GB/T 23517-2022 English PDF

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GB/T 23517-2022: Ruthenium on carbon catalyst
Status: Valid

GB/T 23517: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23517-2022	319	Add to Cart	4 days	Ruthenium on carbon catalyst	Valid
GB/T 23517-2009	439	Add to Cart	3 days	Ruthenium on activated carbon catalyst	Obsolete

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GB/T 23520   GB/T 23276   GB/T 23277   GB/T 23519   

Basic data

Standard ID: GB/T 23517-2022 (GB/T23517-2022)
Description (Translated English): Ruthenium on carbon catalyst
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H68
Word Count Estimation: 16,199
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 23517-2022: Ruthenium on carbon catalyst

---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.
ICS 77.150.99 CCSH68 National Standards of People's Republic of China Replacing GB/T 23517-2009 Ruthenium Carbon Published on 2022-03-09 2022-10-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

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 of Standardization Documents" drafted. This document replaces GB/T 23517-2009 "Ruthenium Carbon". Compared with GB/T 23517-2009, except for structural adjustments and editorial changes, The main technical changes are as follows. --- Changed the definition of "ruthenium carbon" (see 3.1, 3.1 of the.2009 edition); --- Delete the terms, definitions, requirements and test methods of "ash" (see 3.2, 4.4, 5.3 of the.2009 edition); --- Changed the example of ruthenium carbon to "mass fraction (%)-Ru/C-carbon type" (see 4.1 of the.2009 edition); --- Delete the requirements for impurity elements "Fe, Cu" in the chemical composition table of ruthenium carbon (see 5.1, 4.2 of the.2009 edition); --- Increased the requirements and test methods for the catalytic performance of ruthenium carbon (see 5.2, 6.2, Appendix B, Appendix C); --- Increased the requirements for the specific surface area range of different carbon species (see 5.3, 4.4 of the.2009 edition); ---Changed the test method of ruthenium content in ruthenium carbon, the ruthenium content was changed from "thiourea spectrophotometry" to "inductively coupled plasma atom" "Emission Spectroscopy" (see 6.1.1, Appendix A, 5.1 of the.2009 edition) ---Changed the test method of impurity content in ruthenium carbon, from "flame atomic absorption spectrometry" to "inductively coupled plasma atom" "Emission Spectroscopy" (see 6.1.2, 5.2 of the.2009 edition, Appendix A); --- Changed the drying temperature during the test of moisture content, from "70℃±5℃" to "105℃±5℃"; (see 6.4,.2009 version 6.4). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Nonferrous Metals Industry Association. This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243). This document is drafted by. Guiyan Platinum Industry Co., Ltd., Guiyan Industrial Catalyst (Yunnan) Co., Ltd., Shaanxi Ruike New Materials Co., Ltd. Co., Ltd., Xi'an Kaili New Materials Co., Ltd., Guiyan Testing Technology (Yunnan) Co., Ltd., and the Institute of Nonferrous Metals Technology and Economics have limited liability company. The main drafters of this document. Dai Yunsheng, Tang Chun, Shen Yafeng, Zhu Wuxun, Xiang Lei, Wang Hongqin, Yin Zhaojin, Yang Shanxiao, Zhang Feng, Dong Jilong, Ma Yuan, Gan Jianzhuang, Fang Wei, Zhou Shuyan, Zhou Ailing, Shi Xiaoni, Chen Dan, Li Yuefeng, Zhang Peng. The previous versions of this document and its superseded documents are as follows. ---First published in.2009 as GB/T 23517-2009; ---This is the first revision. Ruthenium Carbon

1 Scope

This document specifies the grades, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents and ordering of ruthenium carbon single content. This document applies to ruthenium carbons used in fine chemicals, pharmaceuticals, environmental remediation and other hydrogenation reduction processes.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 10722 Determination of Total Surface Area and External Surface Area of Carbon Black Nitrogen Adsorption Method HG/T 5199 Test method for the activity of ruthenium carbon catalysts for hydrogenation of pyridine to piperidine YS/T 1502 Chemical analysis method of ruthenium compounds Platinum, ruthenium, rhodium, iridium, gold, silver, copper, iron, nickel, magnesium, manganese, lead, zinc, calcium, sodium content Determination of Inductively Coupled Plasma Atomic Emission Spectrometry

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 A mixture of ruthenium evenly distributed on the surface of carbon materials, including activated carbon, carbon black, mesoporous carbon, carbon nanotubes, and carbon molecular sieves.

4 grades

The grade of the product is composed of the mass fraction of ruthenium (%) plus the symbol of ruthenium and the type of carbon. The product grade is expressed as. 3%- Ruthenium mass fraction (%) Ru/C- Ruthenium element symbol activated carbon Type of charcoal

5 Technical requirements

5.1 Chemical composition The chemical composition of the product (dry basis) shall comply with the requirements in Table 1. ......

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