GB/T 5515-2008 English PDFUS$399.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 5515-2008: Inspection of grain and oils -- Determination of crude fibre content in grain -- Method with intermediate filtration Status: Obsolete GB/T 5515: Historical versions
Basic dataStandard ID: GB/T 5515-2008 (GB/T5515-2008)Description (Translated English): Inspection of grain and oils -- Determination of crude fibre content in grain -- Method with intermediate filtration Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: X10 Classification of International Standard: 67.040 Word Count Estimation: 10,121 Date of Issue: 2008-08-22 Date of Implementation: 2008-12-01 Older Standard (superseded by this standard): GB/T 5515-1985 Quoted Standard: GB/T 6682; GB/T 20195 Adopted Standard: ISO 6865-2000, IDT Regulation (derived from): National Standard Approval Announcement 2008 No.14 (Total No.127) 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 determination of crude fiber content of food by media filtration assay step manual and semi-automatic operation. This standard applies to crude fiber content than 10g/kg cereals, determination of legumes and animal feed crude cellulose content. GB/T 5515-2008: Inspection of grain and oils -- Determination of crude fibre content in grain -- Method with intermediate filtration---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. Inspection of grain and oils. Determination of crude fibre content in grain. Method with intermediate filtration ICS 67.040 X10 National Standards of People's Republic of China GB/T 5515-2008/ISO 6865.2000 Replacing GB/T 5515-1985 Inspection of grain Determination of crude fiber content of food Media filtration (ISO 6865.2000, IDT) Posted 2008-08-22 2008-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard is identical with ISO 6865.2000 "animal feed crude fiber content determination of filtration media" (in English). For ease of use, the standard ISO 6865.2000 includes the following editorial changes. --- "This International Standard" be replaced by "this standard"; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Delete foreword international standards; --- The reference document ISO 6498.1998 is replaced GB/T 20195; --- Petroleum ether boiling range from the 40 ℃ ~ 60 ℃ to 30 ℃ ~ 60 ℃. This standard is GB/T 5515-1985 "grain and oilseeds testing crude fiber determination" amendments. The main changes compared to 5515-1985 standard and GB/T as follows. --- Increased by principle, normative references, terms and definitions, for sampling, sample preparation, semi-automatic method of operation analysis step, precision And test reports. Since the implementation of this standard replaces GB/T 5515-1985. Appendix A of this standard is an informative annex. The standard proposed by the National Food Authority. This standard by the National Standardization Technical Committee OILS. This standard was drafted. State Administration of Grain Science Institute. The main drafters. Zhang Jiaxin, Hao Xicheng, Wu Chunhua. This standard supersedes previously issued as standard. --- GB/T 5515-1985. GB/T 5515-2008/ISO 6865.2000 Inspection of grain Determination of crude fiber content of food Media filtration1 ScopeThis standard specifies the determination of crude fiber content in grain by media filtration method step manual and semi-automatic operation. This standard applies to the determination of crude fiber content higher than 10g of cereals, legumes and animal feed crude fiber content/kg of. NOTE. If the crude fiber content of not more than 10g/kg, should be performed in accordance with ISO 6541.2 Normative referencesThe 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 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 20195 preparation of animal feed samples (GB/T 20195-2006, ISO 6498.1998, IDT)3 Terms and DefinitionsThe following terms and definitions apply to this standard. 3.1 In accordance with the provisions of the standard sample analysis steps, acids and bases after the residue obtained after digestion, drying, ashing again after the loss of part of the account Kind of quality scores. NOTE. The crude fiber content expressed as g/kg. It can also be expressed by mass fraction (%). Principle 4 Sample processing with boiling dilute sulfuric acid, the residue was isolated by filtration, washed, treated with potassium hydroxide solution boiling. The residue was treated It was isolated by filtration, washed, dried and weighed, and then ashed. Quality ashing loss corresponds to the quality of the sample of crude fiber.5 ReagentsUnless otherwise indicated, the reagents used were of analytical grade. 5.1 Water. at least third grade water GB/T 6682 regulations. 5.2 hydrochloric acid solution. Ba (HCl) = 0.5mol/L. 5.3 sulfuric acid solution. Ba (H2SO4) = (0.13 ± 0.005) mol/L. 5.4 Potassium hydroxide solution. Ba (KOH) = (0.23 ± 0.005) mol/L. 5.5 acetone. 5.6 Filter Accessories. 545 sea sand or diatomaceous earth, or other material of equivalent quality. Before use, the sea sand with boiling hydrochloric acid solution [Ba (HCl) = 4mol/L], washed with water until neutral, and then at 500 ℃ ± 25 ℃ Heating at least 1h. Other filter materials at 500 ℃ ± 25 ℃ heated for at least 4h. 5.7 defoamers. eg n-octanol. 5.8 petroleum ether. boiling range 30 ℃ ~ 60 ℃. 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