SN/T 2385-2009 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2385-2009	799	Add to Cart	4 days	Determination of dichlobenil residues in food for import and export. GC-MS method	Obsolete

Similar standards

SN/T 2210   NY/T 939   NY/T 2334   SN/T 5650   SN/T 5593   SN/T 5601   

Basic data

Standard ID: SN/T 2385-2009 (SN/T2385-2009)
Description (Translated English): Determination of dichlobenil residues in food 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: 20,270
Date of Issue: 2009-09-02
Date of Implementation: 2010-03-16
Quoted Standard: GB/T 6682
Regulation (derived from): Entry-Exit Inspection and Quarantine circular industry standards (2009. 09. 02)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the food Dichlobenil residues by gas chromatography mass spectrometry. This standard applies to rice, beans, chestnuts, spinach, onions, mushrooms, tomatoes, mangoes, oranges, blackberries, watermelon, pork and milk Diuron nitrile residue detection and confirmation.

SN/T 2385-2009: Determination of dichlobenil residues in food 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 dichlobenil residues in food for import and export.GC-MS method Exit inspection and quarantine industry standard book People's Republic of China Determination of imported and exported food diuron nitrile residues Gas chromatography - mass spectrometry Posted 2009-09-02 2010-03-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A and Appendix B are informative. 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. The main drafters of this standard. Lu Xiaoyu, Wang Jinhua, Xu Jing Jing, Zhang Rong, Wang Ying, Lin Yuanhui. This standard is the first release of the entry-exit inspection and quarantine industry standards. Determination of imported and exported food diuron nitrile residues Gas chromatography - mass spectrometry

1 Scope

This standard specifies the foods diuron nitrile residual gas chromatography - mass spectrometry. This standard applies to rice, beans, chestnuts, spinach, onions, mushrooms, tomatoes, mangoes, oranges, blackberries, watermelon, pork and milk enemy Nitrile grass residues in the detection and confirmation.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms of dated references, all subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Laboratory use specifications and test methods GB/T 6682 Analysis

3 PRINCIPLE OF THE METHOD

Sample remaining diuron nitrile extracted with acetonitrile by solid phase extraction (SPE) column cleanup by gas chromatography - mass spectrometry detection, external standard Statutory amount.

4 Reagents and materials

Unless otherwise indicated, the reagents used were HPLC grade water as a water line with GB/T 6682 regulations. 4.1 acetonitrile. 4.2 toluene. 4.3 acetone. 4.4 Diethylene glycol. AR. 4.5 Sodium chloride. AR. 4.6 anhydrous sodium. AR. After burning 650 ℃ 4h, placed in a desiccator. 4.7 protective agent. 2% diethylene glycol - acetone solution. Take acetone 100mL, was added 2mL of diethylene glycol, and mix. 4.8 Eluent. acetonitrile - toluene (1 + 3, volume ratio). Take acetonitrile 150mL, was added 50mL of toluene, and mix. 4.9 diuron nitrile standards (dichlobenil). CAS1194-65-6, molecular formula. C7H3Cl12N, molecular weight 172.02, purity greater than Equal to 99%. 4.10 diuron nitrile standard stock solution. accurately weighed amount of diuron nitrile standards (accurate to 0.1mg), was dissolved in toluene to prepare a Standard stock solution 1000μg/mL, and stored at -18 ℃. 4.11 diuron nitrile standard solution. if necessary diluted with toluene to a suitable concentration of standard working solution. Standard work 0.1μg/mL of As the solution was stored at -18 ℃. 4.12 graphite carbon SPE. ENVI-Carb, 6mL, 500mg, or equivalent person. Before using the upper layer was added 1g ~ 2g of anhydrous sulfuric acid Sodium, with 10mL acetonitrile - toluene (4.8) activation. 4.13 C18 solid phase extraction column. C18,6mL, 1000mg, or equivalent person. Before using the upper layer was added 1g ~ 2g anhydrous sodium sulfate, with 10mL Acetonitrile - toluene (4.8) activation. 4.14 microporous membrane. 0.45μm, organic phase. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2385-2009_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2385-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 2385-2009_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2385-2009_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.