GB/T 23519-2023 English PDF

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GB/T 23519-2023: Chlorotris (triphenylphosphine) rhodium
Status: Valid

GB/T 23519: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23519-2023	289	Add to Cart	3 days	Chlorotris (triphenylphosphine) rhodium	Valid
GB/T 23519-2009	239	Add to Cart	3 days	Chlorotris (triphenylphosphine) rhodium	Obsolete

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Basic data

Standard ID: GB/T 23519-2023 (GB/T23519-2023)
Description (Translated English): Chlorotris (triphenylphosphine) rhodium
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H68
Classification of International Standard: 77.150.99
Word Count Estimation: 14,172
Date of Issue: 2023-12-28
Date of Implementation: 2024-07-01
Older Standard (superseded by this standard): GB/T 23519-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 23519-2023: Chlorotris (triphenylphosphine) rhodium

---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 Replace GB/T 23519-2009 triphenylphosphine rhodium chloride Published on 2023-12-28 2024-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 23519-2009 "Triphenylphosphine rhodium chloride": Compared with GB/T 23519-2009, except for structural adjustment and compilation In addition to editorial changes, the main technical changes are as follows: a) Added labeling of triphenylphosphine rhodium chloride (see Chapter 4); b) Added the molecular formula and structural formula of triphenylphosphine rhodium chloride (see 4:1); c) The upper limit of the content of impurity elements Fe, Ni, and Pb has been changed, and the Fe content has been changed from no more than 0:002% to no more than 0:005%; Change the Pb content from no more than 0:003% to no more than 0:002%; change the Ni content from no more than 0:005% to no more At 0:002% (see 5:1, 3:1:2 of the:2009 edition), the control indicators of impurity elements such as Mg, Zn, Mn are added (see 5:1); d) Added requirements and test methods for the mass fraction of triphenylphosphine rhodium chloride (see 5:1, 6:1:1 and Appendix A); e) The solubility test was changed to the mass fraction of toluene-insoluble matter, and the test method was added (see 5:2, 6:2 and Appendix B,:2009 version 3:2, 4:3); f) The determination method of rhodium mass fraction has been changed, changing "measurement according to YS/T 561" to "measurement according to the provisions of GB/T 34609:1" (See 6:1:2, 4:1 of the:2009 edition); g) The method for measuring the mass fraction of impurity elements has been changed, changing "measured according to YS/T 363" to "according to the provisions of GB/T 34609:2 "Proceed" (see 6:1:3, 4:2 of the:2009 version); h) It is added that the numerical values of the inspection results are rounded according to the provisions of GB/T 8170, and the rounded value comparison method is used to determine (see 7:5:1); i) Added requirements for product packaging markings: Product packaging box markings should comply with the provisions of GB/T 190 (see 8:1:2); j) Added the requirement that the water quality used for determining the mass fraction of triphenylphosphine rhodium chloride should comply with the provisions of first-class water in GB/T 6682 (see A:2): Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by the China Nonferrous Metals Industry Association: This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243): This document was drafted by: Guiyan Platinum Co:, Ltd:, Guiyan Chemical Materials (Yunnan) Co:, Ltd:, Chenzhou Gaoxin Materials Co:, Ltd:, Yunnan Precious Metals Laboratory Co:, Ltd:, Nonferrous Metals Technology and Economic Research Institute Co:, Ltd:, Zhejiang Weitong Catalytic New Materials Co:, Ltd:, Shaanxi Ruike New Materials Co:, Ltd:, Xi'an Kaili New Materials Co:, Ltd:, Shandong Youyan Guojinghui New Materials Co:, Ltd: The main drafters of this document: Hou Wenming, Jiang Jing, Shen Shanwen, Lei Jing, Zhu Wuxun, Liu Guihua, Xiang Lei, Yan Caixian, Pan Jianming, Yang Yongjun, Zhou Ailing, Wang Guanqun, Du Bing, Wang Jinying, He Xin, Zhang Gaopeng, Wu Song, Wang Hui, Chen Hao: The previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 23519-2009 in:2009; ---This is the first revision: triphenylphosphine rhodium chloride

1 Scope

This document specifies the marking, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and subsequent inspection of triphenylphosphine rhodium chloride: line documents and order form contents: This document is applicable to triphenylphosphine rhodium chloride used for reaction catalysis in petrochemical, fine chemical, synthetic pharmaceutical and other industries:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 190 Dangerous goods packaging markings GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 8170 Numerical rounding rules and expression and determination of limit values GB/T 34609:1 Methods for chemical analysis of rhodium compounds - Part 1: Determination of rhodium amount - hexaammine cobalt nitrate gravimetric method GB/T 34609:2 Methods for chemical analysis of rhodium compounds - Part 2: silver, gold, platinum, palladium, iridium, ruthenium, lead, nickel, copper, iron, tin, zinc, Determination of magnesium, manganese, aluminum, calcium, sodium, potassium, chromium and silicon content by inductively coupled plasma atomic emission spectrometry

3 Terms and definitions

There are no terms or definitions to be defined in this document:

4 marks

Name: Triphenylphosphine rhodium chloride Molecular formula: RhCl[(C6H5)3P]3 Structural formula: Triphenylphosphine rhodium chloride product labels are expressed in the order of product name, molecular formula, and structural formula: Example: Triphenylphosphine rhodium chloride products manufactured in accordance with this document are marked: GB/T 23519-RhCl[(C6H5)3P]3 ......

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