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SN/T 4045-2014 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 4045-2014: Determination of mesotrione residues in food for export - LC-MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4045-2014	629	Add to Cart	5 days	Determination of mesotrione residues in food for export - LC-MS/MS method	Valid

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Basic data

Standard ID: SN/T 4045-2014 (SN/T4045-2014)
Description (Translated English): Determination of mesotrione residues in food for export - LC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 24,261
Date of Issue: 12/1/2014
Date of Implementation: 5/1/2015
Quoted Standard: GB/T 6682
Regulation (derived from): State-Quality-Inspection-accreditation [2014] 614
Issuing agency(ies): General Administration of Customs
Summary: This standard provides the food for export mesotrione residues in liquid chromatography - mass spectrometry/mass spectrometry and confirmation methods. This standard applies to corn, brown rice, apples, citrus, sugar cane, spinach, chicken, beef, chicken

SN/T 4045-2014: Determination of mesotrione residues in food 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.
(Food for export mesotrione residues measured by liquid chromatography - mass spectrometry/mass spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of food for export mesotrione residues Liquid chromatography - mass spectrometry/mass spectrometry LC-MS/MSmethod Issued on. 2014-11-19 2015-05-01 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 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. Jilin People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Li Aijun, Mou Jun, Hu Tingting, Wang Mingtai, Lu Lijun, Zhou, Han Dachuan, Kangming Qin. Determination of food for export mesotrione residues Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard provides the food for export mesotrione residues in liquid chromatography - mass spectrometry/mass spectrometry and confirmation methods. This standard applies to corn, brown rice, apples, citrus, sugar cane, spinach, chicken, beef, chicken kidney, egg mesotrione residues Determination And confirmation.

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

Extracting a sample of mesotrione residue with acetonitrile, after gel chromatography and GCB SPE purification for liquid chromatography - MS/MS assay and confirmed, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. pesticide residue levels. 4.2 Cyclohexane. pesticide residue levels. 4.3 Methanol. Pesticide residue levels. 4.4 ethyl acetate. pesticide residue levels. 4.5 sodium chloride. 4.6 sodium hydroxide. 4.7 Sodium hydroxide solution (1.0mol/L). Weigh 4.0g of sodium hydroxide dissolved in water and dilute to 100mL. 4.8 cyclohexane - ethyl acetate solution (11 volume). amount of 500mL and 500mL cyclohexane, ethyl acetate, and mix. 4.9 methanol - water (19 volume). the amount of 10mL of methanol and 90mL of water, and mix. 4.10 mesotrione standards (Mesotrione, CAS number. 104206-82-8, molecular formula. C14H13NO7S). purity of greater than or equal to 98.0%. 4.11 mesotrione standard stock solution. accurately weighed amount mesotrione standards, prepared in methanol at a concentration of 100μg/mL standard Quasi stock solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 4.12 mesotrione standard solution. as needed mesotrione standard stock solution was diluted to a suitable concentration of standard working with methanol Solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 4.13 organic microporous membrane. 0.22μm, 0.45μm. 4.14 GCB SPE. ENVI-Carb, 250mg/6mL, or equivalent person. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 4045-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 4045-2014_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 4045-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 4045-2014_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.