SN/T 2648-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2648-2010	679	Add to Cart	3 days	Determination of boscalid residues in food for import and export. GC-MS method	Obsolete

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Basic data

Standard ID: SN/T 2648-2010 (SN/T2648-2010)
Description (Translated English): Determination of boscalid 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: 17,129
Date of Issue: 2010-11-01
Date of Implementation: 2011-05-01
Regulation (derived from): National-Quality-Inspection-accreditation (2010) 582
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the pyridine acid foods seedling amine residues by gas chromatography-mass spectrometry methods. This standard applies to spinach, carrot L, strawberries, peanuts, Chestnut, tea, onions, chicken, cod and honey in boscalid residue detection and confirmation.

SN/T 2648-2010: Determination of boscalid residues in food for import and export. GC-MS method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of boscalid residues in food for import and export.GC-MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Imported and exported food Boscalid Determination of amine residues 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, Wang Song, Cai hair. Imported and exported food Boscalid Determination of amine residues Gas chromatography - mass spectrometry

1 Scope

This standard specifies the foods boscalid residues by gas chromatography - mass spectrometry method. This standard applies to spinach, carrots, strawberries, peanuts, chestnuts, tea, onions, chicken, cod and honey in boscalid residues detected And confirmation.

2 Method summary

Boscalid sample was 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 Standard substance boscalid (boscalid, CAS number. 188425-85-6 suppliers. C18H12C12N2O). purity of greater than or equal to 98.0%. 3.9 boscalid standard solution. Accurately weighed amount of standard product was dissolved in acetone and formulated a concentration of 1.0mg/mL standard stock solution. Then without working solution diluted to an appropriate concentration of the standard required boscalid blank sample matrix solution. Ice stored at -18 ℃ Box. 3.10 ethylenediamine bonded silica (PrimarySecondaryamine, PSA) SPE. 500mg, 3mL or equivalent person.

4 instruments and equipment

4.1 Gas chromatography - mass spectrometer. equipped with electronic bombardment source (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. 4.8 Analysis of balance. a sense of the amount of 0.01g. ......

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