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SN/T 4045-2014 English PDF

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SN/T 4045-2014: Determination of mesotrione residues in food for export - LC-MS/MS method
Status: Valid
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SN/T 4045-2014English629 Add to Cart 5 days [Need to translate] Determination of mesotrione residues in food for export - LC-MS/MS method Valid SN/T 4045-2014

PDF similar to SN/T 4045-2014


Standard similar to SN/T 4045-2014

GB 5009.271   GB 5009.22   SN/T 2641   SN/T 4041   SN/T 4046   SN/T 4039   

Basic data

Standard ID SN/T 4045-2014 (SN/T4045-2014)
Description (Translated English) Determination of mesotrione residues in food for 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 24,261
Date of Issue 12/1/2014
Date of Implementation 5/1/2015
Quoted Standard GB/T 6682
Regulation (derived from) State-Quality-Inspection-accreditation [2014] 614
Issuing agency(ies) General Administration of Customs
Summary This standard provides the food for export mesotrione residues in liquid chromatography - mass spectrometry/mass spectrometry and confirmation methods. This standard applies to corn, brown rice, apples, citrus, sugar cane, spinach, chicken, beef, chicken

SN/T 4045-2014: Determination of mesotrione residues in food for export - LC-MS/MS method

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(Food for export mesotrione residues measured by liquid chromatography - mass spectrometry/mass spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of food for export mesotrione residues Liquid chromatography - mass spectrometry/mass spectrometry LC-MS/MSmethod Issued on. 2014-11-19 2015-05-01 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. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Jilin People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Li Aijun, Mou Jun, Hu Tingting, Wang Mingtai, Lu Lijun, Zhou, Han Dachuan, Kangming Qin. Determination of food for export mesotrione residues Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard provides the food for export mesotrione residues in liquid chromatography - mass spectrometry/mass spectrometry and confirmation methods. This standard applies to corn, brown rice, apples, citrus, sugar cane, spinach, chicken, beef, chicken kidney, egg mesotrione residues Determination And confirmation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Extracting a sample of mesotrione residue with acetonitrile, after gel chromatography and GCB SPE purification for liquid chromatography - MS/MS assay and confirmed, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. pesticide residue levels. 4.2 Cyclohexane. pesticide residue levels. 4.3 Methanol. Pesticide residue levels. 4.4 ethyl acetate. pesticide residue levels. 4.5 sodium chloride. 4.6 sodium hydroxide. 4.7 Sodium hydroxide solution (1.0mol/L). Weigh 4.0g of sodium hydroxide dissolved in water and dilute to 100mL. 4.8 cyclohexane - ethyl acetate solution (11 volume). amount of 500mL and 500mL cyclohexane, ethyl acetate, and mix. 4.9 methanol - water (19 volume). the amount of 10mL of methanol and 90mL of water, and mix. 4.10 mesotrione standards (Mesotrione, CAS number. 104206-82-8, molecular formula. C14H13NO7S). purity of greater than or equal to 98.0%. 4.11 mesotrione standard stock solution. accurately weighed amount mesotrione standards, prepared in methanol at a concentration of 100μg/mL standard Quasi stock solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 4.12 mesotrione standard solution. as needed mesotrione standard stock solution was diluted to a suitable concentration of standard working with methanol Solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 4.13 organic microporous membrane. 0.22μm, 0.45μm. 4.14 GCB SPE. ENVI-Carb, 250mg/6mL, or equivalent person.

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