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GB/T 18115.13-2010: Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 13: Thulium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, l
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Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 13: Thulium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, l
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GB/T 18115.13-2010
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Basic data | Standard ID | GB/T 18115.13-2010 (GB/T18115.13-2010) | | Description (Translated English) | Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 13: Thulium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, l | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 14,127 | | Date of Issue | 2011-01-14 | | Date of Implementation | 2011-11-01 | | Regulation (derived from) | National Standard Approval Announcement 2011 No.2 | | 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 lanthanum oxide, thulium oxide, ceria, oxide, praseodymium, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, oxide, terbium, oxide, dysprosium, holmium oxide, oxide, erbium, ytterbia, lutetium oxide and yttrium oxide content Determination. This section applies to thulium oxide oxidation of lanthanum, cerium oxide, oxide, praseodymium, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, oxide, terbium, oxide, dysprosium, holmium oxide, oxide, erbium, ytterbia, lutetium oxide and yttrium oxide content Determination. Predetermined range shown in Table 1. This section also applies to lanthanum thulium, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, Dy, holmium, erbium, ytterbium, determination of lutetium and yttrium content. | GB/T 18115.13-2010: Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 13: Thulium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, l
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Chemical analysis methods of rare earth impurities in rare earth metals and their oxides.Part 13. Thulium.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, lutet
ICS 77.120.99
H14
National Standards of People's Republic of China
Rare earth impurities in rare earth metals and their oxides
Methods for chemical analysis
Part 13. thulium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium,
Determination of terbium, dysprosium, holmium, erbium, ytterbium, lutetium and yttrium content
Part 13. Thulium-Determinationoflanthanum, cerium, praseodymium,
neodymium, samarium, europium, gadolinium, terbium, dysprosium,
holmium, erbium, ytterbium, lutetiumandyttriumcontents
Issued on. 2011-11-01 2011-01-14 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 18115 "rare earth metals and rare earth oxide impurity analysis chemistry" is divided into 15 parts.
--- Part 1. lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 2. lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 3. of lanthanum, cerium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 4. lanthanum, neodymium, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 5. Samarium lanthanum, cerium, praseodymium, neodymium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 6. Eu lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 7. gadolinium lanthanum, cerium, praseodymium, neodymium, samarium, europium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 8. terbium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 9. dysprosium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 10. holmium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, erbium, thulium, ytterbium, lutetium and yttrium measured quantity;
--- Part 11. Erbium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, thulium, ytterbium, lutetium and yttrium content;
--- Part 12. yttrium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium measured quantity;
--- Part 13. thulium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, lutetium and yttrium measured quantity;
--- Part 14. ytterbium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, lutetium and yttrium measured quantity;
--- Part 15. lutetium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and yttrium content.
This is Part 13.
When analyzing the scope of the two methods overlap to arbitration as a Tier 2 method.
This part of the National Standardization Technical Committee of rare earth (SAC/TC229) centralized.
This part by the Beijing Nonferrous Metal Research Institute, China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting.
Method 1 of this section by the Jiangyin Jiahua Advanced Material Resources Co. drafted.
Method 1 of this section by the Baotou Rare Earth Research Institute, Guangdong Zhujiang Rare Earth Co., Ltd. participated in the drafting.
The main drafters of this Part 1. Red Zhao Ping, Liu Wenhua, Huang Xia.
The drafters of the main participants Part 1. Cui love ends, Li Yumei, New Song Wei, Lin Zhiyang, Song Yao.
Method 2 This part was drafted by the Beijing Nonferrous Metal Research Institute.
Method 2 of this section by the Baotou Rare Earth Research Institute, Jiangyin Jiahua Advanced Material Resources Co., Ltd. participated in the drafting.
The main drafters of this section Method 2. Wang Changhua, Li Jidong, Yang Ping.
Part 2 of this method the main participants drafters. Zhang Lifeng, including Hong Chun, Li Xiaojun, Ni Juhua.
Rare earth impurities in rare earth metals and their oxides
Methods for chemical analysis
Part 13. thulium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium,
Determination of terbium, dysprosium, holmium, erbium, ytterbium, lutetium and yttrium content
Method 1 Inductively Coupled Plasma Atomic Emission Spectrometry
1 Scope
This section method GB/T 18115 1 specifies thulium oxide lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide
Gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, ytterbium, lutetium and yttrium oxide content determination of oxidized.
This section applies to a method of lanthanum oxide, thulium oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide
Dysprosium oxide - Determination of holmium oxide, erbium oxide, ytterbium, lutetium oxide and yttrium oxide content. Determination of the range in Table 1.
Part 1 of this method is also applicable to thulium metal lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, lutetium and yttrium Determination.
Table 1
Oxide mass fraction /% oxide mass fraction /%
Lanthanum oxide
Ceria
Praseodymium oxide
Neodymium oxide
Samarium oxide
Europium oxide
Gadolinium oxide
0.0003 ~ 0.10
0.0005 ~ 0.10
0.0003 ~ 0.10
0.0003 ~ 0.10
0.0003 ~ 0.10
0.0003 ~ 0.10
0.0003 ~ 0.10
Terbium oxide
Dysprosium
Holmium oxide
Erbium oxide
Ytterbium oxide
Lutetium oxide
Yttria
0.0005 ~ 0.10
0.0005 to 0.15
0.0005 to 0.15
0.0003 to 0.15
0.0003 to 0.15
0.0003 to 0.15
0.0003 to 0.15
2 principle of the method
The sample is dissolved in hydrochloric acid, in dilute hydrochloric acid medium, direct excitation of argon plasma light source, subjected to spectral measurement, with the correction matrix matching method
Effect of matrix on the determination.
3 Reagents and materials
3.1 Hydrogen peroxide (ρ1.44g/mL), pure class distinctions.
3.2 hydrochloride (11).
3.3 hydrochloric acid (119).
3.4 nitric acid (11).
3.5 thulium oxide substrate solution. Weigh 25.0000g burning oxidation at 900 ℃ for 1h thulium [w (Tm2O3/REO) > 99.999%,
w (REO) > 99.5%], placed in 250mL beaker, add 75mL of hydrochloric acid (3.2), low-temperature heating to fully dissolve, cooled to room temperature, transfer
Into 500mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 50mg thulium oxide.
3.6 lanthanum oxide standard stock solution. Weigh 0.1000g burning lanthanum oxide at 900 ℃ for 1h [w (La2O3/REO) > 99.99%,
w (REO) > 99.5%], placed in 100mL beaker, add 10mL of hydrochloric acid (3.2), low-temperature heating to fully dissolve, cooled to room temperature, transfer
Into 100mL volumetric flask, dilute with water to volume, and mix. This solution 1mL 1mg containing lanthanum oxide. This solution was then washed with hydrochloric acid (3.3)
Diluted to 1mL 1mL containing 100μg and 10μg standard solution containing lanthanum oxide.
3.7 ceria standard stock solution. Weigh 0.1000g burning of cerium oxide 1h [w (CeO2/REO) > 99.99% after 900 ℃,
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