GB/T 19395-2013 English PDF

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GB/T 19395-2013: Praseodymium metal
Status: Valid

GB/T 19395: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 19395-2013	139	Add to Cart	3 days	Praseodymium metal	Valid
GB/T 19395-2003	199	Add to Cart	2 days	Praseodymium metal	Obsolete

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Basic data

Standard ID: GB/T 19395-2013 (GB/T19395-2013)
Description (Translated English): Praseodymium metal
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H65
Classification of International Standard: 77.120.99
Word Count Estimation: 6,656
Older Standard (superseded by this standard): GB/T 19395-2003
Quoted Standard: GB/T 8170; GB/T 14635; GB/T 18115.3; GB/T 12690.1; GB/T 12690.2; GB/T 12690.3; GB/T 12690.4; GB/T 12690.5; GB/T 12690.6; GB/T 12690.7; GB/T 12690.8; GB/T 12690.9; GB/T 12690.10; GB/T 12690.11; GB/T 12690.12; GB/T 12690.13; GB/T 12690.14; GB/T 12690.15; GB
Regulation (derived from): National Standards Bulletin 2013 No. 27
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the requirements for metal praseodymium, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates. This standard applies to fluoride system molten salt electrolysis method of producing m

GB/T 19395-2013: Praseodymium metal

---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.
Praseodymium metal ICS 77.120.99 H65 National Standards of People's Republic of China Replacing GB/T 19395-2003 Metal praseodymium Issued on. 2013-12-31 2014-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 19395-2003 "metal praseodymium." This standard compared with GB/T 19395-2003, the main changes are as follows. --- Increased 034025A Grades and chemical composition corresponding assessment indicators; --- Increased Cd, Pb, Ni, Cr, Ti elements of assessment indicators; --- Modified Al, O, C content requirements elements. This standard by the National Standardization Technical Committee of rare earth (SAC/TC229) centralized. This standard is mainly drafted by. Ganzhou Nonferrous Metallurgy Research Institute, Southern Rare Earth High-tech Co., Jiangxi. The main drafters of this standard. Zhou Aiguo, Chen Dongying, Wen Xiang, Yang Xinhua, Liu Bolu, Pan Jianzhong, Zhangshao Fu. This standard replaces the standards previously issued as follows. --- GB/T 19395-2003. Metal praseodymium

1 Scope

This standard specifies the metal praseodymium requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate. This standard applies to fluoride molten salt electrolysis system praseodymium oxide process for the production of metal praseodymium, magnetic materials and raw materials for hydrogen storage material and the like.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment Chemical analysis methods GB/T 12690 (all parts), oxides of rare earth metals and rare earth impurities in Central Africa Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total GB/T 18115.3 rare earth metals and oxides of rare earth impurities in chemical analysis methods of lanthanum, cerium, neodymium, samarium, europium, rolling, terbium, Dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium content

3 Requirements

3.1 Chemical composition Chemical composition of the product shall comply with the requirements of Table 1. For parties of products with special requirements, can be negotiated to determine the supply and demand sides. Table 1 Grade 034030 034025A 034025B 034020A 034020B RE is not less than 99.5 99.5 99.5 99 99 Pr/RE is not less than 99.9 99.5 99.5 99 99 Rare earth impurities/RE 0.1 0.5 0.5 1 1 Fe 0.08 0.12 0.12 0.15 0.30 Si 0.03 0.03 0.05 0.05 0.05 Ca 0.01 0.01 0.01 0.02 0.03 Mg 0.01 0.01 0.01 0.02 0.03 Al 0.03 0.03 0.05 0.08 0.10 C 0.02 0.03 0.03 0.05 0.05 O 0.03 0.03 0.04 0.05 0.05 Mo W 0.03 0.04 0.05 0.05 0.05 Cl 0.01 0.01 0.01 0.03 0.03 S 0.01 0.01 0.01 0.01 0.02 P 0.02 0.02 0.03 0.05 0.05 Cd Pb Ni Cr Ti 0.02 0.03 0.03 0.04 0.05 NOTE. RE represents a rare earth element. ......

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