SN/T 2646-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2646-2010	679	Add to Cart	3 days	Determination of tebufenpyrad residues in food for import and export. GC-MS method	Obsolete

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Basic data

Standard ID: SN/T 2646-2010 (SN/T2646-2010)
Description (Translated English): Determination of tebufenpyrad 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: 17,157
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 Tebufenpyrad food residue sample preparation and gas chromatography mass spectrometry. This standard applies to spinach, lotus root, strawberries, peanuts, chicken, pork, cod, honey, chestnuts and tea residues Tebufenpyrad was the detection and confirmation.

SN/T 2646-2010: Determination of tebufenpyrad 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 tebufenpyrad 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 tebufenpyrad Residue Detection 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 Entry-Exit Inspection and Quarantine Shaanxi People's Republic of China Bureau, People's Republic of China Heilongjiang Exit Inspection and Quarantine. The main drafters of this standard. Wang Jianhua, Tangzhi Xu, Sunzhong Song, Wang Yanli, Wang Song, Li Jianhua, Yang Chang-chih. Imported and exported food tebufenpyrad Residue Detection Gas chromatography - mass spectrometry

1 Scope

This standard specifies the gas chromatographic sample preparation in food tebufenpyrad residues and - mass spectrometry. This standard applies to spinach, lotus root, strawberries, peanuts, chicken, pork, cod, honey, chestnut and tea tebufenpyrad residues detection and Confirmed.

2 Method summary

Tebufenpyrad sample was extracted with acetonitrile, liquid-liquid partition and magnesium silicate by solid-phase extraction (SPE), gas chromatography - mass spectroscopy electron bombardment source Fixed, external standard.

3 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade, double distilled water. 3.1 acetone. residual level. 3.2 acetonitrile. residual level. 3.3 hexane. Residual level. 3.4 n-hexane saturated acetonitrile. n-hexane to take 100mL, 100mL of acetonitrile in a separating funnel, Shakers, take the upper 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 tebufenpyrad (Tebufenpyrad, CAS number. 119168-77-3 suppliers. C18H24ClNO). purity of greater than or equal to 98.5%. 3.9 tebufenpyrad standard solution. Accurately weighed amount of standard product was dissolved in acetone and formulated a concentration of 1.0mg/mL standard stock solution. Then diluted to a standard working solution does not contain an appropriate concentration of the desired tebufenpyrad blank sample solution. Stored at -18 ℃ refrigerator. 3.10 magnesium silicate (Florisil) SPE. 500mg, 3mL.

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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