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Determination of propyzamide residues in food for import and export. GC-MS method
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SN/T 2647-2010
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PDF similar to SN/T 2647-2010
Basic data | Standard ID | SN/T 2647-2010 (SN/T2647-2010) | | Description (Translated English) | Determination of propyzamide residues in food for import and export. GC-MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 17,115 | | Date of Issue | 2010-11-01 | | Date of Implementation | 2011-05-01 | | Regulation (derived from) | National Quality Inspection (2010) 582 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food alkyne benzoyl alachlor residues by gas chromatography mass spectrometry. This standard applies to spinach, carrots, strawberries, peanuts, chicken, onions, cod, honey, chestnuts and tea alkyne benzoyl alachlor residues detection and confirmation. | SN/T 2647-2010: Determination of propyzamide residues in food for import and export. GC-MS method
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Determination of propyzamide residues in food for import and export.GC-MS method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Benzoyl detection of pesticide residues in food import and export alkyne
Gas chromatography - mass spectrometry
GC-MSmethod
Issued on. 2010-11-01
2011-05-01 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 was drafted. People's Republic of China Shandong CIQ.
The main drafters of this standard. Wang Jianhua, Guo Cui, Gong Ping, Zhao Liang, Chen Shan.
Benzoyl detection of pesticide residues in food import and export alkyne
Gas chromatography - mass spectrometry
1 Scope
This standard specifies the foods alkyne benzoyl pesticide residues gas chromatography - mass spectrometry method.
This standard applies to spinach, carrots, strawberries, peanuts, chicken, onions, cod, honey, chestnut and tea alkyne benzoyl inspection of pesticide residues
Testing and validation.
2 Method summary
Sample alkyne benzoyl alachlor extracted with acetonitrile by liquid-liquid partition and PSA solid phase extraction (SPE), gas chromatography - mass spectrometry electron bombardment source
Determination, external standard.
3 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade, double distilled water.
3.1 acetone. pesticide residue levels.
3.2 acetonitrile. pesticide residue levels.
3.3 hexane. pesticide residue levels.
3.4 n-hexane saturated acetonitrile. n-hexane to take 100mL, 100mL of acetonitrile in a separating funnel, Shakers, take the lower stand.
3.5 acetonitrile saturated with n-hexane. Take 100mL n-hexane, acetonitrile in 100mL separating funnel, Shakers, take the upper stand.
3.6 Sodium chloride. 650 ℃ burning 4h, placed in the dryer to cool and set aside.
3.7 acetone - n-hexane (37 volume). Take 300mL acetone, n-hexane was added 700mL, shake spare.
3.8 alkyne benzoyl alachlor standard substance (propyzamide, molecular formula. C12H11C12NO, relative molecular mass of 255, CAS number. 23950-
58-5). purity of greater than or equal to 98.0%.
3.9 alkyne benzoyl alachlor standard solution. Accurately weighed amount of standard product was dissolved in acetone and formulated a concentration of 1.0mg/mL standard stock
liquid. Then free from acetylenic benzoyl alachlor as required blank sample matrix solution diluted to the appropriate concentration of standard working solution. Save on
-18 ℃ refrigerator.
3.10 ethylenediamine bonded silica (PrimarySecondaryamine, PSA) SPE. 500mg, 3mL or equivalent person.
4 instruments and equipment
4.1 Gas chromatography - mass spectrometry. source with electron impact (EI).
4.2 Solid phase extraction device.
4.3 homogenizer speed 10000r/min.
4.4 rotary evaporator.
4.5 nitrogen concentrators.
4.6 plug tube. 50mL, 100mL.
4.7 concentrated bottle. 50mL, 100mL.
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