SN/T 2235-2008 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2235-2008	719	Add to Cart	3 days	Determination of cyprodinil residues in food for import and export. GC-MS method	Obsolete

Similar standards

SN/T 2210   NY/T 939   NY/T 2334   SN/T 2231   SN/T 2226   SN/T 2225   

Basic data

Standard ID: SN/T 2235-2008 (SN/T2235-2008)
Description (Translated English): Determination of cyprodinil residues in food for import and export. GC-MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Word Count Estimation: 18,121
Date of Issue: 2008-11-18
Date of Implementation: 2009-06-01
Regulation (derived from): National Quality Inspection [2008] No. 577
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the food cyprodinil residues by gas chromatography mass spectrometry detection and confirmation methods. This standard applies to rice, soybeans, small cabbage, sweet peas, pears, citrus, peanuts, tea, beef, chicken, shrimp, honey cyprodinil residues detection and confirmation.

SN/T 2235-2008: Determination of cyprodinil 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 cyprodinil residues in food for import and export.GC-MS method Exit inspection and quarantine industry standard book People's Republic of China Imported and exported food cyprodinil Residue Detection Gas chromatography - mass spectrometry Posted 2008-11-18 2009-06-01 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 Zhejiang Exit Inspection and Quarantine, People's Republic of China Liaoning Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Ding Huiying, Xie, Chen Xiaomei, will Xiaoying, Zhou Xu, Yao Liang, Wei Feng. This standard is the first release of the entry-exit inspection and quarantine industry standards. Imported and exported food cyprodinil Residue Detection Gas chromatography - mass spectrometry

1 Scope

This standard specifies the foods cyprodinil residues by gas chromatography - mass spectrometry detection and confirmation methods. This standard applies to rice, soybeans, small cabbage, sweet peas, pears, oranges, peanuts, tea, beef, chicken, shrimp, honey cyprodinil Residue detection and confirmation.

2 Method summary

Sample remaining cyprodinil with hexane - acetone (1 + 1) extraction by gel permeation chromatography column and propylsulfonyl silyl silica Yang Ion exchange column purification, gas chromatography - mass spectrometry and confirmed, external standard.

3 Reagents and materials

Unless otherwise stated, the use of organic reagents were HPLC grade water as distilled water. 3.1 n-hexane. 3.2 acetone. 3.3 cyclohexane. 3.4 ethyl acetate. 3.5 methanol. 3.6 ammonia. AR. 3.7 hydrochloric acid. AR. 3.8 0.1mol/L hydrochloric acid solution. take 9mL amount of hydrochloric acid, diluted with an appropriate amount of water to 1000mL. 3.9 Sodium chloride. AR. 3.10 Anhydrous sodium sulfate. AR, 650 ℃ burning 4h, cooled in a desiccator to room temperature and stored in a sealed bottle aside. 3.11 propylsulfonyl silyl silica gel cation-exchange column. 3mL, 500mg or equivalent person. 3.12 cyprodinil (Cyprodinil) standard substance. purity of greater than 99%, of the formula. C14H15N3 Molecular Weight. 225.3CAS No. 121552-61-2. 3.13 cyprodinil standard solution. Accurately weigh an adequate amount of cyprodinil standard material with acetone dubbed the concentration of 100μg/mL standard Stock solution. If necessary with acetone diluted to the appropriate concentration of the working standard solution. Standard stock solution at 0 ℃ ~ 4 ℃ refrigerator to save, effective Period of 12 months, working standard solution stored at 0 ℃ ~ 4 ℃ refrigerator for a period of six months.

4 instruments and equipment

4.1 Gas chromatography - mass spectrometry. source with electron impact (EI). 4.2 vortex mixer. 4.3 centrifuge. speed is greater than 5000r/min. 4.4 nitrogen blowing instrument. 4.5 rotary evaporator. 4.6 homogenizer. 4.7 Solid phase extraction device. 4.8 Multifunction food mixer. 4.9 mill. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2235-2008_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2235-2008_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 2235-2008_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2235-2008_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.