole 0.9400 methanol 0.05
51 Acetiazole etaconazole 3.5600 Methanol 0.18
52 Chlorophenoxyphenol fenarimol 1.2200 Methanol 0.06
53 Tetramethrin tetramethirn 3.6400 Methanol 0.18
54 Lactobacillus cloquintocet mexyl 3.7600 Methanol 0.19
55 Biphenyltriazole alcohol bitertanol 66.8000 Methanol 3.34
56 methyl chlorpyrifos chlorpifos methyl 32.0000 methanol 1.6
Amoxia Phosphorus azinphos ethyl 217.8600 Methanol 10.89
58 Acetyl oxalate clodinafop propargyl 4.8800 Methanol 0.24
59 Klebsuron triflumuron 7.8400 Methanol 0.39
60 isoxazolone isoxaflutole 7.8000 methanol 0.39
61 Quixi Ling quizalofop-ethyl 1.3600 Methanol 0.07
62 Fenflufenoxylate Haloxyfop-methyl 5.2800 Methanol 0.26
63 Fluorinated chlorpyrifos butyl 0.5200 Methanol 0.03
Ethyl bromothiophosphorus bromophos-ethyl 1135.3800 Methanol 56.77
65 Scavenging bensulide 68.4000 Methanol 3.42
66 bromophenylene phosphate bromfenvinfos 6.0400 methanol 0.3
67 azoxystrobin 0.9000 methanol 0.05
68 Pyridobacillus pyrazophos 3.2400 Methanol 0.16
69 Fluorfins flufenoxuron 6.3400 Methanol 0.32
70 indoxacarb 15.0800 methanol 0.75
Group B
71 ethylene thiourea ethylene tiourea 104.4000 methanol 5.22
72 Cotton Long dazomet 254.0000 Methanol 12.7
73 Nicotine nicotine 4.4000 Methanol 0.22
74 non-grass long fenuron 2.0600 methanol 0.1
75 rat death crimidine 3.1200 methanol 0.16
76 grasses molybd. 4.2000 methanol 0.21
Chinese name English name
The limit of quantitation/
Solvent
Mixed standard
Quasi solution
concentration
/ (Mg/L)
(Μg/kg)
77-chloro-4-hydroxy-3-phenylpyridazine 6-chloro-4-hydroxy-3-phenyl-pyridazin 3.3000 methanol 0.17
78 Propoxur propoxur 48.8000 Methanol 2.44
Amoxazole isouron 0.8.200 Methanol 0.04
80 Chlorotoluron 1.2400 Methanol 0.06
81 long-potted thiofanox 314.0000 methanol 15.7
82 Chlorobenzene chlorbufam 366.0000 Methanol 18.3
83 Wicked Viola bendiocarb 6.3600 Methanol 0.32
84 Fighting prop propazine 0.6400 Methanol 0.03
85 tert-butyl terbuthylazine 0.9400 methanol 0.05
86 diuron diuron 3.1200 methanol 0.16
87 Chloromethylthiophosphate chlormephos 896.0000 Methanol 44.8
88 Moisturizer Pyorin 1.1200 Methanol 0.06
Amoxamine 6.3
90 Take the grass special pronamide 30.7600 Methanol 1.54
91 dimethachlor dimethachloro 3.8000 methanol 0.19
92 Bromoglyphine methobromuron 33.6800 Toluene 1.68
Potassium phorate
94 benzoate aclonifen 48.4000 methanol 2.42
95 dean phosphorus mephosfolan 4.6400 methanol 0.23
96 de-benzylimidazole imibenzonazole-des-benzyl 12.4400 methanol 0.62
97 Grass is not long neburon 14.2000 Methanol 0.71
98 Aroma cream mefenoxam 3.0800 Methanol 0.15
99 ethofume sate 744.0000 methanol 37.2
100 different rice blast net iprobenfos 16.5600 methanol 0.83
Vitaminizine Cyproconazole 1.4600 Methanol 0.07
32 thiamethoxam thiamethoxam 66.0000 methanol 3.3
103 Crucifera 1.05 Methanol 0.05
104 spiramide etrimfos 37.5200 methanol 1.88
105 Chlorpyrifos cythioate 160.0000 Methanol 8
106 phosphoamamidon 7.7600 methanol 0.39
107 beetin a phenmedipham 17.9200 methanol 0.45
108 Acetylamine fenhexamid 1.9000 Methanol 0.09
109 Miconazole Flutriafol 17.1600 Methanol 0.86
110 antibacterial propyl alcohol furalaxyl 1.5400 methanol 0.08
111 bio-allyrin bioallethrin 396.0000 methanol 19.8
112 benzonitrile cyanofenphos 41.6000 methanol 2.08
113 methyl pyrimidine phosphorus pirimiphos methyl 0.4000 methanol 0.02
114 buprofezin buprofezin 1.7600 methanol 0.09
115 Ethylenediophosulfone disulfoton sulfone 4.9200 Methanol 0.25
116 Quinacid fenazaquin 0.6400 Methanol 0.03
117 triazophos triazophos 1.3600 Toluene 0.07
118 Frozen phosphorus a DEF 3.2200 Methanol 0.16
Chinese name English name
The limit of quantitation/
Solvent
Mixed standard
Quasi solution
concentration
/ (Mg/L)
(Μg/kg)
119 Cyclocarbamate pyriftalid 1.2400 Methanol 0.06
120 metosterazole metconazole 2.6400 methanol 0.13
121 mosquito ether pyriproxyfen 0.8600 methanol 0.04
122 isose acyl chloride isoxaben 0.3800 methanol 0.02
123 furazanil flurtamone 0.8800 methanol 0.04
124 trifluralin trifluralin 669.6000 Toluene 33.48
125 methyl wheat straw fluoride isopropyl ester flamprop methyl 40.4000 methanol 2.02
126 propiconazole propiconazole 3.5200 methanol 0.18
Chlorpyrifos 107.6000 Methanol 5.38
128 Chlorofenfluramate fluchloralin 976.0000 Methanol 48.8
129 Wheat Straw Fluoroisopropylate Flamprop isopropyl 0.8600 Methanol 0.04
130 Insecticides tetrachlorvinphos 4.4400 Toluene 0.22
131 Acetone mite special propargite 137.2000 Methanol 6.86
132 Chlorella bromuconazole 6.2800 Methanol 0.31
133 Fluoropyramide picolinafen 1.4600 Methanol 0.07
134 Fluorothiacetate fluthiacet methyl 10.6000 Methanol 0.53
135 oxime ester trifloxystrobin 4.0000 methanol 0.2
136 hexaflumuron 50.4000 Methanol 2.52
137 fluorohydrin novaluron 16.0800 methanol 0.8
138 - flurazuron 53.6000 methanol 2.68
Group C
139 corn buds maleic hydrazide 160.0000 methanol 8
140 Methamidophos methamidophos 9.8600 Me...
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