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GB/T 21911-2008 English PDF

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US$439.00 · In stock
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GB/T 21911-2008: Determination of phthalate esters in foods
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21911-2008	439	Add to Cart	3 days	Determination of phthalate esters in foods	Obsolete

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Basic data

Standard ID: GB/T 21911-2008 (GB/T21911-2008)
Description (Translated English): Determination of phthalate esters in foods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.040
Word Count Estimation: 11,151
Date of Issue: 2008-05-16
Date of Implementation: 2008-11-01
Regulation (derived from): National Standard Approval Announcement 2008 No.9 (Total No.122)
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 content of phthalate esters in food substances in gas chromatography-mass spectrometry methods. This standard applies to the determination of food material content phthalate esters. This standard detection limit: each sample containing fat phthalate detection limit of 1. 5 mg/kg detection limit oil-free samples of each phthalate compound is 0. 05 mg/kg.

GB/T 21911-2008: Determination of phthalate esters in foods

---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 phthalate esters in foods ICS 67.040 X04 National Standards of People's Republic of China Determination of phthalic acid esters in foods Posted 2008-05-16 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Appendix A, Appendix B, Appendix C, Appendix D, Appendix E is an information appendix. This standard was proposed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China. This standard by the National Food Safety Emergency standardization working group. This standard was drafted. Haidian District, Beijing Products Quality Supervision, Inspection and the (National Food Quality Supervision, Inspection and Safety Center). The main drafters of this standard. Chang Yuwen, Li Wei, ZHOU Xiang Juan, Zhao Yuqi, Cao Hong, Liu Yanqin. Determination of phthalic acid esters in foods

1 Scope

This standard specifies the content of foods phthalate esters by gas chromatography - mass spectrometry (GC-MS) spectrometry. This standard applies to foods phthalate esters (16 kinds, see Appendix A) Determination of. The detection limit of this standard. greasy samples of each phthalate detection limit of 1.5mg/kg, oil-free sample of each o The detection limit of the terephthalate compound 0.05mg/kg. Principle 2 Various types of food extracts, purified by gas chromatography - mass spectrometry measurement. Scan feature using selected ion monitoring mode (SIM), to the abundance of debris than the qualitative and quantitative standard sample ions external standard.

3 Reagents

Unless otherwise indicated, this standard are the full glass of water re-distilled water, reagents were HPLC grade (analytical or heavy distillates, stored in a glass Bottle). 3.1 n-hexane. 3.2 ethyl acetate. 3.3 cyclohexane. 3.4 petroleum ether. boiling range 30 ℃ ~ 60 ℃. 3.5 acetone. 3.6 anhydrous sodium. excellent pure, burning at 650 ℃ 4h, cooled storage in a sealed desiccator. 3.7 16 kinds of phthalates standard. dimethyl phthalate (DMP), diethyl phthalate (DEP), dibutyl phthalate Isobutyl (DIBP), dibutyl phthalate (DBP), dibutyl phthalate (2-methoxy) ethyl (DMEP), phthalic acid di (4-methyl Pentyl-2-yl) acrylate (BMPP), phthalic acid bis (2-ethoxyethyl) ester (DEEP), dipentyl phthalate (DPP), phthalic acid Dihexyl ester (DHXP), butyl benzyl phthalate (BBP), dibutyl phthalate (2-butoxyethoxy) ethyl (DBEP), dibutyl phthalate Cyclohexyl ester (of DCHP) phthalate, di (2-ethylhexyl) phthalate (of DEHP), diphenyl phthalate, di-n-octyl phthalate (DNOP), dinonyl phthalate (DNP), purity see Appendix B. 3.8 standard stock solution. Weigh the above standard (accurate to 0.1mg), with n-hexane formulated as a stock solution 1000mg/L, and At 4 ℃ refrigerator stored. 3.9 standard solution. A standard stock solution was diluted with n-hexane to a concentration of 0.5,1.0,2.0,4.0,8.0mg/L solution standard series stand-by.

4 Instrument

4.1 Gas chromatography - mass spectrometry (GC-MS). 4.2 to gel permeation chromatography system (GPC). Corn oil and phthalic acid di (2-ethyl) hexyl acrylate resolution not less than 85% (or Degreased equivalent separation device). 4.3 Analysis of balance. a sense of the amount of 0.1mg and 0.01g. 4.4 centrifuge. speed of not less than 4000r/min. 4.5 rotary evaporator. 4.6 oscillator. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21911-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21911-2008_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 21911-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21911-2008_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.