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SN/T 4520-2016: Determination of residue of nifursol metabolites in foodstuffs of animal origin for export - LC-MS/MS method
Status: Valid
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Determination of residue of nifursol metabolites in foodstuffs of animal origin for export - LC-MS/MS method
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SN/T 4520-2016
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Basic data | Standard ID | SN/T 4520-2016 (SN/T4520-2016) | | Description (Translated English) | Determination of residue of nifursol metabolites in foodstuffs of animal origin for export - LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Word Count Estimation | 22,210 | | Date of Issue | 2016-06-28 | | Date of Implementation | 2017-02-01 | | Regulation (derived from) | State-Quality-Inspection-Accredidation [2016] No.318 | | Issuing agency(ies) | General Administration of Customs | SN/T 4520-2016: Determination of residue of nifursol metabolites in foodstuffs of animal origin for export - LC-MS/MS method
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Determination of residue of nifursol metabolites in foodstuffs of animal origin for export-LC-MS/MS method
People's Republic of China Exit Inspection and Quarantine standards
Export animal source food nitrate Furosemide metabolites
Residues Determination Liquid chromatography - mass spectrometry/mass spectrometry
2016-06-28 release
2017-02-01 Implementation
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of this document may be patentable. The release of this document
The agency does not assume responsibility for identifying these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard is drafted by Shanghai Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Xiamen Entry-Exit Inspection and Quarantine Bureau
Epidemic
The main drafters of this standard. Wang Chuanxian, Zhang Jin, Song Qing, Liu Xia, Wang Fang, Ren Shuo, Fang Xiaoming, Li Xiaohong, Xu Dunming.
Export animal source food nitrate Furosemide metabolites
Residues Determination Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the animal-derived foods nitrate Furosell metabolites 3,5-dinitrosalicylic hydrazide residues (3,5-dinitrosalicylic
acidhydrazine, referred to as DNSAH) liquid chromatography - mass spectrometry/mass spectrometry (LC-MS/MS) determination and confirmation method.
This standard applies to pork, chicken, chicken liver, liver, lobster, shrimp, sausage, eel, honey, nitrate Fursol metabolite residues were determined
And confirmed.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6682 analytical laboratory water specifications and test methods
3 method summary
The nifussol metabolite in the sample was hydrolyzed under acidic conditions and derivatized with 2-nitrobenzaldehyde at 37 ° C for 16 h to adjust the pH to 7.0 ~
7.5, extracted with ethyl acetate, the extract was degreased with n-hexane, for LC-MS/MS determination, external standard.
4 Reagents and materials
Unless otherwise indicated, the reagents used are of analytical grade, water is in line with GB/T 6682 provisions of a water.
4.1 Methanol. Liquid chromatography grade.
4.2 acetonitrile. LC grade.
4.3 Ethyl acetate. LC grade.
4.4 n-hexane. LC grade.
4.5 concentrated hydrochloric acid content of 36% to 38%.
Sodium hydroxide.
4.7 Disodium hydrogen phosphate.
4.8 2-Nitrobenzaldehyde.
4.9 dimethyl sulfoxide.
4.10 Ammonium acetate.
4.11 hydrochloric acid solution .1.0mol/L. The exact amount of 90mL concentrated hydrochloric acid (4.5), water to volume 1L.
4.12 sodium hydroxide solution .1.0mol/L. Weigh accurately 40g sodium hydroxide (4.6), dissolved in water and set the volume to 1L.
4.13 Disodium hydrogen phosphate solution 0.1 mol/L. Accurately weigh 12g of disodium hydrogen phosphate (4.7), dissolve in water and dilute to 1L.
4.14 2-Nitrobenzaldehyde solution, 7.55 mg/mL. Accurately weigh 75.5 mg of 2-nitrobenzaldehyde (4.8) with 1 mL of dimethyl sulfoxide
(4.9) dissolved, acetonitrile volume to 10mL, now with the current use.
4.15 ammonium acetate solution .5mmol/L. Weigh accurately 385.4mg ammonium acetate (4.10), dissolved in water and set the volume to 1L.
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