GB/T 4117-2008 English PDFUS$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 4117-2008: Methylene chloride for industrial use Status: Valid GB/T 4117: Historical versions
Basic dataStandard ID: GB/T 4117-2008 (GB/T4117-2008)Description (Translated English): Methylene chloride for industrial use Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G17 Classification of International Standard: 71.080.15 Word Count Estimation: 7,716 Date of Issue: 2008-04-01 Date of Implementation: 2008-09-01 Older Standard (superseded by this standard): GB/T 4117-1992; GB/T 4120.3-1992; GB/T 4120.5-1992; GB/T 4120.6-1992 Quoted Standard: GB 190-1990; GB/T 191-2000; GB/T 601; GB/T 603; GB/T 1250 Regulation (derived from): National Standard Approval Announcement 2008 No.5 (Total No.118) 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 industrial use methylene chloride, test methods, inspection rules, signs, packaging, transport, storage, safety. This standard applies to the production of methanol and hydrogen chloride process methylene chloride production, inspection and sales. The products are mainly used in solvent, extraction agent, cleaning agent, blowing agents, mold release agents, and for the production of Difluoromethane raw materials and pharmaceutical industries. GB/T 4117-2008: Methylene chloride for industrial use---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.Methylene chloride for industrial use ICS 71.080.15 G17 National Standards of People's Republic of China Replacing GB/T 4117-1992, GB/T 4120.3-1992, GB/T 4120.5 ~ 4120.6-1992 Industrial dichloromethane Posted 2008-04-01 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard replaces GB/T 4117-1992 "Industrial methylene chloride", GB/T 4120.3-1992 "industrial liquid chlorinated methane products Determination of acidity titration method ", GB/T 4120.5-1992" Industrial Liquid chlorinated methanes trace water cloud point measurement method "and GB/T 4120.6-1992 "industrial liquid chlorinated methane products packaging, labeling, storage, transport and inspection rules." This standard compared with GB/T 4117-1992 The main changes are as follows. --- By the scope "This standard applies to natural gas heat and light chlorination chlorination of methylene chloride" to "This standard applies to methanol Hydrogen chloride process in dichloromethane "(GB/T 4117-1992 Chapter 1, Chapter 1 of this edition); --- Technical requirements for Excellence in methylene chloride mass fraction ≥99.5% by the index revised to ≥99.90%, from the first-class goods index ≥99.0% revised to ≥99.50%, qualified products ≥98.0% by the index revised to ≥99.20%; moisture index for Excellence by the ≤0.040% revised to ≤0.010%, from the first-class goods index ≤0.050% revised to ≤0.020%, qualified for the index ≤0.060% revised to ≤0.030%; acidity of first-class goods index by the ≤0.0008% revised to ≤0.0004%, qualified product index By the ≤0.0010% revised to ≤0.0008%; evaporation residue from the first-class goods index ≤0.0010% revised to ≤0.0005%, Qualified indicators by the ≤0.0030% revised to ≤0.0010% (GB/T 4117-1992 3.2, this version 3.2); --- Test method to measure the purity of references GB/T 21541-2008 "industrial use - Determination of chlorinated methane gas purity products Chromatography. " Determination of Water canceled cloud point, increasing the Karl Fischer Coulomb law and the provisions of Karl Fischer Coulomb Law arbitration law; to increase the appearance test method (GB/T 4117-1992 Chapter 4, Chapter 4 of this edition); --- Inspection rules and signs, packaging, storage and transport is divided into two chapters to write (GB/T 4117-1992 Chapter 5, the 5th edition , Chapter 6); --- Added "drugs" signs (see 6.1); --- Added "Security" chapter (see Chapter 7). Please note that some of the content of this standard may involve patents. The standard release mechanism should not bear the responsibility to identify these patents. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee branch of organic chemistry (SAC/TC63/SC2) centralized. This standard was drafted. Zhejiang Quzhou of fluorine chemistry Co., Haohua Southwest Chemical Industry Co., Ltd. Participated in the drafting of this standard. Shandong Dongyue Fluorine Silicone Materials Co., Ltd., Shandong Jinling Chemical Co., Ltd. The main drafters of this standard. Liu Hongxiu, Chenke Feng, Tang Yueming, Zhang and Wang Mi, Chen Caiqin, Tanxian Wen. GB/T 4117, GB/T 4120.3, GB/T 4120.5, GB/T 4120.6 first released in 1983 and 1992 for the first time Amendments. Industrial dichloromethane1 ScopeThis standard specifies the requirements for industrial use methylene chloride, test methods, inspection rules, marking, packaging, transportation, storage and security. This standard applies to the production of methanol and hydrogen chloride process methylene chloride production, testing and marketing. The products are mainly used in solvent extraction Cleaning agents, blowing agents, mold release agents, and for the production of difluoromethane (HFC-32) and the pharmaceutical industry raw materials. Molecular formula. CH2Cl2. Molecular Weight. 84.932 (according to 2005 international relative atomic mass).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 190-1990 dangerous goods packaging logo GB/T 191-2000 Packaging - Pictorial signs Preparation of GB/T 601 chemical reagent standard titration solution GB/T 603 chemical reagent in test methods - Preparations with (ISO 6353-1. 1982, NEQ) Represents GB/T 1250 limit values \u200b\u200band the method of determining GB/T 3143-1982 Determination of color liquid chemicals (Hazen unit --- platinum - cobalt color number) GB/T 6283-1986 Determination of moisture content of chemical products Karl Fischer method (General method) GB/T 6324.2-2004 organic chemical products - Test methods - Part 2. Volatile organic liquid water bath dry residue after evaporation Determination (ISO 759. 1981, MOD) GB/T 6678-2003 General Principles for Sampling Chemical Products GB/T 6680-2003 General rules for sampling liquid chemical products Laboratory use specifications and test methods (. 1987 eqv ISO 3696) GB/T 6682-1992 Analysis GB/T 21541-2008 industrial chlorinated methane product purity determined by gas chromatography3 Requirements3.1 Appearance. colorless clear, no suspension, no liquid mechanical impurities. 3.2 Industrial quality dichloromethane shall comply with the technical requirements in Table 1 below. Table 1 Technical Requirements project index Premium grade First grade Qualified Methylene chloride mass fraction a /% ≥ 99.90 99.50 99.20 Water mass fraction /% ≤ 0.010 0.020 0.030 Acid (based on HCl) mass fraction /% ≤ 0.0004 0.0008 Chroma/Hazen units (Pt-Co color number) ≤ 10 Evaporation residue mass fraction /% ≤ 0.0005 0.0010 Amount of stabilizer added is not included in a methylene chloride content. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 4117-2008_English be delivered?Answer: Upon your order, we will start to translate GB/T 4117-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 4117-2008_English with my colleagues?Answer: Yes. 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