YS/T 546-2021 PDF English
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YS/T 546: Historical versions
| Standard ID | USD | BUY PDF | Delivery | Standard Title (Description) | Status |
| YS/T 546-2021 | 155 | Add to Cart | Auto, 9 seconds. | High purity lithium carbonate | Valid |
| YS/T 546-2008 | 90 | Add to Cart | Auto, 9 seconds. | High purity lithium carbonate | Obsolete |
| YS/T 546-2006 | 199 | Add to Cart | 2 days | High purity lithium carbonate | Obsolete |
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YS/T 546-2021: High purity lithium carbonate
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YST546-2021YS NONFERROUS INDUSTRY STANDARD ICS 77.120.99 CCS H 64 Replacing YS/T 546-2008 High purity lithium carbonate Issued on. DECEMBER 02, 2021 Implemented on. APRIL 01, 2022 Issued by. Ministry of Industry and Information Technology of the People's Republic of China.
Table of Contents
Foreword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 5 4 Product classification... 5 5 Technical requirements... 5 6 Test methods... 6 7 Inspection rules... 7 8 Marking, packaging, transportation, storage and accompanying documents... 8 9 Order sheet content... 9Foreword
This document was drafted in accordance with the rules given in GB/T 1.1-2020 "Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents". This document replaces YS/T 546-2008 "High purity lithium carbonate". Compared with YS/T 546-2008, in addition to the structural adjustments and editorial modifications, the main technical changes in this document are as follows. a) In the scope of application, add high purity lithium carbonate produced using lithium carbonate as raw material (see Chapter 1 of this Edition). Delete product use (see Chapter 1 of Edition 2008); b) Delete designation Li2CO3-045 (see 3.1, 3.2 of Edition 2008). Add designation Li2CO3-03 (see Chapter 4 of this Edition); c) Delete F- in Li2CO3-04 (see 3.2 of Edition 2008). Add and Cl- in Li2CO3- 04 and the main content calculation methods (see 5.1 of this Edition); d) Add particle size test sample size (see 6.2 of this Edition); e) Change the product batching (see 7.2 of this Edition; 5.2 of Edition 2008). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority shall not be held responsible for identifying any or all such patent rights. This document was proposed by and shall be under the jurisdiction of National Technical Committee on Nonferrous Metals of Standardization Administration of China (SAC/TC 243). The drafting organizations of this document. Xinjiang Nonferrous Metals Research Institute, Jiangxi Ganfeng Lithium Industry Co., Ltd., Jiangxi Lithium Battery Product Quality Supervision and Inspection Center, Jiangsu Ronghui General Cone Industry Co., Ltd., Chengdu Kaifei High Energy Chemical Industry Co., Ltd., Jiangxi Dongpeng New Materials Co., Ltd. The company, Guangdong Bangpu Recycling Technology Co., Ltd., Xinjiang Uygur Autonomous Region Analysis and Testing Research Institute, Yahua Lithium Industry (Ya'an) Co., Ltd., Tianqi Lithium Industry Co., Ltd., and Sichuan Zhiyuan Lithium Industry Co., Ltd. Main drafters of this document. Wu Jianjiang, Zhi Hongjun, Li Qiang, Guan Yuzhen, Zhou Zinan, Sun Zhe, Peng Qiuhua, Yu Jun, Cai Rongfu, Yu Haijun, Zhao Lintong, Meng Yan, Zhang Bingyuan, Mi Yongqiang. Versions of standard substituted by this document are. - GB/T 10576-1989 that was first issued in 1989.YS/T 546-2006 that was first revised in 2006.The second revision was in 2008; - This is the third revision. High purity lithium carbonate1 Scope
This document specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents and order sheet content of high purity lithium carbonate. This document applies to high purity lithium carbonate produced by carbonate or carbon dioxide precipitation methods using refined lithium hydroxide monohydrate as raw material. It is also suitable for high purity lithium carbonate produced by using lithium carbonate as raw material and using thermal decomposition process after hydrogenation.2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191, Packaging -- Pictorial marking for handling of goods3 Terms and definitions
There are no terms or definitions to be defined in this document.4 Product classification
High purity lithium carbonate is divided into three designations according to its chemical composition.5 Technical requirements
5.1 Chemical composition The chemical composition of the product shall comply with the requirements in Table 1. 5.3 Appearance quality The product is in powder form and white. There shall be no visible inclusions.6 Test methods
6.1 The chemical composition analysis shall be carried out according to the supplier's current method. The arbitration analysis shall be carried out according to the method approved by both the supplier and the purchaser. 6.3 Appearance quality is visually inspected.7 Inspection rules
7.1 Inspection and acceptance 7.1.1 Products are inspected by the supplier or a third party to ensure that product quality complies with the provisions of this document and the order sheet. 7.2 Batching Products shall be submitted for acceptance in batches. Each batch shall consist of the same designation of mixing materials. The weight of each batch shall not exceed 5000 kg. 7.3 Sampling 7.3.1 Take any 1 piece when it is within 10 pieces. Take any 2 pieces when it is between 10 pieces to 20 pieces. Choose any 4 pieces when it is more than 20 pieces. 7.4 Inspection result judgment 7.4.1 When the chemical composition test results of a product are unqualified, double samples will be taken from the same batch of products and reinspection will be conducted on the unqualified items. If there is still one unqualified inspection result, the batch of products will be deemed unqualified.8 Marking, packaging, transportation, storage and accompanying documents
8.1 Marking Product packaging shall indicate. 8.2 Packaging 8.3 Transportation Products shall be protected from moisture and contact with acidic atmosphere during transportation. 8.4 Storage The product shall be stored in a dry and non-corrosive atmosphere. 8.5 Accompanying documents Each batch of products shall be accompanied by accompanying documents, which shall include, in addition to supplier information, product information, this document number, exit-factory date or packaging date, the followings.9 Order sheet content
The order sheet (or contract) for the products listed in this document shall include the following content. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
