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GB/T 26251-2010 English PDF

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GB/T 26251-2010: Fluorine and mixed gases of fluorine-nitrogen
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PDF similar to GB/T 26251-2010


Standard similar to GB/T 26251-2010

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Basic data

Standard ID GB/T 26251-2010 (GB/T26251-2010)
Description (Translated English) Fluorine and mixed gases of fluorine-nitrogen
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G86
Classification of International Standard 71.100.20
Word Count Estimation 10,127
Date of Issue 2011-01-14
Date of Implementation 2011-05-01
Quoted Standard GB 190; GB/T 3723; GB 5099; GB 7144; GB/T 8979; GB/T 11640; GB 14194; GB/T 26571; " Gas Cylinder Safety Supervision " State Administration of Quality Supervision, Inspection and Quarantine issued in 2000
Regulation (derived from) National Standard Approval Announcement 2011 No.16
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 nitrogen fluoride and fluorine gas mixture, test methods and packaging, signs, storage and safety requirements. This standard applies to the electrolysis of anhydrous hydrogen fluoride and fluoride treatment process after purification obtained. Fluoride used in the preparation of uranium hexafluoride, sulfur hexafluoride, boron trifluoride, two silver fluoride, cobalt trifluoride trifluoride and magnesium fluoride, can also be used in the field of laser gas or fluorinated plastics processing. Fluorine pressure nitrogen gas mixture was prepared using the method. Mixed gas is mainly used for automobile, fluorinated materials in the pharmaceutical industry.

GB/T 26251-2010: Fluorine and mixed gases of fluorine-nitrogen

---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.
Fluorine and mixed gases of fluorine-nitrogen ICS 71.100.20 G86 National Standards of People's Republic of China Fluorine and fluorine-nitrogen gas mixture Issued on. 2011-01-14 2011-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is a normative appendix. The standard equipment by the National Standardization Technical Committee and the semiconductor material (SAC/TC203) proposed. This standard by the National Technical Committee on Semiconductor Equipment and Materials Gas Technical Committee (SAC/TC203) centralized. This standard was drafted. Nuclear Honghua Specialty Gases Ltd., Shanghai, love Chromatography Technology Co., Ltd. Shandong Rui Hua fluorine Co., Ltd., Nuclear Research Institute of Physical and Chemical Engineering Industry, Southwest Chemical Industry Research and Design Institute. The main drafters of this standard. Du Weihua, He Guowu, Lijian Hao, Li Chunxiao, Ni Zhiqiang, Deng Jianping, Zhou Pengyun. Fluorine and fluorine-nitrogen gas mixture

1 Scope

This standard specifies the technical requirements of fluorine and fluorine-nitrogen gas mixture, test methods and packaging, labeling, storage and security requirements. This standard applies to the electrolysis of anhydrous hydrogen fluoride and fluorine treatment process after purification obtained. Fluoro for the preparation of uranium hexafluoride, sulfur hexafluoride, Boron trifluoride, silver difluoride, cobalt trifluoride trifluoride and magnesium fluoride, it can also be used in the field of a laser gas or fluorinated plastics processing. Fluorine-nitrogen mixture was prepared using the pressure method. Mixed gas is mainly used in the automotive, pharmaceutical industry fluorinated material. Fluoride formula. F2. Relative molecular mass of fluorine. 37.9968064 (according to 2007 international relative atomic mass calculation).

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 3723 Sampling of chemical products for industrial use General Safety GB 5099 seamless steel gas cylinders GB 7144 cylinders color logo GB/T 8979 nitrogen, high purity nitrogen and ultra pure nitrogen GB/T 11640 seamless aluminum alloy gas cylinders GB 14194 permanent gas cylinders GB/T 26571 Specification of special gas storage "Gas Cylinder Safety Supervision" (State Administration of Quality Supervision, Inspection and Quarantine released, 2000)

3 Technical requirements

3.1 technical requirements should be consistent with the provisions of fluorine in Table 1. Table 1-fluoro technical indicators Item Index Fluorine (F2) purity (volume fraction)/10-2 ≥ 99.0 Oxygen (O2) + nitrogen (N2) content (volume fraction)/10-2 ≤ 0.45 Carbon tetrafluoride (CF4) content (volume fraction)/10-2 ≤ 0.05 Hydrogen fluoride (HF) content (volume fraction)/10-2 ≤ 0.50 3.2 Technical Requirements fluorine nitrogen mixed gas shall meet the requirements of Table 2. Technical indicators Table 2-fluoro-nitrogen gas mixture Item Index Fluorine (F2) content (volume fraction)/10-220 Nitrogen (N2) content (volume fraction)/10-280

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