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SN/T 2321-2009 English PDF

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US$519.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2321-2009: Determination of myclobutanil residue in foodstuffs for import and export. GC-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2321-2009	519	Add to Cart	4 days	Determination of myclobutanil residue in foodstuffs for import and export. GC-MS method	Valid

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Basic data

Standard ID: SN/T 2321-2009 (SN/T2321-2009)
Description (Translated English): Determination of myclobutanil residue in foodstuffs for import and export. GC-MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 20,210
Date of Issue: 2009-07-07
Date of Implementation: 2010-01-16
Regulation (derived from): Industry standard filing Notice 2009 No. 10 (No. 118 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the food myclobutanil residues by gas chromatography mass spectrometry and confirmatory methods. This standard applies to rice, millet, corn, beans, black tea, green tea, jasmine tea, oolong tea, barley tea, strawberries, apples, pears, cabbage, cucumbers, peppers, carrots, peanuts, hazelnuts and other plant-derived products, beef, lamb, pork, chicken, fish, liver, goat, chicken, milk, honey and other products of animal origin myclobutanil residues in the detection and confirmation.

SN/T 2321-2009: Determination of myclobutanil residue in foodstuffs for import and export. GC-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 myclobutanil residue in foodstuffs for import and export.GC-MS method Exit inspection and quarantine industry standard book People's Republic of China Imported and exported food myclobutanil Residue Detection Gas chromatography - mass spectrometry Posted 2009-07-07 2010-01-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

Appendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Beijing Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Zhejiang Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Xinjiang Exit Inspection and Quarantine. The main drafters of this standard. Wang Jinhua, a Xu Chao, Lu Xiaoyu, Zeng Jing, Ding Huiying, Zhu Yu, Yu Shi, Shang Dejun, Han deep. This standard is the first release of the entry-exit inspection and quarantine industry standards. Imported and exported food myclobutanil Residue Detection Gas chromatography - mass spectrometry

1 Scope

This standard specifies the foods myclobutanil residues by gas chromatography - mass spectrometry and confirmation methods. This standard applies to rice, millet, maize, beans, black tea, green tea, jasmine tea, oolong tea, barley tea, strawberries, apples, pears, cabbage, yellow Melons, peppers, carrots, peanuts, hazelnuts and other plant-derived products; beef, lamb, pork, chicken, fish, liver, goat, chicken, milk, honey And other products of animal origin myclobutanil residues in the detection and confirmation.

2 principle of the method

Sample residues of myclobutanil with acetonitrile or chloroform extraction, and subjected to solid phase extraction (SPE) column or gel permeation chromatography (GPC) instrument Net Of gas chromatography - mass spectroscopy and confirmed, external standard.

3 Reagents and materials

Unless otherwise stated, all reagents pesticide grade, the water is deionized water. 3.1 acetonitrile. HPLC grade. 3.2 toluene. 3.3 acetone. 3.4 n-hexane. 3.5 ethyl acetate. 3.6 cyclohexane. 3.7 chloroform. HPLC grade. 3.8 Methanol. HPLC grade. 3.9 Sodium chloride. AR. 3.10 Anhydrous sodium sulfate. After burning 650 ℃ 4h, placed in a desiccator. 3.11 eluent. n-hexane - acetone (4 + 1, volume ratio). Take hexane 80mL, 20mL of acetone was added, and mix. 3.12 ethyl acetate - cyclohexane (1 + 1, volume ratio). Take ethyl acetate 50mL, 50mL cyclohexane was added, and mix. 3.13 myclobutanil standard (Myclobutanil). CAS. 88671-89-0, molecular formula. C15H17ClN4, purity ≥99%. 3.14 myclobutanil standard stock solution. accurately weighed amount of myclobutanil standard (accurate to 0.1mg), was dissolved in toluene to prepare a 1000μg/mL standard stock solution, and stored at -18 ℃, valid for at least 12 months. 3.15 myclobutanil standard solution. diluted to the appropriate concentration of standard working solution with toluene as needed. Standard work 0.1μg/mL of For the solution at -18 ℃ preservation, valid for at least six months. 3.16 graphite carbon SPE. Envi-Carb, 6mL, 500mg, or equivalent person. 3.17 filter. 0.45μm, organic phase.

4 instruments and equipment

4.1 mill. 4.2 Organization mashed machines. 4.3 ultrasonic oscillator. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2321-2009_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2321-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 2321-2009_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2321-2009_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.