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XB/T 211-2015 English PDF

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XB/T 211-2015: Concentrate of samarium, europium, and gadolinium oxide
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XB/T 211-2015English169 Add to Cart 3 days [Need to translate] Concentrate of samarium, europium, and gadolinium oxide Valid XB/T 211-2015

PDF similar to XB/T 211-2015


Standard similar to XB/T 211-2015

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Basic data

Standard ID XB/T 211-2015 (XB/T211-2015)
Description (Translated English) Concentrate of samarium, europium, and gadolinium oxide
Sector / Industry Rare Earth Metal Industry Standard (Recommended)
Classification of Chinese Standard H65
Classification of International Standard 77.120.99
Word Count Estimation 7,793
Date of Issue 2015-04-30
Date of Implementation 2015-10-01
Older Standard (superseded by this standard) XB/T 211-2007
Quoted Standard GB/T 8170; GB/T 12690.2; GB/T 23594.1; GB/T 23594.2
Regulation (derived from) MIIT Announcement (2015 No.28)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This Standard specifies requirements for Sm-Eu-Gd Concentrate, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate. This Standard applies to extraction separation to the Sm-Eu-Gd Concentrate. The products are mainly used as raw material to extract samarium, europium, gadolinium, terbium, dysprosium and other rare earth single, deep processing for use.

XB/T 211-2015: Concentrate of samarium, europium, and gadolinium oxide

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Concentrate of samarium, europium, and gadolinium oxide ICS 77.120.99 H65 People's Republic of China rare earth industry standards Replacing XB/T 211-2007 Samarium Europium gadolinium enrichment 2015-04-30 release 2015-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces XB/T 211-2007 "Sm-Eu gadolinium enrichment." This standard compared with the XB/T 211-2007, the main technical changes are as follows. --- Increase the solid, liquid samarium europium gadolinium products terbium, dysprosium elements content requirements; --- Modify the liquid product samarium europium gadolinium feed concentration; --- Modify the liquid samarium europium gadolinium products samarium, europium content requirements; --- Different products from different sources of mineral amended to increase the bastnaesite concentrate, ion-adsorbing rare earth mine product brand; --- Modify the representation of rare earth impurities. This standard by the National Rare Earth Standardization Technical Committee (SAC/TC229) and focal point. This standard is mainly drafted by. Inner Mongolia Baotou Steel Rare Earth (Group) Co., Ltd., Baotou Huamei Rare Earth Hi-Tech Co., Ltd., Baotou Jingrui New Materials Co., Ltd. The main drafters of this standard. Zhou Xiaodong, Guo Meiqin, Li Peizhong, Zhang Ruixiang, Wang Yu Xiao, Xie Ping, Liu Lei, Xu Zongze. The previous version of this standard release situation. --- XB/T 211-1995, XB/T 211-2000, XB/T 211-2007. Samarium Europium gadolinium enrichment

1 Scope

This standard specifies the samarium-europium gadolinium enrichment requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate. This standard applies to extraction of samarium europium gadolinium enrichment. The product is mainly used for extraction of samarium, europium, gadolinium, terbium, dysprosium and other single rare earth Of raw materials for further processing.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 8170 rounded repair rules and limit values of the representation and judgment GB/T 12690.2 rare earth metals and oxides non-rare earth impurities chemical analysis method gravimetric method for the determination of rare earth oxides burning Decrement GB/T 23594.1 Samarium-europium gadolinium enrichment chemical analysis method - Part 1. Determination of total rare earth oxides gravimetric method GB/T 23594.2 samarium-europium-gadolinium enrichment chemical analysis method - Part 2. determination of fifteen rare earth element oxides Inductively coupled plasma atomic emission spectrometry

3 requirements

3.1 chemical composition 3.1.1 solid samarium europium gadolinium enrichment chemical composition shall comply with the provisions of Table 1. Part of the samarium, europium, gadolinium enrichment, both supply and demand separately. Table 1 Product brand Ore Category Bastnaesite - monazite mixed concentrate Character Grade (SmEuGd) 2O3-10Eu (SmEuGd) 2O3-8.0Eu (SmEuGd) 2O3-50Eu Digital grade 060018 060015A 060015B Chemistry ingredient (quality fraction)/ REO, not less than 98.0 95.0 95.0 ingredient not less than Sm2O3/REO 50.0 50.0 45.0 Eu2O3/REO 10.0 8.0 50.0 Gd2O3/REO 16.5 16.0 1.5 Tb4O7/REO 1.1 1.0 - Dy2O3/REO 3.5 3.3 - Rare earth Impurities no greater than La2O3/REO CeO2/REO Pr6O11/REO Nd2O3/REO 0.5 0.5 - Burning less than 1.0 1.0 2.0

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