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Determination of eleven organophosphorus pesticides residues in royal jelly for import and export. Gas chromatography
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SN/T 2577-2010
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Basic data | Standard ID | SN/T 2577-2010 (SN/T2577-2010) | | Description (Translated English) | Determination of eleven organophosphorus pesticides residues in royal jelly for import and export. Gas chromatography | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 36,362 | | Date of Issue | 2010-05-27 | | Date of Implementation | 2010-12-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | National Quality Inspection [2010] No. 290 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of royal jelly 11 kinds of organophosphorus pesticide residues in the determination of sample preparation and gas chromatographic method. This standard applies to royal jelly dichlorvos, methamidophos, Ethoprophos, phorate, dimethoate, methyl parathion, malathion, parathion, quinalphos, triazophos, coumaphos pesticides Residue testing. | SN/T 2577-2010: Determination of eleven organophosphorus pesticides residues in royal jelly for import and export. Gas chromatography
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Determination of eleven organophosphorus pesticides residues in royal jelly for import and export.Gas chromatography
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Importers and royal jelly 11 kinds of organophosphorus
Pesticide Residues by Gas Chromatography
Issued on. 2010-05-27
2010-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard by the People's Republic of China Zhejiang Exit Inspection and Quarantine is responsible for drafting.
The main drafters of this standard. Xie Wen, Ding Huiying, Huang Lei Fang, Han Chao, Zhang Huimin.
Importers and royal jelly 11 kinds of organophosphorus
Pesticide Residues by Gas Chromatography
1 Scope
This standard specifies the sample preparation gas chromatographic method Importers royal jelly 11 organophosphorus pesticide residues and determination.
This standard applies to royal jelly dichlorvos, methamidophos, ethoprophos, phorate, dimethoate, methyl parathion, malathion, parathion, quetiapine
Phosphorus, triazophos, coumaphos pesticide residues detected.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member, undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
Organophosphorus pesticide sample was extracted with acetonitrile and the extract was purified by gel column, measured with a gas chromatograph equipped with a flame photometric detector
Fixed, external standard.
4 Reagents and materials
Unless otherwise specified, all reagents were of analytical grade water as a water GB/T 6682 regulations.
Ethyl acetate 4.1. HPLC grade.
4.2 acetonitrile. HPLC fractions.
4.3 Cyclohexane. HPLC fractions.
4.4 acetone. HPLC fractions.
4.5 sodium chloride.
4.6 over anhydrous sodium. 650 ℃ burning 4h, cooled in a desiccator to room temperature and stored in a sealed bottle for use.
4.7 GPC eluent. ethyl acetate - cyclohexane (11, volume ratio).
4.8 dichlorvos, methamidophos, ethoprophos, phorate, dimethoate, methyl parathion, malathion, parathion, parathion quinoline, triazophos, coumaphos standard
Associate Products. purity greater than or equal to 99%, see Appendix A, Table A.1.
4.9 11 kinds of organophosphorus standard stock solution. Weigh appropriate amount of standard (4.8) were dissolved in acetone and dilute to 100mL, concentrated solution
Degree of 100μg/mL, 1 ℃ ~ 4 ℃ refrigerator. Valid for three months.
4.10 11 kinds of organic phosphorus mixed standard working solution. diluted before use as needed to the appropriate concentration with acetone, as the working standard solutions.
1 ℃ ~ 4 ℃ refrigerator. Valid for three months. Standard working solution concentration. 0.008μg/mL, 0.01μg/mL,
0.05μg/mL, 0.1μg/mL, 0.5μg/mL.
4.11 Finished gel purification column (GPC). 400mm × 15mm (inner diameter); Packing. Bio-Beads, S-X3,38μm ~ 75μm (in making
With a standard solution required to do first before elution curve).
4.12 anhydrous sodium sulfate column. 80mm × 40mm (inner diameter) cylindrical funnel bottom cotton pad 5mm, 50mm anhydrous sulfur refill
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