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Anhydrous hydrogen fluoride prepared by recycling fluosilicic acid
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Basic data
| Standard ID | GB/T 33337-2016 (GB/T33337-2016) |
| Description (Translated English) | Anhydrous hydrogen fluoride prepared by recycling fluosilicic acid |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | G11 |
| Classification of International Standard | 71.060.30 |
| Word Count Estimation | 10,154 |
| Date of Issue | 2016-12-13 |
| Date of Implementation | 2017-07-01 |
| Regulation (derived from) | National Standard Notice No.202 of 2016 |
| 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 |
GB/T 33337-2016: Anhydrous hydrogen fluoride prepared by recycling fluosilicic acid
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Anhydrous hydrogen fluoride prepared by recycling fluosilicic acid
ICS 71.060.30
G11
National Standards of People's Republic of China
Fluorosilicic acid recovery method anhydrous hydrogen fluoride
2016-12-13 released
2017-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Petroleum and Chemical Industry Association.
This standard is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63).
The drafting unit of this standard. Guizhou Wengfu Blue Sky Fluorine Chemical Co., Ltd., Guizhou Province Product Quality Supervision and Inspection Institute, Wengfu (Group)
Limited liability company, CNOOC Tianjin Chemical Research and Design Institute.
The main drafters of this standard. Zhong Hongbo, Zhang Rui, Feng Yongyu, Liu Songlin, Gong Ning, Zeng Xiangming, Chen Quan, Cheng Huapeng, Chen Wei, Ma Hui, Wu Changwei,
Wang Qi.
Fluorosilicic acid recovery method anhydrous hydrogen fluoride
Caution - The samples taken in this test method and the part of the reagents used are toxic and corrosive and the operator must be careful
Such as splashing on the skin should be immediately rinse with water, severe should be treated immediately.
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules, marking, labeling, packaging, and inspection of anhydrous hydrogen fluoride for fluorosilicic acid recovery.
Transport, storage and safety.
This standard is applicable to anhydrous hydrogen fluoride prepared by fluorosilicic acid recovery. The product is mainly used for the preparation of electronic grade hydrofluoric acid, fluoride, fluoride
Halogenated hydrocarbons and reagents hydrofluoric acid and other fluorine products.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB 190 Dangerous Goods Packaging Mark
GB/T 191 packaging and storage icon
GB/T 6682 Analytical laboratory water specifications and test methods
GB 7746-2011 Industrial anhydrous hydrogen fluoride
Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170
HG/T 3696.1 Preparation of standard solutions, preparations and preparations for the chemical analysis of inorganic chemical products - Part 1. Standard titration solution
Preparation of liquid
HG/T 3696.2 Preparation of standard solutions, preparations and preparations for the chemical analysis of inorganic chemical products - Part 2. Impurities standard
Preparation of liquid
HG/T 3696.3 Preparation of standard solutions, preparations and preparations for chemical analysis of inorganic chemical products - Part 3. Preparations and preparations
Of the preparation
Cylinder safety supervision requirements of the State Administration of Quality Supervision, Inspection and Quarantine, No. 46,.2003
3 molecular formula and relative molecular mass
Molecular formula. HF
Relative molecular mass. 20.01 (according to.2013 International relative atomic mass)
4 classification
Fluorosilicic acid recovery method There are two types of anhydrous hydrogen fluoride.
- Class I for the production of electronic grade hydrofluoric acid raw materials;
Class Ⅱ is mainly used for the preparation of fluoride, fluorohalane and reagents hydrofluoric acid and other fluorine products.
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