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GB/T 21287-2021 English PDF

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Upon your order, we will start to translate GB/T 21287-2021_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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Yes. The purchased PDF of GB/T 21287-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

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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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

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Q: Should I purchase the latest version GB/T 21287-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21287-2021 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$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21287-2021: Electronic specialty gas - Nitrogen trifluoride
Status: Valid

GB/T 21287: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21287-2021	229	Add to Cart	3 days	Electronic specialty gas - Nitrogen trifluoride	Valid
GB/T 21287-2007	719	Add to Cart	3 days	Gases for electronic industry -- Nitrogen trifluoride	Obsolete

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Basic data

Standard ID: GB/T 21287-2021 (GB/T21287-2021)
Description (Translated English): Electronic specialty gas - Nitrogen trifluoride
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G86
Word Count Estimation: 12,150
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 21287-2021: Electronic specialty gas - Nitrogen trifluoride

---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.
Electronic specialty gas - Nitrogen trifluoride ICS 71.100.20 CCSG86 National Standards of People's Republic of China Replace GB/T 21287-2007 Electronic special gas nitrogen trifluoride Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 21287-2007 "Gas Nitrogen Trifluoride for the Electronic Industry". Compared with GB/T 21287-2007, this document is In addition to structural adjustments and editorial changes, the main technical changes are as follows. ---Changed the technical requirements that nitrogen trifluoride should meet (see Chapter 4, Chapter 3 of the.2007 edition); --- The requirements for sampling, determination and re-inspection have been changed (see 5.1, 4.1 in the.2007 edition); ---The sampling requirements are changed (see 5.2, 4.1.6 of the.2007 edition); ---Added the requirements for exhaust gas treatment (see 5.3); ---Added the general provisions of the test method (see 6.1); ---Changed the purity calculation method (see 6.2, 4.2 of the.2007 edition); ---Changed the determination method of oxygen, argon, nitrogen, carbon monoxide, carbon dioxide, carbon tetrafluoride, nitrous oxide, sulfur hexafluoride content (see 6.3, 4.3 and 4.4 of the.2007 edition); ---The method for determining moisture content has been changed (see 6.4, 4.6 of the.2007 edition); ---The determination method of hydrolyzable fluoride has been changed (see 6.5, 4.5 in.2007 edition); --- Changed the logo, packaging, transportation and storage (see Chapter 7, Chapter 5 of the.2007 edition); --- Changed the safety information (see 7.3, Appendix D of the.2007 edition). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed and managed by the National Semiconductor Equipment and Material Standardization Technical Committee (SAC/TC203). Drafting organizations of this document. Haohua Gas Co., Ltd., China Shipbuilding Industry Corporation (Handan) Perui Special Gas Co., Ltd., Southwest Chemical Research and Design Institute Co., Ltd., Guangdong Huate Gas Co., Ltd., Tianjin Luling Gas Co., Ltd., Fujian Jiuce Gas Co., Ltd., Haining City Yingdesai Electronics Co., Ltd., Jiangxi Huate Electronic Chemical Co., Ltd., Zhejiang Research Institute of Chemical Industry Co., Ltd., Haohua Gas Co., Ltd. Southwest Branch, Suzhou Jinhong Gas Co., Ltd., Hangzhou Consumer Rights Protection Committee Secretariat (Hangzhou National Electronic Commerce Industry Quality Monitoring and Disposal Center), Shanghai Shennan Special Gas Co., Ltd., Shanghai Huaai Chromatographic Analysis Technology Co., Ltd., Dalian Date Gas Co., Ltd. Co., Ltd., Shanghai Fanwei Instrument Equipment Co., Ltd., Lianxiong Investment (Shanghai) Co., Ltd., Shenyang Zhongfu Kejin Pressure Vessel Co., Ltd., Zhejiang Dongkai Semiconductor Technology Co., Ltd., Heli Gas (Shanghai) Co., Ltd., Kunming Guangruida Special Gas Co., Ltd., Southwest Chemical Research Institute Research and Design Institute Co., Ltd. Wuhan Branch, Southwest Chemical Research and Design Institute Co., Ltd. Shuangliu Branch. The main drafters of this document. Wang Juan, Fu Mengyue, Wang Shaobo, Meng Xiangjun, Fu Zhuhong, Chen Yanshan, Ma Jianxiu, He Jingyu, Cao Suying, Song Fucai, Su Zijie, Ding Gaosong, Pei Youhong, Wei Jieguang, Shi Wanjun, Zhang Jianjun, Wang Xinxi, Sun Meng, Chu Chunli, Zhang Qiyan, Lu Bowen, Chen Jie, Wu Liang, Fang Hua, Yi Junting, He Bo, Yang Kang, Huang Hui, Gong Bing, Wang Dawei, Yi Dawen, Li Yang, Liang Yongqiang, Liang Chengke, Gao Jing, Ma Changning, Tang Xiamei, Li Guanghui, Zhou Pengyun, Huang Chao. The previous releases of this document and the documents it replaced are as follows. --- First published as GB/T 21287-2007 in.2007; ---This is the first revision. Electronic special gas nitrogen trifluoride

1 Scope

This document specifies the technical requirements, inspection rules, test methods, signs, packaging, transportation and storage and safety information of electronic grade nitrogen trifluoride Requirements. This document is applicable to the preparation and purification of anhydrous hydrogen fluoride and liquid ammonia as raw materials, or the preparation and purification of trifluoride obtained from ammonium bifluoride as raw materials. Nitrogen.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB 190 Dangerous Goods Packaging Mark GB/T 601 Preparation of Standard Titration Solution for Chemical Reagents Preparation of preparations and products used in GB/T 603 chemical reagent test method GB/T 3723 General rules for the sampling safety of industrial chemical products GB/T 5099 (all parts) seamless steel gas cylinders GB/T 5832.3 Determination of trace moisture in gases Part 3.Cavity ring-down spectroscopy GB/T 6682 Analytical laboratory water specifications and test methods GB/T 7144 Gas cylinder color mark GB/T 14193 Liquefied Gas Cylinder Filling Regulations GB 15258 Regulations for the preparation of chemical safety labels GB/T 16804 Gas cylinder warning label GB/T 28726 Gas Analysis Helium Ionization Gas Chromatography GB/T 33145 Large-volume steel seamless gas cylinder TSGR0005 Safety Technical Supervision Regulations for Mobile Pressure Vessels TSG07 Licensing Rules for Special Equipment Production and Filling Units TSG23 Gas Cylinder Safety Technical Regulations

3 Terms and definitions

There are no terms and definitions that need to be defined in this document.

4 Technical requirements

The technical requirements of nitrogen trifluoride should meet the requirements of Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21287-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21287-2021_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 21287-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21287-2021_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 21287-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21287-2021 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.