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GB/T 43724-2024: Test method for liquid crystal monomers
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GB/T 43724-2024	English	299	Add to Cart	3 days [Need to translate]	Test method for liquid crystal monomers

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GB/T 43724-2024: Test method for liquid crystal monomers

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ICS 31.030 CCSL90 National Standards of People's Republic of China Monomer Liquid Crystal Test Method Released on 2024-03-15 2024-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 2 5 Test Method 2 5.1 Purity 2 5.2 Maximum impurity (gas chromatography or liquid chromatography) 5 5.3 Volatile matter (gas chromatography) 6 5.4 Resistivity 6 5.5 Moisture content 7 5.6 Metal ion concentration 9 6 Test Report 11

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 Technical Committee for Semiconductor Equipment and Materials Standardization (SAC/TC203). This document was drafted by. Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd., Shandong Shenghua New Materials Technology Co., Ltd., Hangzhou Pu Yu Technology Development Co., Ltd., China Electronics Technology Standardization Institute, Beijing Bayi Space LCD Technology Co., Ltd., Jiangsu Hecheng Display Shi Technology Co., Ltd., Jiangsu Guangyu Chemical Co., Ltd., and Shenzhen Lubang Technology Co., Ltd. The main drafters of this document are. Wang Wei, Di Yujing, An Xianfeng, Liu Shijie, Dong Zhaoheng, Wang Kui, Liang Zhian, Yuan Guoliang, Zhao Junsha, Cao Kewei, Wu Yiran, Xing Wenli, Su Xuehui, Ding Wenquan, Wang Lina, Kang Jie, Deng Youjie, Li Xiaochun. Monomer Liquid Crystal Test Method

1 Scope

This document describes the test methods for monomeric liquid crystal purity, maximum impurity, volatile matter, resistivity, moisture content, and metal ion concentration. This document is applicable to the production research and development, inspection and testing, and application verification of monomer liquid crystals.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 602 Preparation of standard solutions for determination of impurities in chemical reagents GB/T 4946 Terminology of Gas Chromatography GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 9008 Terminology of liquid chromatography - Column chromatography and planar chromatography GB/T 11446.1 Electronic grade water GB/T 25915.1-2021 Clean rooms and related controlled environments Part 1.Classification of air cleanliness by particle concentration GB/T 26792 High Performance Liquid Chromatography GB/T 30431 Laboratory Gas Chromatograph GB/T 34826-2017 Method for determination of performance of quadrupole inductively coupled plasma mass spectrometer GB/T 36647 Specification for common monomer liquid crystal materials GB/T 36648 Specification for TFT Monomer Liquid Crystal Materials GB/T 39486 General rules for inductively coupled plasma mass spectrometry analysis of chemical reagents SJ/T 11203 Terminology of Liquid Crystal Materials

3 Terms and definitions

The terms and definitions defined in GB/T 4946, GB/T 9008, SJ/T 11203 and the following apply to this document. 3.1 Maximum impurity majorimpurity The component with the largest proportion besides the main component. 3.2 quality control sample quality control sample A substance or material that has one or more characteristic values that are sufficiently uniform and stable. NOTE. Used to maintain and monitor the stability of a measurement system by periodically testing specific values. 3.3 Dilution factor The ratio of the mass after dilution to the mass before dilution. Note. Used to indicate the multiple by which the sample is diluted. ...