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SN/T 4520-2016 English PDF

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US$509.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4520-2016: Determination of residue of nifursol metabolites in foodstuffs of animal origin for export - LC-MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4520-2016	509	Add to Cart	5 days	Determination of residue of nifursol metabolites in foodstuffs of animal origin for export - LC-MS/MS method	Valid

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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

---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 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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 4520-2016_English be delivered?

Answer: Upon your order, we will start to translate SN/T 4520-2016_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 4520-2016_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 4520-2016_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.