GB/T 44762-2024Lanthanum chloride (English PDF)
氯化镧
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 26, 2024
Implementation date
May 1, 2025
Scope
GB/T 44762-2024 is the English-translated version of 氯化镧.
GB/T 44762-2024 is the Chinese national standard covering the lanthanum chloride made by the chemical route for petroleum cracking and automotive exhaust catalysts and for the making of other lanthanum compounds — the nine grades, six solid and three liquid, and the naming rule that reads purity out of a mark such as LaCl3-4NA, the technical requirements, the test methods, the inspection rules, and the marking, packaging, transport, storage and accompanying documents that follow a batch. First edition, in force from 1 May 2025. Issued on 26 October 2024, it has been in force since 1 May 2025.
Document preview — GB/T 44762-2024
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 65
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Categories
- 4.1 Product classification and brand
- 4.2 Product brand naming rules
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 for standardization documents" Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed and coordinated by the National Rare Earth Standardization Technical Committee (SAC/TC 229).
This document was drafted by: Sichuan Leshan Ruifeng Metallurgical Co., Ltd., China Northern Rare Earth (Group) High-Tech Co., Ltd., Yiyang Hongyuan Rare Earth Co., Ltd., Tianjin Baotou Steel Rare Earth Research Institute Co., Ltd., China Southern Rare Earth Group Co., Ltd., Baotou Hua Mei Rare Earth Hi-Tech Co., Ltd., Qiandong Rare Earth Group Co., Ltd., Ganzhou Zhanhai New Materials Technology Co., Ltd., Baotou Jingrui New Materials Co., Ltd., Baotou Rare Earth Research Institute, Ruike Rare Earth Metallurgy and Functional Materials National Engineering Research Center Co., Ltd., Guorui Kechuang Rare Earth Functional Materials (Ganzhou) Co., Ltd., China Rare Earth (Liangshan) Co., Ltd., Jiangxi Golden Century New Materials Co., Ltd., and Youyan Rare Earth New Materials Materials Co., Ltd., Inner Mongolia Baotou Steel Rare Earth International Trade Co., Ltd.
The main drafters of this document are: Feng Xinrui, Xu Siyu, Li Tingting, Sun Xiang, Liu Wei, Zhang Ruisen, Wu Yuchun, Xu Guohua, Yao Nanhong, Gao Liang, Zhang Ruixiang, Cui Jianguo, Zhang Shengqiang, Liu Weizhen, Luo Zulong, Liu Jiangang, Xu Huibing, and Gao Xiaohui. Lanthanum chloride
1 Scope
This document specifies the classification, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation, storage and accompanying materials of lanthanum chloride. Document requirements.
This document applies to lanthanum chloride obtained by chemical method, which is used to prepare petroleum cracking catalysts, automobile exhaust catalysts, new environmentally friendly materials and Other lanthanum compounds, etc.
2 Normative references
GB/T 6682
GB/T 8170
GB/T 14635
GB/T 16484
GB/T 18115.1
GB 39176
JJG 119-2018
3 Terms and Definitions
There are no terms or definitions that require definition in this document.
4 Categories
4.1 Product classification and brand
The product is available in two forms. solid and liquid. Solid products are divided into LaCl3﹘4NA, LaCl3﹘4NB, LaCl3﹘3NA, There are six brands of LaCl 3﹘3NB, LaCl 3﹘2N5A, and LaCl 3﹘2N5B; liquid products are divided into LaCl3﹘4N (L), There are three brands. LaCl3﹘3N(L), LaCl3﹘2N5(L).
4.2 Product brand naming rules
Lanthanum chloride grades are divided into three levels. The first level represents the product lanthanum chloride, which is represented by the chemical formula "LaCl3"; the second level The product specifications are represented by 4N, 3N, and 2N5, respectively, indicating the relative purity of lanthanum chloride, and A and B are used to distinguish solid chlorides of the same relative purity.
The third level distinguishes the solid and liquid forms of the product. (L) indicates liquid products, and no mark indicates solid products. Body products.
The specific representation method is as follows.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 6682Water for analytical laboratory use - Specification and test methods
- GB/T 8170Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 14635Rare earth metals and their compounds - Determination of total rare earth content
- GB/T 18115.1Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and ytt
- GB 39176Rare earth products packing, marking, transport and storage
GB/T 16484 · JJG 119-2018
Editions of GB/T 44762
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 44762-2024 | Lanthanum chloride | current edition | Current |
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Related Standards
GB 39176-2020 — Rare earth products packing, marking, transport and storage
GB/T 14635-2020 — Rare earth metals and their compounds - Determination of total rare earth content
GB/T 16484.1-2009 — Chemical analysis methods for rare earth chloride and light rare earth carbonate - Part 1: Determination of the cerium oxide content - Ammonium ferrous sulfate titrimetry
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