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GB/T 26417-2010 English PDF

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GB/T 26417-2010: Chemical analysis methods of praseodymium-neodymium alloy and the compounds -- Determination of REO relative contents
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GB/T 26417-2010English329 Add to Cart 3 days [Need to translate] Chemical analysis methods of praseodymium-neodymium alloy and the compounds -- Determination of REO relative contents Valid GB/T 26417-2010

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Basic data

Standard ID GB/T 26417-2010 (GB/T26417-2010)
Description (Translated English) Chemical analysis methods of praseodymium-neodymium alloy and the compounds -- Determination of REO relative contents
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H14
Classification of International Standard 77.120.99
Word Count Estimation 14,125
Date of Issue 2011-01-14
Date of Implementation 2011-11-01
Regulation (derived from) National Standard Approval Announcement 2011 No.166
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 Pr-Nd alloy two kinds of REE determination of compounds and their components. This standard applies to the determination of fifteen compounds Pr-Nd alloy and REE component. Method 1 Measurement range: Pr10. 0% ~ 30. 0%, Nd70. 00% ~ 90. 00%, others 0. 05% to 0. 50% of rare earth elements, method Measurement range: Pr10. 0% ~ 30. 0%, Nd60. 0% ~ 90. 0% Other rare earth elements 0. 03% to 0. 40%.

GB/T 26417-2010: Chemical analysis methods of praseodymium-neodymium alloy and the compounds -- Determination of REO relative contents


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Chemical analysis methods of praseodymium-neodymium alloy and the compounds. Determination of REO relative contents ICS 77.120.99 H14 National Standards of People's Republic of China Pr-Nd alloy and chemical analysis of compound Determination of rare earth coordination component Issued on. 2011-01-14 2011-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is composed by the two methods, two methods of measuring range overlap, the arbitration as a method to method 1. This standard by the National Standardization Technical Committee of rare earth (SAC/TC229) centralized. This standard by Ganzhou Nonferrous Metallurgy Research Institute, China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting. The standard method by the Beijing Nonferrous Metal Research Institute, Ganzhou Qiandong Rare Earth Group Co., Ltd. participated in the drafting. The standard method by the Baotou Rare Earth Research Institute, Jiangyin Jiahua Advanced Material Resources Co., Ltd., Guangdong Zhujiang Rare Earth Co., Ltd. participated Drafted. The main drafters of this Standard Method 1. Zhongdao Guo, Pan Jianzhong. The standard way to participate in a draftsman. Song Yongqing, Wenbin, Nam Hung Yao, Liu Zhuying. The main drafters of this Standard Method 2. Liu Hong, Xie Lu. The Standard Method 2 participate drafters. Cui love end, Zhong Xinwen, red Zhao Ping, Zhang Hongjiang, Linzhi Yang, Chen Lu, Song Yao. Pr-Nd alloy and chemical analysis of compound Determination of rare earth coordination component

1 Scope

This standard specifies the Pr-Nd alloy Two Methods to Measure REE compounds and components. This standard applies to the determination of the compounds of fifteen praseodymium neodymium alloy and REE component. Method 1 Measuring range. Pr10.0% ~ 30.0%, Nd70.00% ~ 90.00%, others 0.05% to 0.50% rare earth elements; Method 2 Measurement range. Pr10.0% ~ 30.0%, Nd60.0% ~ 90.0%, other rare earth elements 0.03% to 0.40%. Method 1 X-ray Fluorescence Spectrometry

2 principle of the method

The sample is dissolved by steam until nearly dry, accurately dilute hydrochloric acid solution to dissolve clear, made of thin samples, each measuring dilute the X-ray fluorescence spectrometer Earth element content and calculate its assigned weight.

3 Reagents and materials

3.1 lanthanum oxide (REO > 99.5%, La2O3/REO > 99.99%). 3.2 cerium oxide (REO > 99.5%, CeO2/REO > 99.99%). 3.3 praseodymium oxide (REO > 99.5%, Pr6O11/REO > 99.99%). 3.4 neodymium oxide (REO > 99.5%, Nd2O3/REO > 99.99%). 3.5 samarium oxide (REO > 99.5%, Sm2O3/REO > 99.99%). 3.6 europium oxide (REO > 99.5%, Eu2O3/REO > 99.99%). 3.7 gadolinium oxide (REO > 99.5%, Gd2O3/REO > 99.99%). 3.8 terbium oxide (REO > 99.5%, Tb4O7/REO > 99.99%). 3.9 dysprosium oxide (REO > 99.5%, Dy2O3/REO > 99.99%). 3.10 holmium oxide (REO > 99.5%, Ho2O3/REO > 99.99%). 3.11 erbium oxide (REO > 99.5%, Er2O3/REO > 99.99%). 3.12 thulium oxide (REO > 99.5%, Tm2O3/REO > 99.99%). 3.13 ytterbium oxide (REO > 99.5%, Yb2O3/REO > 99.99%). 3.14 lutetium oxide (REO > 99.5%, Lu2O3/REO > 99.99%). 3.15 yttrium oxide (REO > 99.5%, Y2O3/REO > 99.99%). 3.16 Hydrogen peroxide (30%). 3.17 Nitrate (ρ1.42g/mL). 3.18 hydrochloric acid (11). 3.19 hydrochloric acid (397). 3.20 rare earth oxides mixed standard solution (1). Weigh 0.2000g after burning at 900 ℃ 1h, placed in a desiccator to cool to room temperature Cerium oxide (3.2) in 100mL beaker, moistened with water, was added 10mL of nitric acid (3.17), was added dropwise hydrogen peroxide (3.16) solubilization, add cold Heat to dissolve clear. After cooling transferred 200mL volumetric flask.

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