GB/T 18115.15-2010 English PDF

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GB/T 18115.15-2010: Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 15: Lutetium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, yt
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GB/T 18115.15-2010	329	Add to Cart	3 days	Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 15: Lutetium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, yt	Valid

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Basic data

Standard ID: GB/T 18115.15-2010 (GB/T18115.15-2010)
Description (Translated English): Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 15: Lutetium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, yt
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.99
Word Count Estimation: 14,146
Date of Issue: 1/14/2011
Date of Implementation: 11/1/2011
Regulation (derived from): Announcement of Newly Approved National Standards No. 2 of 2011
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 determination lutetium oxide of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium, samarium oxide, europium, gadolinium oxide, terbium, dysprosium, holmium oxide, erbium oxide, thulium, ytterbium oxide and yttrium oxide content Methods. The standard method applied to lutetium oxide lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium, gadolinium oxide, terbium, dysprosium, holmium oxide, erbium oxide, thulium, ytterbium oxide and yttrium oxide Determination of. Determination of the range shown in Table 1. The standard method is also applicable to a metal lutetium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium determination, ytterbium and yttrium content.

GB/T 18115.15-2010: Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 15: Lutetium -- Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, yt

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Chemical analysis methods of rare earth impurities in rare earth metals and their oxides.Part 15. Lutetium.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterb 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 15. lutetium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, Gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and yttrium content Part 15. Lutetium-Determinationoflanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbiumandyttriumcontents 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 15. 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. Li Xiaojun, Xie Jianwei. The drafters of the main participants Part 1. Cui love end, Zhang Hongjiang, Liang Liling, Yu Xuelin. Method 2 of this section by the Jiangyin Jiahua Advanced Material Resources Co. drafted. Method 2 of this section by the Baotou Rare Earth Research Institute, Beijing Nonferrous Metal Research Institute participated in the drafting. The main drafters of this section Method 2. Red Zhao Ping, Xie Jianwei, Zhang Harcourt. The drafters of the main participants Part 2 Method. Do Muoi, including Hong Chun, Shao Rong Zhen, Liu Pengyu. Rare earth impurities in rare earth metals and their oxides Methods for chemical analysis Part 15. lutetium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, Gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and yttrium content Method 1 Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

This section method GB/T 18115 1 specifies lutetium oxide lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide Gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium, ytterbium oxide and yttrium oxide content determination. Part 1 applies to lutetium oxide lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide Dysprosium oxide - Determination of holmium oxide, erbium oxide, thulium, ytterbium oxide and yttrium oxide content. Determination of the range in Table 1. Part 1 of this method is also applicable to metal lutetium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium determination, ytterbium and yttrium content. 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 0.0005 ~ 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 Thulium oxide Ytterbium oxide Yttria 0.0003 ~ 0.10 0.0003 ~ 0.20 0.0003 ~ 0.20 0.0003 ~ 0.20 0.0003 ~ 0.20 0.0003 ~ 0.20 0.0003 ~ 0.20

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 lutetium oxide substrate solution. Weigh 25.0000g by burning 900 ℃ 1h lutetium oxide [w (Lu2O3/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 lutetium 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. ......

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