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GB/T 6705-2008 English PDF

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GB/T 6705-2008: Coking phenol
Status: Valid

GB/T 6705: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 6705-2008English169 Add to Cart 3 days [Need to translate] Coking phenol Valid GB/T 6705-2008
GB/T 6705-1989English199 Add to Cart 2 days [Need to translate] Coking phenol Obsolete GB/T 6705-1989

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Basic data

Standard ID GB/T 6705-2008 (GB/T6705-2008)
Description (Translated English) Coking phenol
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G18
Classification of International Standard 71.080
Word Count Estimation 7,762
Date of Issue 2008-05-13
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) GB/T 6705-1989; GB/T 3709-1997
Quoted Standard GB 190; GB/T 1999; GB/T 2288-2008; GB/T 2601; GB/T 3711; GB/T 6706; GB/T 8170
Regulation (derived from) National Standard Approval Announcement 2008 No.8 (Total No.121)
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 technical requirements of phenol, test methods, inspection rules, signs, packaging, transport, storage and safety precautions. This standard applies from coal tar, crude phenol, phenol-containing wastewater system taken, phenol by distillation system.

GB/T 6705-2008: Coking phenol

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Coking phenol ICS 71.080 G18 National Standards of People's Republic of China Replacing GB/T 3709-1997, GB/T 6705-1989 Coking phenol Posted 2008-05-13 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is a repair in GB/T 3709-1997 "Industrial phenol" and GB/T 6705-1989 "coking phenol" on the basis of two criteria Order, the original two standards into a single standard. This standard replaces GB/T 3709-1997 and GB/T 6705-1989. This standard and GB /and GB/T 6705-1989 compared to the main changes in T 3709-1997 as follows. --- Adjust normative references; --- Increased technical requirements for Excellence level; --- With a phenol content index instead of the crystallization point index; --- Increased turbidity method neutral oil index measurement method using JISK2437-1994 modify the neutral oil turbidity assay method; --- Increasing the numerical rounding rules content; --- Increasing the tank car, set the contents of cans packing and shipping. Appendix A of this standard is a normative appendix. The standard proposed by China Iron and Steel Industry Association. This standard is under the jurisdiction of Metallurgical Industry Information Standards Institute. This standard was drafted. Shanghai Baosteel Chemical Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Lijun Hai Tang Zheng, Li Qianyi, Lu Huiping, Yu Jianzeng, Chen, Sun Wei. This standard replaces the standards previously issued as follows. --- GB/T 3709-1983, GB/T 3709-1997; --- GB/T 6705-1986, GB/T 6705-1989. Coking phenol

1 Scope

This standard specifies the technical requirements of phenol, test methods, inspection rules, marking, packaging, transportation, storage and safety precautions. This standard applies from coal tar, crude phenol phenol sewage system taken by phenol distillation system.

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 190 packaging and marking of dangerous goods GB/T 1999 coking products light oil sampling methods GB/T 2288-2008 Determination of Water coking products Gas chromatographic method GB/T 2601 phenol products consisting of GB/T 3711 phenol products neutral oils and pyridine Content Determination Method GB/T 6706 coking phenol Moisture crystallization point of descent GB/T 8170 numerical rounding rules

3 Technical requirements

Coking phenol, phenol industry technical requirements should be consistent with the provisions in Table 1. Table 1 project index Coking phenol Premium grade First grade Qualified Phenol Industry Appearance White or slightly colored crystalline - Moisture (mass fraction) /% ≤ 0.2 0.2 0.3 1.0 Phenol content (mass fraction) /% not less than 99.5 99.0 98.0 80.0 Neutral oil Volumetric method (volume fraction) /% not more than 0.05 0.1 0.1 0.5 Turbidimetric method/not more than # 244-- Pyridine alkali content (W/V) /% is not greater than - - - 0.3 Note. when liquid state is colorless or slightly colored transparent liquid. Test Method 4 4.1 Determination of appearance. The molten sample is poured into the inner diameter of 22mm colorless transparent glass tube, the transmittance of light in the visual color. 4.2 Moisture. coking phenol by GB/T 6706 provisions; the industrial phenol according to GB/T 2288-2008 a distillation method Act get on. 4.3 Determination of phenol content by GB/T 2601 regulations. 4.4 Determination of neutral oil by volume method or turbidity method; event of a dispute with a capacity of law for arbitration. Measured according to the volumetric method

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