GB/T 17377-2008 PDF EnglishUS$70.00 · In stock · Download in 9 seconds
GB/T 17377-2008: Animal and vegetable fats and oils -- Analysis by gas chromatography of methyl esters of fatty acids Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Obsolete GB/T 17377: Historical versions
Similar standardsGB/T 17377-2008: Animal and vegetable fats and oils -- Analysis by gas chromatography of methyl esters of fatty acids---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT17377-2008 GB ICS 67.200.10 X 14 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA GB/T 17377-2008 / ISO 5508.1990 Replacing GB/T 17377-1998 Animal and vegetable fats and oils — Analysis by gas chromatography of methyl esters of fatty acids (ISO 5508. 1990, IDT) Issued on: NOVEMBER 04, 2008 Implemented on: JANUARY 20, 2009 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Reagents ... 4 4 Apparatus ... 5 5 Procedure ... 7 6 Expression of results ... 12 7 Special case — Use of a catharometer detector ... 15 8 Test report ... 15ForewordThis standard is identical to ISO 5508. 1990 Animal and vegetable fats and oils — Analysis by gas chromatography of methyl esters of fatty acids (English Edition). In order for ease of use, the following editorial changes have been made in this standard to ISO 5509. 2000. — Delete “Foreword” of the international standard; — Change “this international standard” to “this standard”; — Replace the comma “,” that is used as decimal point to “.” This standard is the revision of GB/T 17377-1998 Animal and vegetable fats and oils--Analysis by gas chromatography of methyl esters of fatty acids. Main differences between this standard and GB/T 17377-1998 are as follows. — Delete “ISO Foreword” in previous version; — Change “Annex A” in previous version to “5.1.2” in this standard. This standard shall replace GB/T 17377-1998 from the implementation date. This standard was proposed by State Grain Administration. This standard shall be under the jurisdiction of National Technical Committee on Grain and Oil of Standardization Administration of China. The responsible drafting organizations of this standard. Xi’an Grease Science Research & Design Institute of State Grain Administration, Shanxi Product Quality Supervision and Inspection Center, and COFCO Group Yellow Sea Rain and Vegetable Oil Industry (Shandong) Co., Ltd. The chief drafting staffs of this standard. Meng Ju, Xia Tianwen, Wang Huifang, Tang Xin, Xu Guanghong, Ni Fangyan, and Liu Peilian. This standard replaces the following historical edition. — GB/T 17377-1998. Animal and vegetable fats and oils — Analysis by gas chromatography of methyl esters of fatty acids1 ScopeThis standard gives general guidance for the application of gas chromatography, using packed or capillary columns, to determine the qualitative and quantitative composition of a mixture of fatty acid methyl esters obtained in accordance with the method specified in GB/T 17376. The method is not applicable to polymerized fatty acids. 2 Normative references The articles contained in the following documents have become part of this standard when they are quoted herein. For the dated documents so quoted, all the modifications (excluding corrections) or revisions made thereafter shall not be applicable to this standard. For the undated documents so quoted, the latest editions shall be applicable to this standard. GB/T17376 Animal and vegetable fats and oils — Preparation of methyl esters of fatty acids (ISO 5509.2000, IDT)3 Reagents3.1 Carrier gas Inert gas (nitrogen, helium, argon, hydrogen, etc.), thoroughly dried and with an oxygen content of less than 10 mg/kg. NOTE 1 Hydrogen, which is used as a carrier gas only with capillary columns, can double the speed of analysis but is hazardous. Safety devices are available. 3.2 Auxiliary gases 3.2.1 Hydrogen (purity ≥ 99.9 %), free from organic impurities. 3.2.2 Air or oxygen, free from organic impurities. The test report shall include all information necessary for the complete identification of the sample. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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