GB/T 18994-2014 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 18994-2014: Gases for electronic industry -- High purity chlorine Status: Valid GB/T 18994: Historical versions
Basic dataStandard ID: GB/T 18994-2014 (GB/T18994-2014)Description (Translated English): Gases for electronic industry -- High purity chlorine Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G86 Classification of International Standard: 71.100.20 Word Count Estimation: 9,956 Date of Issue: 12/12/2014 Date of Implementation: 7/1/2015 Older Standard (superseded by this standard): GB/T 18994-2003 Quoted Standard: GB 190; GB/T 3723; GB 5099; GB/T 5832.3; GB 7144; GB 11984; GB 14193; GB 15258; GB 16804; GB/T 26571; GB/T 28726-2012 Regulation (derived from): National Standards Bulletin 2014 No. 30 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 for high-purity chlorine, test methods, inspection rules, packaging, labeling, transportation and storage. This standard applies to industrial liquid chlorine as raw material by physical adsorption proces GB/T 18994-2014: Gases for electronic industry -- High purity chlorine---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.Gases for electronic industry - High purity chlorine ICS 71.100.20 G86 National Standards of People's Republic of China Replacing GB/T 18994-2003 Electronics industry with high-purity chlorine gas Issued on. 2014-12-22 2015-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 18994-2003 "electronic industrial gas purity chlorine." Compared with GB/T 18994-2003, in addition to editing Modifications outside the main technical changes as follows. --- Modify the scope (see Chapter 1, Chapter 1 of the 2003 edition); --- Modify the normative references (see Chapter 2, Section 2 of the 2003 edition); --- Revised technical requirements (see Chapter 3, 2003 edition of Chapter 3); --- Modify the sample is determined (see 41, Chapter 5 of the 2003 edition.); --- Deleting provisions (2003 edition 4.1) sampling device; --- Modified oxygen, nitrogen, carbon monoxide, carbon dioxide, hydrocarbon content determination method (see 43, 2003 edition of the 4.3, 4.4.); --- Increased the determination of the hydrogen content (see 4.3); --- Modify the determination of moisture content (see 44, 2003 version 4.5.); --- Increased the determination of metal element content (see 4.5); --- Modify the logo, packaging, storage and security (see Chapter 5, Section 6 and 7 of the 2003 edition). The standard equipment by the National Standardization Technical Committee and the semiconductor material (SAC/TC203) and focal points. This standard was drafted. Southwest Chemical Industry Research and Design Institute Co., Ltd. Guangming Chemical Research and Design Institute, Foshan City, Walter Gas Ltd., Shanghai, love Chromatography Technology Co., Ltd., Tai gas (Jingzhou) Co., Ltd., Shanghai-UNITA Technology Co., Ltd. The main drafters of this standard. Zhoupeng Yun, Chang Xia, Liu Heng Yi, Fang Hua, Liu Xinming, Wang Zhenghong, Yang Ren. This standard replaces the standards previously issued as follows. --- GB/T 18994-2003. Electronics industry with high-purity chlorine gas1 ScopeThis standard specifies the technical requirements for high-purity chlorine, test methods, inspection rules, packaging, labeling, transportation and storage. This standard applies to industrial liquid chlorine as raw material by physical adsorption processes to produce high-purity chlorine products. The products are mainly used for large-scale Field-scale integrated circuit technology, fiber optics, high temperature superconductivity, flat panel displays, solar energy. Molecular formula. Cl2. Molecular Weight. 70.90 (according to 2009 international relative atomic mass calculation).2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 190 packaging and marking of dangerous goods GB/T 3723 Sampling of chemical products for industrial use General Safety GB 5099 seamless steel gas cylinders 5832.3 gas trace moisture measurement GB/T Part 3. cavity ring-down spectroscopy GB 7144 cylinders color logo GB 11984 Safety rules chlorine GB 14193 Rules for filling of liquefied gas cylinders GB 15258 rules for preparation of chemical safety labels GB 16804 cylinders warning labels GB/T 26571 Specification of special gas storage GB/T 28726-2012 helium ionization gas analysis by gas chromatography Gas Cylinder Safety Supervision (2000 Edition) Dangerous Chemicals Regulations (2002 Edition) Special Equipment Safety Supervision Regulations (2009 Edition)3 Technical requirementsTechnical requirements for high-purity chlorine should meet the requirements of Table 1. Table 1 Technical Specifications Item Index The purity of chlorine (volume fraction)/10-2 ≥ 99.999 99.9995 Hydrogen (H2) content (volume fraction)/10-6 < 0.5 0.5 Oxygen (O2) content (volume fraction)/10-6 < 11 Nitrogen (N2) content (volume fraction)/10-6 < 21 ...... |
