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Determination of four thiazole fungicide residues in food of plant origin for export. HPLC-MS/MS method
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Basic data
| Standard ID | SN/T 3699-2013 (SN/T3699-2013) |
| Description (Translated English) | Determination of four thiazole fungicide residues in food of plant origin for export. HPLC-MS/MS method |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | X04 |
| Classification of International Standard | 67.050 |
| Word Count Estimation | 24,222 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | National quality recognition (2013) 569 |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the plant-derived food Turkey benomyl, ethaboxam, octyl thiophene and benzene ketone saliva thiocyanate liquid chromatography - mass spectrometry/mass spectrometry and confirmation methods. This standard applies to soybeans, corn, |
SN/T 3699-2013: Determination of four thiazole fungicide residues in food of plant origin for export. HPLC-MS/MS method
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Determination of four thiazole fungicide residues in food of plant origin for export. HPLC-MS/MS method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Export of food of plant origin Four thiazole fungicide residues
Determination of the amount of remaining liquid chromatography - mass spectrometry/mass spectrometry
Issued on. 2013-11-06
2014-06-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard is prepared 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. People's Republic of China, Shenzhen CIQ, Shenzhen Inspection and Quarantine Science Research Institute, the Chinese people
Republic Xiamen CIQ.
The main drafters of this standard. Bo, Jinbao Hui, Feng Xiao, Xieli Qi, Pei Jin, Xu Duiming Zhou Yu.
Export of food of plant origin Four thiazole fungicide residues
Determination of the amount of remaining liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the plant-derived food Turkey benomyl, ethaboxam, octyl thiophene and benzene chlorthalidone thiocyanate liquid chromatography - mass spectrometry/mass spectrometry and
Confirmatory methods.
This standard applies to soybeans, corn, wheat, grapes, watermelon, cabbage, tea and onion Turkey benomyl, ethaboxam, octyl thiophene sulfur and benzene chlorthalidone
Determination of cyanide.
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
The sample was extracted with acetonitrile residues thiazole fungicides, solid-phase extraction (SPE), liquid chromatography - mass spectrometry/mass spectrometry and confirmed, the outer
Standard method.
4 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade, water GB/T 6682 provisions 1 water.
4.1 Methanol. HPLC fractions.
4.2 acetonitrile. HPLC fractions.
4.3 Toluene. HPLC fractions.
4.4 formic acid. HPLC fractions.
4.5 sodium chloride.
4.6 ammonium acetate. high-purity reagents, 99.999%.
4.7 aqueous acetonitrile (32 volume). Measure 60mL acetonitrile (4.2), was added 40mL of water, and mix.
4.8 acetonitrile - toluene solution (31 volume). Measure 150mL acetonitrile (4.2), was added 50mL of toluene (4.3), and mix.
4.9 5mmol/L ammonium acetate aqueous solution (containing 0.05% formic acid). Weigh 0.385g of ammonium acetate (4.6), formic acid was added 0.5mL (4.4), with
Dissolved in water and dilute to 1L, and mix.
4.10 Standard substances. etridiazole, octyl thiophene and benzene chlorthalidone thiocyanate content of more than 98%; ethaboxam concentration of 10mg/L (the relevant chemical information
See Appendix A in Table A.1).
4.11 standard stock solution. namely, accurately weighed amount of etridiazole, octyl thiophene and benzene chlorthalidone thiocyanate standard substance (4.10) with acetonitrile (4.2) with
Having a concentration of 1000mg/L of standard stock solution; 10mg/standard solution ethaboxam methanol solution preparation of the L, -18 ℃ to
Stored in the dark.
4.12 intermediate mixed standard solution. to draw the appropriate amount of each standard stock solution (4.11), diluted with acetonitrile (4.2) to prepare a 5.0mg/L mixed
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