YS/T 546-2021High purity lithium carbonate (English PDF)

Foreword

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 carbonate

1 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 goods

3 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

6 Test methods

7 Inspection rules

10 pieces to 20 pieces. Choose any 4 pieces when it is more than 20 pieces.

8 Marking, packaging, transportation, storage and accompanying documents

9 Order sheet content

The order sheet (or contract) for the products listed in this document shall include the

following content.

......