GB/T 23213-2008 English PDF

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GB/T 23213-2008: Determination of polycyclic aromatic hydrocarbons in vegetable oils -- GC-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23213-2008	229	Add to Cart	3 days	Determination of polycyclic aromatic hydrocarbons in vegetable oils -- GC-MS method	Valid

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Basic data

Standard ID: GB/T 23213-2008 (GB/T23213-2008)
Description (Translated English): Determination of polycyclic aromatic hydrocarbons in vegetable oils -- GC-MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 10,128
Date of Issue: 2008-12-31
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 6379.1; GB/T 6379.2; GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2008 No.27 (Total No.140)
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 vegetable oil in the 16 PAHs (short PAH, specific names are shown in Table 1) gas chromatography-mass spectrometry. This standard applies to the determination of PAHs in vegetable oil. This standard method detection limit: 1��g/kg.

GB/T 23213-2008: Determination of polycyclic aromatic hydrocarbons in vegetable oils -- 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 polycyclic aromatic hydrocarbons in vegetable oils. GC-MS method ICS 67.050 X04 National Standards of People's Republic of China Determination of PAHs in vegetable oil Gas chromatography - mass spectrometry Posted 2008-12-31 2009-05-01 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 is an informative annex. This standard is proposed and managed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China. This standard was drafted. People's Republic of China Qinhuangdao Exit Inspection and Quarantine, People's Republic of China Shandong Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Wang Jianhua, Guo Cui, Zhang Yibing, Wang Yanli, Pang Guofang. Determination of PAHs in vegetable oil Gas chromatography - mass spectrometry

1 Scope

This standard specifies the vegetable oil 16 polycyclic aromatic hydrocarbons (abbreviated PAH, the specific name of Table 1) gas chromatography - mass spectrometry. This standard applies to the determination of PAHs in vegetable oils. The standard method detection limit. 1μg/kg.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions (GB/T 6379.1-2004, ISO 5725-1.1994, IDT) GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 Polycyclic aromatic hydrocarbons in the sample with acetone - acetonitrile ultrasonic extraction, the extract was concentrated to dryness, ethyl acetate - cyclohexane (1 + 1) dissolved with Gel permeation chromatography purification, gas chromatography - mass spectrometer, internal standard.

4 Reagents and materials

Unless otherwise specified, reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. 4.2 acetone. 4.3 ethyl acetate. chromatography. 4.4 Cyclohexane. chromatography. 4.5 acetonitrile + acetone (60 + 40). 60 parts of acetonitrile and 40 parts of acetone mixed, stored at room temperature. 4.6 ethyl acetate + cyclohexane (50 + 50). 50 parts of cyclohexane and 50 parts of ethyl acetate mixed, stored at room temperature. 4.7 Standard substance. mass concentration of PAHs EPA16 mixed standard stock solution are 2g/L, the purity of ≥99%. 4.8 deuterated internal standard reference material. deuterated - Philippine D10, deuterium - anthracene D10, deuterium - benzo (Rao) pyrene D12, purity ≥99%. 4.9 PAHs standard solution. Accurately weighed amount of standard (4.7), respectively 50mL volumetric flask, ethyl acetate + cyclohexane (50 + 50) (4.6) to the mark, the concentration of 1μg/mL, stock solution stored at -20 ℃. 4.10 internal standard solution. Weigh accurately 10mg standard (4.7), respectively, in the 100mL flask, ethyl acetate + cyclohexane (50 + 50) (4.6) to the mark, the concentration of 100μg/mL, stock solution stored at -20 ℃. + Cyclohexane and then with ethyl acetate (50 + 50) Diluted to a suitable concentration of the solution and stored at 4 ℃ refrigerator. 4.11 standard solution. PAHs standard solution (4.9) and internal standard solution (4.10) after mixing spare. ......

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