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Determination of residues of 20 pesticides including nitenpyram, dinotefuran etc in foods for import and export. HPLC-MS/MS method
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SN/T 2323-2009
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Basic data | Standard ID | SN/T 2323-2009 (SN/T2323-2009) | | Description (Translated English) | Determination of residues of 20 pesticides including nitenpyram, dinotefuran etc in foods for import and export. HPLC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Word Count Estimation | 37,370 | | Date of Issue | 2009-07-07 | | Date of Implementation | 2010-01-16 | | Regulation (derived from) | Industry standard filing Notice 2009 No. 10 (No. 118 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food adjoin insects amines, amine Gap insects, snails mellea amines, SBR you Lynn, kill dragonfly Long A Mi, thirteen you Lynn, leaf fungus wow, kill dragonfly Long veins, dense destroy Ting, tiamulin, spinosad A, spinosyn D, Abamectin, emamectin 1, emamectin 2, two grasping acrylamide, Yu insects phosphorus, allyl Oh drunk, abamectin, avermectin methyl ammonium formate pesticide residues in liquid chromatography mass spectrometry/mass spectrometry and sample preparation. This standard applies to out of the stone rice, brown rice, corn, barley and wheat more than 20 kinds of pesticide residues in the detection and confirmation. | SN/T 2323-2009: Determination of residues of 20 pesticides including nitenpyram, dinotefuran etc in foods for import and export. HPLC-MS/MS method
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Determination of residues of 20 pesticides including nitenpyram, dinotefuran etc in foods for import and export.HPLC-MS/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Imported and exported food Pi insects amines,
Dinotefuran and other 20 kinds of pesticide residues detection method
Liquid chromatography - mass spectrometry/mass spectrometry
Posted 2009-07-07
2010-01-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A, Appendix B are informative appendices.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard is the responsibility of the People's Republic of China, Liaoning and Beijing Entry-Exit Inspection and Quarantine People's Republic of China
Drafted.
The main drafters of this standard. Dongzhen Lin, Xiao Shanshan, Lin Weixuan, with Kai Tian Miao, Li Yichen, right Xing, Xu Chao, a.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Imported and exported food Pi insects amines,
Dinotefuran and other 20 kinds of pesticide residues detection method
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the foods Pi clothianidin, dinotefuran, spiroxamine, fenpropimorph, acaricidal Long - formamidine, tridemorph, metconazole, acaricidal
Long - urea, close off statins, tiamulin, spinosyn A, spinosyn D, emamectin, emamectin 1, emamectin
2, dichloropropene amines, phosphorus insecticide diniconazole, avermectin, methyl formamide avermectin pesticide residues in liquid chromatography - mass spectrometry/mass spectrometry party
Method and sample preparation methods.
This standard applies to the import and export of rice, brown rice, corn, barley and wheat more than 20 kinds of pesticide residues in the detection and confirmation.
2 Method summary
Acetonitrile in water sample was extracted with n-hexane liquid-liquid partition first, and then the secondary amine N- graphite and carbon SPE column (PSA) net
Technology, using liquid chromatography - mass spectrometry/mass spectrometry detection and confirmation, external standard.
3 Reagents and materials
Unless otherwise specified, the reagents were HPLC grade water re-distilled water.
3.1 n-hexane.
3.2 toluene.
3.3 methanol.
3.4 acetonitrile.
3.5 formic acid.
3.6 Sodium chloride. AR.
3.7 Magnesium sulfate heptahydrate. AR.
3.8 acetonitrile - toluene solution. acetonitrile and toluene (3 + 1, volume ratio).
3.9 The pesticide standards. Pi worm amine (Nitenpyram, CAS number. 150824-47-8), dinotefuran (Dinotefuran, CAS Number. 165252-
70-0), spiroxamine (Spiroxamine, CAS number. 118134-30-8), fenpropimorph (Fenpropimorph, CAS number. 67564-91-4),
Diafenthiuron - carboxamidine (Diafenthiuron-methanimidamide, CAS number. 136337-81-9), tridemorph (Tridemorph, CAS number.
81412-43-3), metconazole (Metconazole, CAS number. 125116-23-6) Diafenthiuron - urea (Diafenthiuron-urea, CAS number.
136337-67-2), spinosyn A (SpinosynA, CAS number. 131929-60-7), spinosyn D (SpinosynD, CAS number.
131929-63-0), Dichlormid (Dichlormid, CAS number. 37764-25-3), deworming phosphorus (Naphthalophos, CAS Number. 1491-
41-4), diniconazole (Diniconazole, CAS number. 83657-24-3) purity greater than or equal to 97%; close off Ting (Milbemectin, CAS number.
51596-10-2), Tiamulin (Tiamulin-fumarate, CAS number. 55297-96-6), emamectin (Emamectin-amino),
Emamectin 1 (Emamectin-methylamino1), emamectin 2 (Emamectin-methy1amino2), Avi
Streptozotocin (Abamectin, CAS number. 71751-41-2), methyl formate amine avermectin (Emamectin-N-methylformylamino) pure
Greater than or equal to 80% of the average.
3.10 standard stock solution. namely, accurately weighed amount of pesticide standards (3.9) with acetone dubbed the concentration of standard stock 100μg/mL of
Preparation of liquid. Standard stock solution at 0 ℃ ~ 4 ℃ storage conditions, preparation once every 12 months.
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