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GB/T 23213-2008: Determination of polycyclic aromatic hydrocarbons in vegetable oils -- GC-MS method
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| GB/T 23213-2008 | English | 229 |
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Determination of polycyclic aromatic hydrocarbons in vegetable oils -- GC-MS method
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GB/T 23213-2008
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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
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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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