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SN/T 3925-2014 English PDF

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US$629.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3925-2014: Determination of milbemycins residues 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 3925-2014	629	Add to Cart	5 days	Determination of milbemycins residues in foodstuffs of animal origin for export. LC-MS/MS method	Valid

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Basic data

Standard ID: SN/T 3925-2014 (SN/T3925-2014)
Description (Translated English): Determination of milbemycins residues in foodstuffs of animal origin for export. LC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.120.01
Word Count Estimation: 24,217
Date of Issue: 4/9/2014
Date of Implementation: 11/1/2014
Quoted Standard: GB/T 6682
Regulation (derived from): State inspection certification (2014) 210
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the residues in food of animal origin liquid chromatography - mass spectrometry/mass spectrometry sent us.

SN/T 3925-2014: Determination of milbemycins residues 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 milbemycins residues in foodstuffs of animal origin for export. LC-MS/MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Export of food of animal origin in various milbemycin Residues Determination of liquid chromatography - mass spectrometry/mass spectrometry LC-MS/MSmethod Issued on. 2014-04-09 2014-11-01 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 standard may involve patents. The standard release 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 main drafters of this standard. Kang Haining, Yuezhen Feng, Li Yong, Ye Gang, Xieli Qi, Lin Li, Hou Yuexi, Chen Jincan, Huahong Hui. Export of food of animal origin in various milbemycin Residues Determination of liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the foodstuffs of animal origin Mosey Dink, milbemycin A3, milbemycin A4, milbemycin D, nemadectin residues The remaining amount of liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to chicken, pork, beef, chicken, liver, beef liver, chicken kidney, kidney, beef kidney, eggs, milk, fish Mosey Dink, rice Bay ADM A3, milbemycin A4, milbemycin D, nemadectin residues measured and confirmed.

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

With tert-butyl methyl ether extract sample (except milk) residues milbemycin drugs, and the extract was concentrated redissolved nitrogen blowing through Silica gel column purification, concentration, liquid chromatography - mass spectrometry/mass spectrometry and confirmed, external standard. Milk milbemycin drug residues extracted with acetonitrile and the extract was concentrated purified by C18 column chromatography - mass spectrometry/mass spectrometry detection Testing and validation, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water using a water GB/T 6682 regulations. 4.1 tert-butyl methyl ether. 4.2 ethyl acetate. 4.3 n-hexane. 4.4 acetonitrile. high performance liquid chromatography. 4.5 Methanol. HPLC grade. 4.6 dichloromethane. 4.7 formic acid. High performance liquid chromatography. 4.8 over anhydrous sodium. 650 ℃ burning 4h, cooled, placed in a desiccator. 4.9 sodium chloride. 4.10 lysis solution. n-hexane dichloromethane (64 volume), accurately weighed 60mL hexane (4.3), and 40mL dichloromethane (4.6), mix well. 4.11 Eluent. n-hexane ethyl acetate (694, volume ratio) were accurately taken 60mL ethyl acetate (4.2) and 940mL of n-hexane, well mixed. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3925-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3925-2014_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 3925-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3925-2014_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.