SN/T 2514-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2514-2010	839	Add to Cart	4 days	Determination of tiadinil residues in food for import and export. LC-MS/MS method	Obsolete

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Basic data

Standard ID: SN/T 2514-2010 (SN/T2514-2010)
Description (Translated English): Determination of tiadinil residues in food for import and export. LC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 21,228
Date of Issue: 2010-03-02
Date of Implementation: 2010-09-16
Regulation (derived from): National Quality Inspection [2010] No. 98
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export food thiophene acid bacteria amine residues in liquid chromatography mass spectrometry/mass spectrometry. This standard applies to lettuce, carrots, cabbage, rice, citrus, grapes, chestnuts, beef, goat, chicken, tilapia, tomato sauce, tea, honey thiophene acid bacteria amine residues and confirmation.

SN/T 2514-2010: Determination of tiadinil residues in food for import and export. LC-MS/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 tiadinil residues in food for import and export.LC-MS/MS method Exit inspection and quarantine industry standard book People's Republic of China Importers thiophene acid bacteria in food Determination of pesticide residues Liquid chromatography - mass spectrometry/mass spectrometry Issued on. 2010-03-02 2010-09-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A, Appendix B is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Guangdong CIQ. The main drafters of this standard. Wang Lan, Xie Jianjun, Chen Jie, Xu Juan, Wuying Xuan, Ye Hongyi, Chen Yonghong. Importers thiophene acid bacteria in food Determination of pesticide residues Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the imported and exported food tiadinil Residues liquid chromatography - mass spectrometry/mass spectrometry methods. This standard applies to lettuce, carrots, cabbage, rice, citrus, grapes, chestnuts, beef, goat, chicken, tilapia, tomato sauce, tea, Thiophene acid bacteria in honey Determination of amine residues and confirmation.

2 Method summary

Samples extracted with ethyl acetate, gel permeation chromatography (GPC) and solid phase extraction column purification, liquid chromatography - mass spectrometry/mass spectrometry, external standard method Quantified.

3 Reagents and materials

Unless otherwise specified, reagents were of analytical grade, water is deionized water. 3.1 cyclohexane. 3.2 ethyl acetate. 3.3 acetonitrile. chromatography. 3.4 Methanol. chromatographically pure. 3.5 over anhydrous sodium. 650 ℃ burning 4h, cooled in a desiccator to room temperature and stored in a sealed bottle for use. 3.6 sodium chloride. 3.7 tiadinil (tiadinil) standard. not less than 97.0% purity, molecular formula. C11H10ClN3OS, CAS Number. 223580- 51-6. 3.8 tiadinil standard stock solution. accurately weighed amount tiadinil with acetonitrile Prepare a standard stock solution to a concentration of 1.0mg/mL of. 3.9 tiadinil intermediate standard solution. Imbibe appropriate amount of standard stock solution was diluted with acetonitrile to a concentration of 10.0ug/mL of the standards Room solution. 3.10 tiadinil standard working solution. Before using the intermediate standard solution is diluted with a variety of matrix blank samples into the appropriate concentrations needed The standard working solution. 3.11 amino SPE.200mg, 3mL and 500mg, 3mL, or equivalent person. Before use with acetonitrile amino column (200mg) Activated 2 times, each 2mL. In amino column (500mg) on filling 0.5g anhydrous sodium sulfate, activated before use with ethyl acetate 2 times 2mL. 3.12 CHROMABONDXTR take solid benzene column (large aperture diatomite filler). 3000mg, 15mL, or equivalent person. 3.13 microporous membrane. 0.2μm and 0.45μm, the organic phase.

4 instruments and equipment

4.1 Liquid chromatography - mass spectrometry/mass spectrometer. with electrospray ionization source. 4.2 gel permeation chromatography. 4.3 Balance. a sense of the amount of 0.01mg and 0.01g. 4.4 high-speed homogenizer. 4.5 cryogenic centrifuge speed. 10000r/min. ......

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