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XB/T 612.2-2019: (Methods for chemical analysis of bismuth-iron-boron wastes - Part 2: Determinations)
Status: Valid XB/T 612.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| XB/T 612.2-2019 | English | 169 |
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(Methods for chemical analysis of bismuth-iron-boron wastes - Part 2: Determinations)
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XB/T 612.2-2019
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| XB/T 612.2-2009 | English | 279 |
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Chemical analysis methods of scraps of neodymium iron boron—Part 2: Determination of fifteen REO relative contents—Inductively coupled plasma atomic emission spectrometry
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XB/T 612.2-2009
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PDF similar to XB/T 612.2-2019
Basic data | Standard ID | XB/T 612.2-2019 (XB/T612.2-2019) | | Description (Translated English) | (Methods for chemical analysis of bismuth-iron-boron wastes - Part 2: Determinations) | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H14 | | Word Count Estimation | 7,778 | | Date of Issue | 2019-08-02 | | Date of Implementation | 2020-01-01 | | Older Standard (superseded by this standard) | XB/T 612.2-2009 | | Regulation (derived from) | Natural Resources Department Announcement No. 7 of 2019 | | Issuing agency(ies) | Ministry of Industry and Information Technology | XB/T 612.2-2009: Chemical analysis methods of scraps of neodymium iron boron—Part 2: Determination of fifteen REO relative contents—Inductively coupled plasma atomic emission spectrometry
---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.
Chemical analysis methods of scraps of neodymium iron boron-Part 2.Determination of fifteen REO relative contents-Inductively coupled plasma atomic emission spectrometry
ICS 77.120.99
H14
Rare Earth Industry Standard of the People's Republic of China
XB/T 612.2-2009
Chemical analysis method of NdFeB waste
Part 2.Fifteen rare earth element oxides
Determination of the proportion
Inductively coupled plasma spectroscopy
2009-12-04 released
Implementation of.2010-06-01
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Foreword
XB/T 612 "NdFeB Waste Chemical Analysis Method" is divided into the following two parts.
Part 1.Determination of the total amount of rare earth oxides by gravimetric method;
Part 2.Determination of 15 rare earth element oxide components by inductively coupled plasma spectroscopy.
This part is part 2 of XB/T 612.
This part was proposed and managed by the National Rare Earth Standardization Technical Committee.
The organization responsible for drafting this section. Ganzhou Qiandong Rare Earth Group Co., Ltd.
Participated in the drafting of this section. Inner Mongolia Baotou Iron and Steel Rare Earth High-Tech Co., Ltd., Yixing Xinweilicheng Rare Earth Co., Ltd.
The main drafters of this section. Wen Bin, Yao Nanhong.
Participating drafters of this section. Cao Junjie, Yu Zhichun.
XB/T 612.2-2009
Chemical analysis method of NdFeB waste
Part 2.Fifteen rare earth element oxides
Determination of the proportion
Inductively coupled plasma spectroscopy
1 scope
This part of XB/T 612 specifies the determination method of 15 rare earth element oxides in NdFeB waste.
This section applies to the determination of 15 rare earth element oxides in NdFeB waste. The measurement range is shown in Table 1.
Table 1
Rare earth oxide Rare earth oxide content determination range/%
Y2O3, La2O3, CeO2, Sm2O3, Tb4O7 0.10～10.00
Pr6011 0.10~35.00
Nd2O3 0.10～98.00
Eu2O3, Er2O3, Tm2O3, Yb2O3, Lu2O3 0.10～2.0
Gd2O3 0.10～20.00
Dy2O3 0.10～30.00
Ho2O3 0.10～5.00
2 Principles of the method
The sample is decomposed by aqua regia, in the aqua regia medium. Direct excitation with argon plasma light source for spectrometry.
3 Reagents and materials
3.1 Hydrochloric acid (1+1).
3.2 Nitric acid (1+1).
3.3 Hydrogen peroxide (30%).
3.4 Yttrium oxide (REO >99.5%, Y2O3/RE >99.99%).
3.5 Lanthanum oxide (REO >99.5%, La2O3/RE >99.99%).
3.6 Cerium oxide (REO >99.5%, CeO2/RE >99.99%).
3.7 Praseodymium oxide (REO >99.5%, Pr6011/REO >99.99%).
3.8 Neodymium oxide (REO >99.5%, Nd2O3/RE >99.99%).
3.9 Samarium oxide (REO >99.5%, Sm2O3/RE >99.99%).
3.10 Europium oxide (REO >99.5%, Eu2O3/RE >99.99%).
3.11 Gadolinium oxide (REO >99.5%, Gd2O3/RE >99.99%).
3.12 Terbium oxide (REO >99.5%, Tb407/REO >99.99%).
3.13 Dysprosium oxide (REO >99.5%, Dy2O3/RE >99.99%).
3.14 Holmium oxide (REO >99.5%, Ho2O3/RE >99.99%).
3.15 Erbium oxide (REO >99.5%, Er2O3/RE >99.99%).
XB/T 612.2-2009
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