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GB/T 8793-2008 English PDF

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GB/T 8793-2008: Oil of cedarwood, Chinese Guizhou type
Status: Valid

GB/T 8793: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 8793-2008English189 Add to Cart 3 days [Need to translate] Oil of cedarwood, Chinese Guizhou type Valid GB/T 8793-2008
GB/T 8793-1988English239 Add to Cart 2 days [Need to translate] Oil of cedarwood (Cupressus funebris endlicher)--Guizhou, China Obsolete GB/T 8793-1988

PDF similar to GB/T 8793-2008


Standard similar to GB/T 8793-2008

GB/T 11539   GB/T 11540   GB/T 14454.1   GB/T 45139   GB 1886.38   GB 1886.35   

Basic data

Standard ID GB/T 8793-2008 (GB/T8793-2008)
Description (Translated English) Oil of cedarwood, Chinese Guizhou type
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y41
Classification of International Standard 71.100.60
Word Count Estimation 8,896
Date of Issue 2008-08-28
Date of Implementation 2009-01-01
Older Standard (superseded by this standard) GB/T 8793-1988
Adopted Standard ISO 9843-2002, MOD
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 requirements for China's Guizhou Kashiwagi (refined) oil, test methods, inspection rules and signs, packaging, transport, storage and shelf life. This standard applies to China's Guizhou cedar (Cupressus funebris Endlicher) (refined) oil.

GB/T 8793-2008: Oil of cedarwood, Chinese Guizhou type

---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.
Oil of cedarwood, Chinese Guizhou type ICS 71.100.60 Y41 National Standards of People's Republic of China Replacing GB/T 8793-1988 China Guizhou Kashiwagi (refined) oil (ISO 9843.2002, Oilofcedarwood, Chinesetype, MOD) Posted 2008-08-28 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 9843.2002 "Chinese cedar oil." And ISO 9843.2002 as compared to the main technical differences are as follows. --- Remove the ISO 9843.2002 sampling methods; --- Test Methods "Common test methods for spices of" national standards; --- ISO 9843.2002 in the definition of Chinese cedar oil is limited to "essential oil obtained from the Kashiwagi," and this standard of China Guizhou Define Kashiwagi (refined) oil is limited to "extract from the root of China Guizhou cedar oil"; --- ISO 9843.2002 provisions in color was "almost colorless to pale yellow", the color of the standard provisions like the "pale yellow to yellow"; --- ISO 9843.2002 specified in flower arborvitae ethylene content of 1% to 3%, the present standard of 1% to 6%; --- The ISO 9843. 4.8 Content of this standard 2002 as Annex B (informative); --- Increased inspection rules; --- For signs, packaging, transportation, storage and shelf life of the contents of specific provisions. This standard replaces GB/T 8793-1988 "China's Guizhou cedar oil." This standard and GB/T 8793-1988 compared to the main changes are as follows. Determination of content --- Kashiwagi brain by area normalization method instead of the internal standard method; --- Added Appendix B representative and characteristic component content range. This standard Annex A, Annex B is informative appendix. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of Fragrance Flavor and Cosmetic. This standard was drafted. Shanghai Institute of Spices. The main drafters of this standard. Du Shixiang, Jinqi Zhang, Xu Yi, Cao Yi. This standard replaces the standards previously issued as follows. --- GB/T 8793-1988. China Guizhou Kashiwagi (refined) oil

1 Scope

This standard specifies the requirements for China Guizhou Kashiwagi (refined) oil, test methods, inspection rules and signs, packaging, transportation, storage and shelf life.

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 11538-2006 oils by capillary column gas chromatography - General method (ISO 7609. 1985, IDT) GB/T 11540 Determination of relative density of spices (GB/T 11540-2008, ISO 279.1998, MOD) GB/T 14454.2 spice aroma evaluation method GB/T 14454.4 spices refractive index measurement (GB/T 14454.4-2008, ISO 280.1998, MOD) GB/T 14454.5 Determination of spices optical rotation (GB/T 14454.5-2008, ISO 592.1998, MOD) GB/T 14455.3 spices dissolved in ethanol (mixed) to assess the degree (GB/T 14455.3-2008, ISO 875.1999, MOD)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Workers prepared.

4 Requirements

4.1 Appearance. light yellow to yellow clear liquid. 4.2 Aroma. characteristic woody. 4.3 Relative density (20 ℃/20 ℃). 0.938 ~ 0.960. 4.4 Refractive index (20 ℃). 1.5000 ~ 1.5080. 4.5 Optical rotation (20 ℃). - 35 ° ~ -20 °. 4.6 miscibility (20 ℃). 1 volume of the sample soluble in 5 volumes of 95% (volume fraction) ethanol as a clear solution. 4.7 Kashiwagi brain content (GC). ≥10.0%.

5 Test methods

5.1 Verification of Appearance The sample is placed in color than the inner tube, were visually observed. 5.2 Evaluation aroma According to the provisions of GB/T 14454.2 of. 5.3 Determination of relative density According to GB/T 11540 regulations.

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