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SN/T 2156-2008 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 2156-2008: Determination of fenamiphos residue in foods for import and export. Gas chromatography-mass spectrometry (GC-MS) method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2156-2008	549	Add to Cart	4 days	Determination of fenamiphos residue in foods for import and export. Gas chromatography-mass spectrometry (GC-MS) method	Valid

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Basic data

Standard ID: SN/T 2156-2008 (SN/T2156-2008)
Description (Translated English): Determination of fenamiphos residue in foods for import and export. Gas chromatography-mass spectrometry (GC-MS) method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: C53
Word Count Estimation: 21,277
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 food fenamiphos residues by gas chromatography mass spectrometry. This standard applies to oranges, apples, spinach, green onions, cabbage, pine nuts, walnuts, tea, honey, fish, chicken kidney, duck, corn, brown rice, fungus, chili sauce fenamiphos residues and confirmation.

SN/T 2156-2008: Determination of fenamiphos residue in foods for import and export. Gas chromatography-mass spectrometry (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 fenamiphos residue in foods for import and export.Gas chromatography-mass spectrometry (GC-MS) method Exit inspection and quarantine industry standard book People's Republic of China Importers detection in food fenamiphos residues Gas chromatography - mass spectrometry 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, Appendix B are informative appendices. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Jilin People's Republic of China Entry-Exit Inspection and Quarantine Chongqing People's Republic of China Bureau, People's Republic of China Shanxi Entry-Exit Inspection and Quarantine Yunnan People's Republic of China. The main drafters of this standard. Wang Mingtai, Mou Jun, Wang Guomin, Xue Ping, Lu Lijun, Ma Xiaogang, Zhou, Han Taichuan. This standard is the first release of the entry-exit inspection and quarantine industry standards. Importers detection in food fenamiphos residues Gas chromatography - mass spectrometry

1 Scope

This standard specifies the foods fenamiphos residues by gas chromatography - mass spectrometry method. This standard applies to oranges, apples, spinach, green onions, cabbage, pine nuts, walnuts, tea, honey, fish, chicken kidneys, duck, corn, brown rice, Fungus, chili sauce fenamiphos residues measured and confirmed.

2 Method summary

Samples were extracted with acetonitrile, acetonitrile saturated with n-hexane liquid - liquid distribution, solid phase extraction (SPE) and gas chromatography - mass spectrometry detection, external standard Statutory amount.

3 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade, double distilled water. 3.1 acetonitrile. residual level. 3.2 acetone. residual level. 3.3 hexane. Residual level. 3.4 Toluene. residual level. 3.5 Toluene - acetonitrile (1 + 3, volume ratio). amount of 20mL toluene and 60mL acetonitrile, and mix. 3.6 acetonitrile saturated n-hexane solution. Take 100mL n-hexane, 30mL of acetonitrile in a separating funnel, Shakers, and set aside. 3.7 fenamiphos standards (Fenamiphos, C13H22NO3PS, CASN o.22224-96-6). purity greater than or equal to 98%. 3.8 fenamiphos standard stock solution. accurately weighed amount of fenamiphos standards, formulated with acetone to a concentration of 100μg/mL of standard stock Preparation of the solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 3.9 fenamiphos standard solution. diluted with acetone needed to apply the standard working solution concentration. The solution at 0 ℃ ~ 4 ℃ Refrigerator. 3.10 fluoro Rory silica SPE column. Florisil, 1000mg, 6mL. 3.11 GCB SPE. ENVI-Carb, 500mg, 6mL, or equivalent person. 3.12 neutral alumina SPE. N-Al2O3,1000mg, 6mL, or equivalent person. 3.13 C18 solid phase extraction column. C18,1000mg, 6mL.

4 instruments and equipment

4.1 Gas chromatography - mass spectrometry. source with electron impact (EI). 4.2 Mixer. 4.3 Centrifuge. 5000r/min. 4.4 rotary evaporator. 4.5 PTFE tube. 50mL. 4.6 funnel. 250mL. 4.7 concentrated bottle. 50mL. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2156-2008_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2156-2008_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 2156-2008_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2156-2008_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.