GB/T 38212-2019 English PDF

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GB/T 38212-2019: Piperazine
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38212-2019	279	Add to Cart	3 days	Piperazine	Valid

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Basic data

Standard ID: GB/T 38212-2019 (GB/T38212-2019)
Description (Translated English): Piperazine
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G17
Classification of International Standard: 71.080.30
Word Count Estimation: 14,192
Date of Issue: 2019-10-18
Date of Implementation: 2020-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38212-2019: Piperazine

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Piperazine ICS 71.080.30 G17 National Standards of People's Republic of China Piperazine Published on.2019-10-18 2020-09-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63). This standard was drafted. Shandong Union Chemical Co., Ltd., Yangzi Petrochemical - BASF Co., Ltd., Akzo Nobel Chemical (Ningbo) Co., Ltd., Hefei University of Technology. The main drafters of this standard. Liu Zhichen, Jiang Yilei, Zhu Cui, Qian Guifang, Zhang Zhenglin, Lun Xingzong, Zhang Chunjiang, Chen Aiming, Wu Xinyuan, Ma Xiuying, Zhu Xiao, Li Chengli, Zhu Yunling, Huang Jiahe, Liang Jianrong, Zheng Hongjun, Li Jichang, Hu Huazhen, and Wan Wanli. Piperazine Caution - This standard does not address all possible security issues. Users are responsible for taking appropriate safety and health measures and The certificate complies with the conditions stipulated by relevant national laws and regulations.

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of piperazine. This standard applies to piperazine. Molecular formula. C4H10N2 Structure. Relative molecular mass. 86.14 (according to.2016 international relative atomic mass)

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 190 dangerous goods packaging mark Preparation of GB/T 601 chemical reagent standard titration solution GB/T 3143 Liquid chemical product color determination method (Hazen unit - platinum-cobalt color number) GB/T 6283 Determination of moisture content in chemical products - Karl Fischer method (general method) General rules for sampling GB/T 6678 chemical products GB/T 6679 Solid Chemical Products Sampling General GB/T 6680 Liquid Chemical Product Sampling General GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 9722 chemical reagent gas chromatography general rule

3 Classification and classification of products

3.1 Piperazine According to different production processes, there are two specifications of anhydrous piperazine and 68% piperazine. 3.2 Each type of product is divided into Type I and Type II products according to user needs. Type I products are used for high-end applications, and Type II products are full. For most purposes.

4 Technical requirements

4.1 Appearance. anhydrous piperazine is white or light yellow solid; 68% piperazine is colorless or white crystal. 4.2 Hydrochloride piperazine should meet the technical indicators shown in Table 1. ......

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