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SN/T 2085-2008: Determination of carbamate pesticide multiresidues in grains for import and export. HPLC-MS/MS method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2085-2008 | English | 499 |
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Determination of carbamate pesticide multiresidues in grains for import and export. HPLC-MS/MS method
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SN/T 2085-2008
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PDF similar to SN/T 2085-2008
Basic data | Standard ID | SN/T 2085-2008 (SN/T2085-2008) | | Description (Translated English) | Determination of carbamate pesticide multiresidues in grains for import and export. HPLC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | B22 | | Word Count Estimation | 19,154 | | Date of Issue | 2008-04-29 | | Date of Implementation | 2008-11-01 | | Regulation (derived from) | Industry standard filing Notice 2008 No. 7 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the Grains methiocarb, bendiocarb, isoprocarb, carbaryl, methomyl, carbofuran, pirimicarb, Fenobucarb residue of the sample preparation and liquid chromatography tandem mass spectrometry. This standard applies to rice and wheat methiocarb, bendiocarb, isoprocarb, carbaryl, methomyl, carbofuran, pirimicarb, Fenobucarb residues detected. | SN/T 2085-2008: Determination of carbamate pesticide multiresidues in grains for import and export. HPLC-MS/MS method
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Determination of carbamate pesticide multiresidues in grains for import and export.HPLC-MS/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Import and export a variety of carbamates in Grains
Pesticide Residue Detection
Liquid chromatography tandem mass spectrometry
Posted 2008-04-29
2008-11-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A, Appendix B is an informative annex.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine.
The main drafters of this standard. Chen Xiaomei, Hubei Zhen, Liu Shan, Ding Huiying, Yu Chunyan, single Huijun.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export a variety of carbamates in Grains
Pesticide Residue Detection
Liquid chromatography tandem mass spectrometry
1 Scope
This standard specifies in Grains methiocarb, bendiocarb, isopropyl Granville, carbaryl, methomyl, carbofuran, pirimicarb, bassa Residues system
Like and liquid chromatography tandem mass spectrometry.
This standard applies to rice and wheat methiocarb, bendiocarb, isopropyl Granville, carbaryl, methomyl, carbofuran, pirimicarb, bassa residue
Amount of testing.
2 Method summary
Samples were extracted with acetonitrile, purified by chromatography on neutral alumina using acetone - eluting ether (20 + 80, by volume), liquid chromatography - tandem mass spectrometry
Cytometry, external standard.
3 Reagents and materials
Unless otherwise specified, reagents were of analytical grade, water is distilled or deionized water.
3.1 Methanol. chromatographically pure.
3.2 acetonitrile. chromatography.
3.3 acetone. chromatography.
3.4 ether. chromatography.
Ammonium acetate 3.5. HPLC grade.
3.6 sodium chloride.
3.7 aqueous ammonium acetate solution (0.005mol/L). Weigh 0.19g ammonium acetate dissolved in an appropriate amount of water and then dilute to 500mL.
3.8 methanol - ammonium acetate solution. methanol - ammonium acetate solution (0.005mol/L) (60 + 40, volume ratio).
3.9 acetone - ether mixed solvent. acetone - diethyl ether (20 + 80, volume ratio).
3.10 carbamates standards. methiocarb, bendiocarb, isopropyl Granville, carbaryl, carbofuran, pirimicarb, bassa were greater than or equal
99.0%. Methomyl 98.8%.
3.11 urethane standard stock solution. accurately weighed amount of standard carbamate, dissolved in methanol, were prepared at a concentration of solution
200μg/mL, 4 ℃ storage.
3.12 urethane mixed working solution. If necessary, an appropriate amount of stock solutions were taken in the same volumetric flask with methanol - a dilute solution of ammonium acetate
Diluted to the appropriate concentration of the working solution.
Carbamate 3.13 calibration solution configurations. standard mixed solution was treated by 6.1 and 6.2 blank sample solution was diluted to 1.0,
10.0,20,50,100μg/L.
3.14 neutral alumina SPE column (3mg). Before use rinse with 5mL ether.
4 instruments and equipment
4.1 Liquid chromatography - tandem mass spectrometer. with electrospray ionization and quadrupole mass analyzer.
4.2 homogenizer (16000r/min).
4.3 Mixer.
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