GB/T 15687-2008 PDF EnglishUS$100.00 · In stock · Download in 9 seconds
GB/T 15687-2008: Animal and vegetable fats and oils -- Preparation of test sample Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 15687: Historical versions
Similar standardsGB/T 15687-2008: Animal and vegetable fats and oils -- Preparation of test sample---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/GBT15687-2008NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 67.200.10 X 14 GB/T 15687-2008 / ISO 661:2003 Replacing GB/T 15687-1995 Animal and vegetable fats and oils - Preparation of test sample (ISO 661:2003, IDT) ISSUED ON: NOVEMBER 04, 2008 IMPLEMENTED ON: JANUARY 20, 2009 Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 4 2 Principle ... 4 3 Reagent ... 4 4 Apparatus ... 4 5 Procedure ... 4 6 Storage ... 6ForewordThis Standard is identical to ISO 661:2003 "Animal and vegetable fats and oils - Preparation of test sample" (English version). For convenience of use, this Standard makes the following editorial changes to ISO 661:2003: -- Delete the foreword of the international standard; -- Change "this International Standard" into "this Standard"; -- Use the decimal point "." to replace the comma "," in the original text; This Standard replaces GB/T 15687-1995 "Oils and fats - Preparation of test sample". The main differences between this Standard and GB/T 15687-1995: -- Remove definitions; -- Modify the scope of application of the measurement items of the solid laboratory sample preparation method; -- Integrate the storage requirements. This Standard was proposed by the State Administration of Grain. This Standard shall be under the jurisdiction of National Technical Committee 270 on Grain and Oil of Standardization Administration of China. The drafting organizations of this Standard: Standard Quality Center of State Administration of Grain, Nanjing University of Finance & Economics. The main drafters of this Standard: Tang Ruiming, Yuan Jian, Ju Xingrong, Yang Huiping. The previous versions of the standards which are replaced by this Standard are: -- GB/T 15687-1995. Animal and vegetable fats and oils - Preparation of test sample1 ScopeThis Standard specifies methods and procedures for the preparation of a test sample from a laboratory sample of animal and vegetable fats and oils. This Standard applies to fats and oils other than emulsified fats (such as butter, margarine or mayonnaise).2 PrincipleMix fats and oils, and heat at an appropriate temperature when necessary. If required, insoluble substances are separated by filtration and water is removed by drying with anhydrous sodium sulfate.3 ReagentAnhydrous sodium sulfate.4 Apparatus4.1 Electric drying oven, with means of temperature regulation. 4.2 Heated filter funnel.5 Procedure5.1 Mixing and filtration 5.1.1 Liquid sample, clear and without sediment Shake the closed container holding the laboratory samples, to make the laboratory samples as homogeneous as possible. 5.1.2 Liquid sample, turbid or with sediment 5.1.2.1 When determining the following items: a) moisture and volatile matter; ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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