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SN/T 2147-2008 English PDF

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US$549.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2147-2008: Determination of cadusafos residues in food for import and export
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2147-2008	549	Add to Cart	4 days	Determination of cadusafos residues in food for import and export	Valid

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Basic data

Standard ID: SN/T 2147-2008 (SN/T2147-2008)
Description (Translated English): Determination of cadusafos residues in food for import and export
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: C47
Word Count Estimation: 21,247
Date of Issue: 2008-09-04
Date of Implementation: 2009-03-16
Regulation (derived from): Industry standard filing Notice No. 11 of 2008
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export food Cadusafos residues by gas chromatography and gas chromatography mass spectrometry confirmatory method. This standard applies to asparagus, potatoes, onions, apples, peaches, corn, buckwheat, tea, vinegar, honey, walnuts, rabbit, chicken and shrimp in Cadusafos residues and confirmation.

SN/T 2147-2008: Determination of cadusafos residues in food for import and export

---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 cadusafos residues in food for import and export Exit inspection and quarantine industry standard book People's Republic of China Importers detection in food cadusafos residues Posted 2008-09-04 2009-03-16 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 appendices. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Shanxi People's Republic of China Entry-Exit Inspection and Quarantine of Jilin People's Republic of China Bureau, People's Republic of China Hunan Exit Inspection and Quarantine. The main drafters of this standard. Xue Ping, even GY, Wang Mingtai, Du Lijun, Zhang Ying, Kang Jie, Yuan Li. This standard is the first release of the entry-exit inspection and quarantine industry standards. Importers detection in food cadusafos residues

1 Scope

This standard specifies the gas chromatography and gas chromatography imported and exported food cadusafos residues - and MS methods. This standard applies to asparagus, potatoes, green onions, apples, peaches, corn, buckwheat, tea, vinegar, honey, walnuts, rabbit, chicken liver and shrimp in Determination cadusafos residues and confirmation.

2 Method summary

Samples of plant origin with ethyl acetate - cyclohexane mixed solvent extraction; animal-derived samples and high oil content of the plant-derived sample with acetonitrile Extract, extract by gel chromatography (GPC) or C18 solid-phase extraction (SPE) for gas chromatography with nitrogen phosphorus detector and external standard Quantified, positive samples by gas chromatography - mass spectrometry confirmed.

3 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade, double distilled water. 3.1 ethyl acetate. pesticide grade. 3.2 Cyclohexane. pesticide grade. 3.3 acetonitrile. chromatography. 3.4 n-hexane. 3.5 chloroform. 3.6 anhydrous sodium. 650 ℃ burning 4h, stored in a sealed container in the back. 3.7 ethyl acetate - cyclohexane (1 + 1, volume ratio). 500mL ethyl acetate and 500mL of cyclohexane was added, and mix. 3.8 ethyl acetate - cyclohexane (1 + 2, volume ratio). 500mL ethyl acetate and 500mL of cyclohexane was added, and mix. 3.9 cadusafos standard substance (Cadusafos, C10H23O2PS2; CAS. 95465-99-9, molecular weight. 270.4). purity equal to or greater At 99%. 3.10 cadusafos stock standard solution (100mg/L). accurately weighed amount cadusafos standard substance dissolved in ethyl acetate, and preparation of a concentration 100mg/L standard stock solution, and the solution was stored at 0 ℃ ~ 4 ℃. 3.11 cadusafos standard working solution. ethyl acetate diluted to the appropriate concentration of the standard working solution needed then. Standard working solution should now With the existing service. 3.12 C18 solid phase extraction columns. 60mg, 3mL, or equivalent person. 3.13 microporous membrane. 0.45μm.

4 instruments and equipment

4.1 Gas chromatograph. with NPD. 4.2 Gas chromatography - mass spectrometry. source with electron impact (EI). 4.3 Analysis of balance. a sense of the amount of 0.0001g. 4.4 gel chromatography, with unit pumps, fraction collectors. 4.5 Solid phase extraction device. 4.6 Centrifuge. 4000r/min. 4.7 over anhydrous sodium sulfate column. 7.5cm × 1.5cm (internal diameter) glass column, 5cm high contents over anhydrous sodium sulfate. 4.8 rotary evaporator. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2147-2008_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2147-2008_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 2147-2008_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2147-2008_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.