HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

SN/T 4809-2017 English PDF

US$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4809-2017: Determination of metronidazole and dimetridazole in edible animal and their feeds for import and export. LC-MS/MS method
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SN/T 4809-2017English329 Add to Cart 3 days [Need to translate] Determination of metronidazole and dimetridazole in edible animal and their feeds for import and export. LC-MS/MS method Valid SN/T 4809-2017

PDF similar to SN/T 4809-2017


Standard similar to SN/T 4809-2017

GB/T 6432   GB/T 5917.1   SN/T 1353   SN/T 5657   SN/T 4808   SN/T 4807   

Basic data

Standard ID SN/T 4809-2017 (SN/T4809-2017)
Description (Translated English) Determination of metronidazole and dimetridazole in edible animal and their feeds for import and export. LC-MS/MS method
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard B46
Word Count Estimation 14,142
Date of Issue 2017-07-21
Date of Implementation 2018-03-01
Regulation (derived from) State-Quality-Inspection-Accreditation (2017) 337
Issuing agency(ies) General Administration of Customs

SN/T 4809-2017: Determination of metronidazole and dimetridazole in edible animal and their feeds for import and 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.
(Import and export of edible animals, feed metronidazole and metronidazole drugs in the determination of liquid chromatography-mass spectrometry/ mass spectrometry) People's Republic of China entry and exit inspection and quarantine industry standards Import and export of food animals, feed metronidazole and diazot Determination of imidazole drugs by liquid chromatography-mass spectrometry/mass spectrometry Released on.2017-07-21 2018-03-01 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued Entry-Exit Inspection and Quarantine Industry Standard Import and export of food animals, feed metronidazole and diazot Determination of imidazole drugs by liquid chromatography-mass spectrometry/mass spectrometry China Standard Press Publishing First edition, May.2018

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Shandong Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Zhejiang Entry-Exit Inspection and Quarantine Bureau, Shandong Animal Husbandry and Veterinary Vocational College. The main drafters of this standard. Zhang Jinling, Guo Liqiang, Sun Mingjun, Li Kai, Hou Jianbo, Wu Wei, Zhang Xiaowen, Shao Erbo, Cui Xiaona, Wang Hongtao. Import and export of food animals, feed metronidazole and diazot Determination of imidazole drugs by liquid chromatography-mass spectrometry/mass spectrometry

1 Scope

This standard specifies metronidazole and dimetridazole in import and export feed, metronidazole and its metabolite hydroxy metronidazole in food animals. Liquid chromatography-mass spectrometry/mass spectrometry for the determination of nitroimidazole and its metabolite hydroxydimetridazole residue. This standard applies to metronidazole and dimetridazole in imported and exported feed, metronidazole in livestock and poultry serum and urine, and its metabolite hydroxymethylnitrite. Determination of azole, dimetridazole and its metabolite hydroxy dimetridazole residue.

2 Normative references

The following documents are indispensable for the application of this document. 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 Principle of the method

The sample was extracted with ethyl acetate, dried under nitrogen, dissolved in a hydrochloric acid solution, and purified by a mixed cation exchange column. Spectrometry/mass spectrometry, internal standard method for quantification.

4 reagents and materials

All reagents were of analytical grade unless otherwise specified; water is primary water in accordance with GB/T 6682. 4.1 Ethyl ester ethyl ester. chromatographically pure. 4.2 Acetonitrile. Chromatographically pure. 4.3 Anhydrous magnesium sulfate. 4.4 Hydrochloric acid. 36%~38%. 4.5 Methanol. Chromatographically pure. 4.6 Ammonia. 25%~28%. 4.7 Formic acid. chromatographically pure. 4.8 Mixed cation exchange column. 60mg/3mL. 4.9 0.1 mol/L hydrochloric acid. Pipette 5 mL of hydrochloric acid (4.4) and mix with 595 mL of water. 4.10 Elution solution. 5 mL of ammonia (4.6) and 95 mL of methanol (4.5) were mixed. 4.11 0.1% formic acid water. 1 mL formic acid (4.7) and 999 mL of water were mixed. 4.12 Constant volume solution. Take 80 mL of 0.1% formic acid water (4.11) and mix with 20 mL of acetonitrile. 4.13 Standard. Metronidazole (C6H9N3O3, CAS. 443-48-1), purity ≥99.0%; Hydroxy metronidazole (HydroxyMetronidazole, C6H9N3O4, CAS. 4812-40-2), purity ≥ 99.0%. Dimetridazole (Dimetridazole, C5H7N3O2, CAS No. 551-92-8), purity ≥99.0%; Hydroxydimetridazole (C5H7N3O3, CASN o.936-05-0), purity ≥99.0%; Dimetridazole-D3, C5H4D3N3O2, CASN o.64678-

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 4809-2017_English be delivered?

Answer: Upon your order, we will start to translate SN/T 4809-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 4809-2017_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 4809-2017_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 [email protected]. 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.