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GB/T 24893-2010 English PDF

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GB/T 24893-2010: Animal and vegetable fats and oils -- Determination of polycyclic aromatic hydrocarbons
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Basic data

Standard ID GB/T 24893-2010 (GB/T24893-2010)
Description (Translated English) Animal and vegetable fats and oils -- Determination of polycyclic aromatic hydrocarbons
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard X14
Classification of International Standard 67.200.10
Word Count Estimation 22,214
Date of Issue 2010-06-30
Date of Implementation 2011-01-01
Quoted Standard GB/T 15687
Adopted Standard ISO 15753-2006, IDT
Regulation (derived from) National Standard Approval Announcement 2010 No.2 (Total No.157)
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 provides high-performance liquid chromatography-Determination of plant and animal oils and fats 15 PAHs related terms and definitions, principle, reagents, equipment, pre-treatment methods are generally plant and animal oils and fats, coconut oil and contain short-chain fatty acids pretreatment method of vegetable oil, HPLC analysis, Results are expressed and precision. This standard applies to general animal fat and coconut oil and the determination of short-chain fatty acids in vegetable oils containing PAHs.

GB/T 24893-2010: Animal and vegetable fats and oils -- Determination of polycyclic aromatic hydrocarbons


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Animal and vegetable fats and oils.Determination of polycyclic aromatic hydrocarbons ICS 67.200.10 X14 National Standards of People's Republic of China GB/T 24893-2010/ISO 15753.2006 Animal and vegetable fats Determination of Polycyclic Aromatic Hydrocarbons (ISO 15753.2006, IDT) Issued on. 2010-06-30 2011-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is equivalent to international standard ISO 15753.2006 "Animal and vegetable fats - Determination of polycyclic aromatic hydrocarbons" (in English). For ease of use, the standard ISO 15753.2006 includes the following editorial changes. --- "This International Standard" by "this standard"; --- Deleted international standards foreword; --- Normative documents referenced by the current national standard GB/T 15687-2008 "Preparation of animal fat samples" instead ISO 661.2003Animalandvegetablefatsandoils-Preparationoftestsample; --- Chapter 7, and references by the current national standard GB/T 5524-2008 "for sampling animal fat" instead of ISO 5555. --- With a decimal point instead of the international standard as a decimal comma ",". ","; --- Number of formulas. Appendix A of this standard and Appendix B is an informative annex. The standard proposed by the National Food Authority. This standard by the National Standardization Technical Committee OILS. This standard is drafted by. Nanjing University of Finance and Economics. Units involved in the drafting of this standard. Shanghai Jiaotong University, Hubei Provincial Cereals, Oils and food quality monitoring stations. The main drafters of this standard. Yuan Jian, Wang Haifeng, OILS, Yang Xiaorong, Wu Shimin Xiong Ning. GB/T 24893-2010/ISO 15753.2006 Animal and vegetable fats Determination of Polycyclic Aromatic Hydrocarbons

1 Scope

This standard specifies the determination of 15 PAHs animal fats relevant terms and definitions, principles, again by HPLC Agents, equipment, pretreatment methods of general animal fat, coconut oil, and pre-treatment methods short chain fatty acids containing vegetable oil, high performance liquid chromatography Spectral analysis, results are shown and precision. This standard applies to general animal fats and coconut oil was measured and short chain fatty acids containing vegetable oils polycyclic aromatic hydrocarbons. This standard does not apply to the more volatile components of quantitative naphthalene, acenaphthene and fluorene analysis, and palm oil and olive pomace oil Polycyclic Aromatic Hydrocarbons Determination. PAHs remaining quantitative detection limits were 0.2μg/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 15687 animal and plant oils prepared sample (GB/T 15687-2008, ISO 661.2003, IDT)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 A compound containing two or more fused aromatic rings. According to the standards prescribed conditions determination of its content in milligrams per kilogram (Mg/kg) meter. Note. usually contain polycyclic aromatic hydrocarbons can be divided into two to four aromatic rings of light PAHs and five and five or more aromatic rings weight PAHs. Example. Light PAHs include. naphthalene (CASRN [91-20-3]), acenaphthylene (CASRN [83-32-9]), acenaphthylene (CASRN [208-96-8]), fluorene (CASRN [86-73 - 7]), anthracene (CASRN [120-12-7]), the Philippines (CASRN [85-01-8]), fluoranthene (CASRN [206-44-0]), "(CASRN [218-01-9 ]), benzo (Rao) anthracene (CASRN [56-55-3]), pyrene (CASRN [129-00-0]). Weight PAHs include. benzo (Rao) pyrene (CASRN [50-32-8]), benzo (Chou) fluoranthene (CASRN [205-99-2]), benzo (k) fluoranthene (CASRN [207 39-5]). Principle 4 Polycyclic aromatic hydrocarbons in the sample with acetonitrile - acetone mixture was extracted, followed by extraction with C18 reverse phase column and Florisil bonded stationary phase Column purified by high performance liquid chromatography (HPLC) separation, fluorescence intensity was measured at different excitation and emission wavelengths measured for various multi Ring aromatics content.

5 Reagents

Warning. be aware of dangerous goods rules of operation, the operation should follow the technical, organizational and personal safety measures. Unless otherwise stated, use only analytical reagent. GB/T 24893-2010/ISO 15753.2006

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