SN/T 4138-2015 English PDF

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SN/T 4138-2015: Screening detection of dichlorvos, tecnazene, ethoprophos 88 pesticide residues in exported fruits and vegetables. QuEChERS-GC-NCI-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4138-2015	1429	Add to Cart	10 days	Screening detection of dichlorvos, tecnazene, ethoprophos 88 pesticide residues in exported fruits and vegetables. QuEChERS-GC-NCI-MS method	Valid

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Basic data

Standard ID: SN/T 4138-2015 (SN/T4138-2015)
Description (Translated English): Screening detection of dichlorvos, tecnazene, ethoprophos 88 pesticide residues in exported fruits and vegetables. QuEChERS-GC-NCI-MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X24;X26
Classification of International Standard: 67.080
Word Count Estimation: 62,627
Date of Issue: 2015-02-09
Date of Implementation: 2015-09-01
Quoted Standard: GB/T 6682
Regulation (derived from): State-Quality-Inspection-Accreditation [2015] 59
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the fruits and vegetables 88 kinds of pesticides (see Appendix A) Residues by Gas Chromatography - Negative Chemical Ionization Mass screening test methods. This standard applies to carrots, cabbage, ginger, apple, pear, peach, strawberry, spinach, watermelon, cowpea, dragon fruit and other vegetables and fruits in 88 kinds of pesticide residues screening tests, this standard does not apply to oranges and other citrus fruits and algae quinone residues detected.

SN/T 4138-2015: Screening detection of dichlorvos, tecnazene, ethoprophos 88 pesticide residues in exported fruits and vegetables. QuEChERS-GC-NCI-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.
(Export of fruits and vegetables dichlorvos, tetrachlorophthalic nitro stupid, Ethoprophos and other 88 kinds of pesticide residues screening tests QuEChERS- gas chromatography - negative chemical ionization mass spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Dichlorvos export fruit and vegetables, tecnazene, Ethoprophos and other 88 kinds of pesticide residues screening tests QuEChERS- gas chromatography - negative chemical ionization mass spectrometry Screeningdetectionofdichlorvos, tecnazene, ethoprophos88pesticide Issued on. 2015-02-09 2015-09-01 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. Release mechanism of the present document does not assume responsibility for the identification of these patents. 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. Dong Jing, Pan Yuxiang, Liuwen Peng, Liu Yongqiang, Tianguo Ning, Sun Jun, Lvjian Xia, Xiao Ming Palace. Dichlorvos export fruit and vegetables, tecnazene, Ethoprophos and other 88 kinds of pesticide residues screening tests QuEChERS- gas chromatography - negative chemical ionization mass spectrometry

1 Scope

This standard specifies the fruits and vegetables 88 kinds of pesticides (see Appendix A) Residues by Gas Chromatography - Negative Chemical Ionization Mass screening tests method. This standard applies to carrots, cabbage, ginger, apple, pear, peach, strawberry, spinach, watermelon, beans, and other vegetables and fruits dragon fruit 88 kinds of pesticide residues screening tests, this standard does not apply to oranges and other citrus fruits and algae quinone residues detection.

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

Samples with acetonitrile (containing 1% acetic acid) homogeneous extract, purify dispersive SPE method, gas chromatography - negative chemical ionization mass spectrometry. Matrix standard solution 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. HPLC grade. 4.2 acetone. HPLC grade. 4.3 hexane. HPLC grade. 4.4 acetic acid. 4.5 anhydrous sodium acetate. 4.6 0.1% acetic acid - acetonitrile solution. add glacial acetic acid 10mL to 990mL of acetonitrile. 4.7 anhydrous magnesium. When used before baking muffle furnace at 500 ℃ 5h, 200 ℃ removed stored in a desiccator, cool reserve. Adsorbent 4.8 C18. 40μm ~ 60μm. 4.9 Ethylenediamine propylsilane -N- (PSA) Adsorbent. 40μm ~ 60μm. 4.10 Pesticide Standards. Standards list in Appendix A, reference material purity ≥95%. 4.11 pesticides standard solution. 4.11.1 Standard stock solution. accurately weighed amount of standard (accurate to 0.1mg), was dissolved in acetone (4.2), preparation of a concentration Standard stock solution 1000μg/mL of, -18 ℃ stored in the dark for a period of three months. 4.11.2 Mixed standard solution (mixed standard solution A, B, C). in accordance with pesticidal properties and retention time, 88 pesticides into A, B, C three ......

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