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GB/T 18994-2014 English PDF

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Upon your order, we will start to translate GB/T 18994-2014_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.

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Q: Should I purchase the latest version GB/T 18994-2014?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18994-2014 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$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

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 18994-2014	209	Add to Cart	3 days	Gases for electronic industry -- High purity chlorine	Valid
GB/T 18994-2003	359	Add to Cart	3 days	Gases for electronic industry -- High purity chlorine	Obsolete

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Basic data

Standard 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Older Standard (superseded by this standard): GB/T 18994-2003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

Foreword

This 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 gas

1 Scope

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 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 references

The 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 requirements

Technical 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 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 18994-2014_English be delivered?

Answer: Upon your order, we will start to translate GB/T 18994-2014_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 18994-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 18994-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 18994-2014?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18994-2014 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.