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XB/T 613.2-2010: Chemical analysis methods of cerium-terbium oxide―Part 2: Determination of lanthanum oxide， praseodymium oxide， neodymium oxide， samarium oxide， europium oxide， gadolinium oxide…… contents― Inductively coupled plasma atomic emission spectrometry
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Chemical analysis methods of cerium-terbium oxide―Part 2: Determination of lanthanum oxide， praseodymium oxide， neodymium oxide， samarium oxide， europium oxide， gadolinium oxide…… contents― Inductively coupled plasma atomic emission spectrometry
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XB/T 613.2-2010
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Basic data | Standard ID | XB/T 613.2-2010 (XB/T613.2-2010) | | Description (Translated English) | Chemical analysis methods of cerium-terbium oxide�DPart 2: Determination of lanthanum oxide�� praseodymium oxide�� neodymium oxide�� samarium oxide�� europium oxide�� gadolinium oxide���� contents�D Inductively coupled plasma atomic emission spectrometry | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 11,189 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-03-01 | | Regulation (derived from) | Engineering Division (2010) No. 126; Industry Standard Record Announcement No. 9 (Total No. 153) of 2012; Ministry of Industry and Information Technology Announcement No. 23 of 2017 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide in cerium terbium oxide method. This standard applies to the determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide in cerium terbium oxide . The measurement range is shown in Table 1. | XB/T 613.2-2010: Chemical analysis methods of cerium-terbium oxide―Part 2: Determination of lanthanum oxide， praseodymium oxide， neodymium oxide， samarium oxide， europium oxide， gadolinium oxide…… contents― Inductively coupled plasma atomic emission spectrometry
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Chemical analysis methods of cerium-terbium oxide―Part 2.Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide contents― Inductively coupled plasma atomic emission spectrometry
ICS 77.120.99
H14
Rare Earth Industry Standard of the People's Republic of China
Cerium terbium oxide chemical analysis method
Part 2.Lanthanum oxide, praseodymium oxide, neodymium oxide,
Samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide,
Holmium oxide, erbium oxide, thulium oxide, ytterbium oxide,
Determination of the amount of lutetium oxide and yttrium oxide
Inductively coupled plasma atomic emission spectrometry
Part 2.Determinationoflanthanumoxide,praseodymiumoxide,neodymium
Issued on.2010-11-10 Implemented on.2011-03-01
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Foreword
XB/T 613 "Chemical Analysis Method of Cerium Terbium Oxide" is divided into 2 parts.
---Part 1.Determination of the amount of cerium oxide and terbium oxide;
---Part 2.Lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide,
Determination of the amount of ytterbium oxide, lutetium oxide and yttrium oxide.
This part is part 2 of XB/T 613.
This part is under the jurisdiction of the National Rare Earth Standardization Committee (SAC/TC229).
This part was drafted by Guangdong Zhujiang Rare Earth Co., Ltd.
This part is organized by Jiangyin Jiahua New Materials Resources Co., Ltd., Hunan Rare Earth Metal Materials Research Institute, Ganzhou Qiandong Rare Earth Group Co., Ltd.
Division participated in the drafting.
The main drafters of this section. Song Yao, Deng Hanqin, Song Weixin.
Participating drafters of this section. He Fengjuan, Ni Juhua, Wen Bin, Yao Nanhong, Liu Junzhou, Liu Rongli.
Cerium terbium oxide chemical analysis method
Part 2.Lanthanum oxide, praseodymium oxide, neodymium oxide,
Samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide,
Holmium oxide, erbium oxide, thulium oxide, ytterbium oxide,
Determination of the amount of lutetium oxide and yttrium oxide
Inductively coupled plasma atomic emission spectrometry
1 Scope
This part specifies lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, oxide
Methods for determination of erbium, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide content.
This part applies to lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, oxide
Determination of the amount of erbium, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide. The measurement range is shown in Table 1.
Table 1
Oxide measuring range/%
Lanthanum oxide 0.0030~0.040
Praseodymium oxide 0.0060~0.040
Neodymium oxide 0.0030~0.040
Samarium oxide 0.0030~0.040
Europium oxide 0.0010~0.040
Gadolinium oxide 0.0010~0.040
Dysprosium oxide 0.0010~0.040
Oxide measuring range/%
Holmium oxide 0.0060~0.040
Erbium oxide 0.0010~0.040
Thulium oxide 0.0010~0.040
Ytterbium oxide 0.0010~0.040
Lutetium oxide 0.0010~0.040
Yttrium oxide 0.0010~0.040
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2 Method principle
The sample is dissolved in nitric acid, and directly excited by an argon plasma light source in a dilute nitric acid medium for spectral measurement and calibration by matrix matching method
The influence of the matrix on the determination.
3 Reagents and materials
3.1 Hydrogen peroxide (30%).
3.2 Nitric acid (1 1).
3.3 Nitric acid (1 19).
3.4 Hydrochloric acid (1 1).
3.5 Hydrochloric acid (1 19).
3.6 Cerium oxide matrix solution. Weigh 12.5000g of cerium oxide that has been burned at 900°C for 1h [w(REO) >99.5%, w(CeO2/
REO) >99.99%), put in a 500mL beaker, add 125mL nitric acid (3.2) and 25mL hydrogen peroxide (3.1), and heat to
Dissolve completely, cool to room temperature, transfer to a 500mL volumetric flask, dilute to the mark with water, and mix. 1mL of this solution contains 25mg of cerium oxide.
3.7 Terbium oxide matrix solution. Weigh 12.5000g terbium oxide that has been burned at 900°C for 1 hour [w(REO) >99.5%,w(Tb4O7/
REO) >99.99%), put in a 500mL beaker, add 25mL nitric acid (3.2), add 1mL hydrogen peroxide (3.1), and heat to
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