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GB/T 5009.220-2008 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 5009.220-2008: Determination of the residues of anilazine in cereals
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5009.220-2008	209	Add to Cart	3 days	Determination of the residues of anilazine in cereals	Valid

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Basic data

Standard ID: GB/T 5009.220-2008 (GB/T5009.220-2008)
Description (Translated English): Determination of the residues of anilazine in cereals
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C53
Classification of International Standard: 67.040
Word Count Estimation: 9,914
Date of Issue: 2008-12-03
Date of Implementation: 2009-03-01
Adopted Standard: AOAC 988.04, NEQ; Japan residue limits for pesticides in food and test methods
Regulation (derived from): National Standard Approval Announcement 2008 No.22 (Total No.135)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination in cereals anilazine residues. This standard applies to corn, rice spiritual enemy bacteria measured residues. This standard corn, rice detection limit of 0. 002 mg/kg, the linear range of 0. 010 mg/L ~ 0 200 mg/L..

GB/T 5009.220-2008: Determination of the residues of anilazine in cereals

---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 the residues of anilazine in cereals ICS 67.040 C53 National Standards of People's Republic of China Determination in Grains anilazine residues Posted 2008-12-03 2009-03-01 implementation People's Republic of China Ministry of Health Standardization Administration of China released

Foreword

This standard reference "Japanese foods for pesticide residues in and test methods" and AOAC988.04 "pesticide formulations anilazine", this Degree of consistency with the standard method described above is not equivalent. The Standard Appendix A, Appendix B is an informative annex. This standard is proposed and administered by the People's Republic of China Ministry of Health. This standard by the People's Republic of China Ministry of Health is responsible for interpretation. This standard was drafted. China Inspection and Quarantine Science Research Institute, People's Republic of China Yantai Exit Inspection and Quarantine. The main drafters of this standard. Li Li, Sui Tao, Cao Peng, Zhang Hai, Wang Hongbing, Chu Xiaogang. Determination in Grains anilazine residues

1 Scope

This standard specifies the method for the determination in Grains anilazine residues. This standard applies to corn, rice enemy bacteria measured Spirit residues. This standard is detected in corn, rice limit of 0.002mg/kg, the linear range of 0.010mg/L ~ 0.200mg/L. The first gas chromatography method Principle 2 Extraction according anilazine solubility of the sample with acetonitrile, dichloromethane extract was back extracted with hexane dissolved rotary evaporated, distribution Electron capture detector gas chromatograph (GC-ECD) was measured, quantified by external standard.

3 Reagents and materials

Unless otherwise indicated, the reagents should be of analytical grade, it is a water-water (conductivity 25 ℃ ≤0.01mS/m). 3.1 Acetonitrile (CH3CN). 3.2 dichloromethane (CH2Cl2). 3.3 n-hexane (C6H14). 3.4 with saturated sodium chloride solution. 3.5 anhydrous sodium sulfate (Na2SO4). burning 4h at 650 ℃, after cooling stored in a desiccator. 3.6 anilazine standard (C6H2Cl3O). purity ≥99%. 3.7 anilazine standard solution. Accurately weigh an adequate amount anilazine standard, accurate to 0.0001g, dissolved in a small amount of acetone with normal hexane Yung standard stock solution to a concentration of 1.0mg/mL, and then diluted with hexane to a suitable standard working solution with different concentrations as needed, Stored at 4 ℃ refrigerator, use 90d.

4 Instrument

4.1 Gas chromatograph. equipped with electron capture detector (ECD). 4.2 rotary evaporator. 4.3 oscillator. 4.4 funnel. 500mL. Step 5 Analysis 5.1 Extraction Purification Crushed and weighed by 2.0mm round hole sieve sample 10g (accurate to 0.1g), placed in 250mL conical flask, 70mL Acetonitrile, in the oscillator 30min, filtration, respectively 20mL, 15mL acetonitrile wash the flask and filtered. The combined filtrate was fitted to Water 300mL 500mL separatory funnel and 25mL saturated sodium chloride solution, extracted three times with methylene chloride (40 mL per dosage), Dichloromethane solutions were combined, dried over anhydrous sodium sulfate, 2g fitted over a glass column effluent was collected at 30 ℃ rotary evaporated to dryness, dissolved with n-hexane Solution residues and set the volume to 1.0mL, solution gas phase chromatography. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 5009.220-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 5009.220-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 5009.220-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 5009.220-2008_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.