GB/T 5240-2015 English PDF

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GB/T 5240-2015: Neodymium oxide
Status: Valid

GB/T 5240: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5240-2015	129	Add to Cart	3 days	Neodymium oxide	Valid
GB/T 5240-2006	239	Add to Cart	3 days	Neodymium oxide	Obsolete
GB/T 5240-1992	239	Add to Cart	2 days	Neodymium oxide	Obsolete

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Basic data

Standard ID: GB/T 5240-2015 (GB/T5240-2015)
Description (Translated English): Neodymium oxide
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H65
Classification of International Standard: 77.120.99
Word Count Estimation: 6,617
Date of Issue: 2015-09-11
Date of Implementation: 2016-04-01
Older Standard (superseded by this standard): GB/T 5240-2006
Quoted Standard: GB/T 8170; GB/T 12690.1; GB/T 12690.2; GB/T 12690.3; GB/T 12690.4; GB/T 12690.5; GB/T 12690.6; GB/T 12690.7; GB/T 12690.8; GB/T 12690.9; GB/T 12690.10; GB/T 12690.11; GB/T 12690.12; GB/T 12690.13; GB/T 12690.14; GB/T 12690.15; GB/T 12690.16; GB/T 12690.17; GB/T 12690.29; GB/T 14635; GB/T 17803; GB/T 18115.4
Regulation (derived from): National Standard Announcement 2015 No.25
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 requirements of neodymium oxide, test methods, inspection rules and packaging, labeling, transportation, storage and quality certificate. This Standard applies to extraction or other methods to obtain neodymium oxide, the raw material for the production of magnetic materials and laser materials, capacitors, glass, ceramics and other additives.

GB/T 5240-2015: Neodymium oxide

---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.
(Neodymium oxide) ICS 77.120.99 H65 National Standards of People's Republic of China Replacing GB/T 5240-2006 Neodymium oxide Neodymiumoxide Issued on. 2015-09-11 2016-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 5240-2006 "neodymium oxide." This standard and GB/T 5240-2006 compared to the main technical changes are as follows. --- Increasing the main rare earth elements Nd2O3 assessment indicators (see Table 1); --- Rare earth impurities modified, deleted denominator REO; --- Increased 041045,041025 two grades (see Table 1); --- Increased grades 041,045 and 041,040 rare earth impurities in the full analysis (see Table 1); --- Increasing the non-rare earth impurities Na2O assessment indicators (see Table 1); --- Modify the various grades of the index of non-rare earth impurities (see Table 1); --- Revised LOI index of moisture and the amount of loss on ignition synthetic indicators (see Table 1); --- Increasing the loss on ignition before all tests are state after removing moisture Notes (see Table 1); --- Revised analysis of rare earth (REO) the total content, increasing the total rare earth when measured at more than 99% in order to calculate diluted subtraction The actual value of the total amount of soil (see Table 1); --- Increasing the primary method of its calculation of rare earth elements Nd2O3 relative purity (Nd2O3/REO) (see Chapter 4); --- Increasing the appearance of test results inconsistent with this standard, this batch of product directly to non-conforming product requirements (see 5.5.2). This standard by the National Standardization Technical Committee of rare earth (SAC/TC229) and focal points. This standard is mainly drafted by. Yixing Willy into the new Rare Earth Co., Ltd., Guangdong Zhujiang Rare Earth Co., Ltd., China North Rare Earth (Group) Tech Co., Ltd. The main drafters of this standard. Qian Yuan Ying, Yu Zhichun, Zou Bin, Jin Yanhua, Wang Shuying, HE Qing. This standard replaces the standards previously issued as follows. --- GB/T 5240-1985, GB/T 5240-1992, GB/T 5240-2006. Neodymium oxide

1 Scope

This standard specifies the requirements of neodymium oxide, test methods, inspection rules and packaging, labeling, transportation, storage and quality certificate. This standard applies to the extraction of neodymium oxide or other means prepared for the production of magnetic materials and laser materials, capacitors, Glass, ceramics and other additives.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment GB/T 12690 (all parts), oxides of rare earth metals and their chemical impurity analysis of Central Africa Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total GB/T 17803 grades representation of rare earth products GB/T 18115.4 rare earth metals and their oxides of lanthanum, neodymium impurity analysis method, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, Determination of erbium, thulium, ytterbium, lutetium and yttrium content

3 Requirements

3.1 Categories Product by chemical composition into Nd2O3-4N5, Nd2O3-4N, Nd2O3-3N5, Nd2O3-3N, Nd2O3-2N5, Nd2O3-2N six Grades, product grades representation shall comply with GB/T 17803 of. 3.2 Chemical composition Chemical composition of the product shall comply with the provisions in Table 1. If you have special requirements of the demand side, both supply and demand can be a separate agreement. Table 1 product Trademark Character grade Nd2O3-4N5 Nd2O3-4N Nd2O3-3N5 Nd2O3-3N Nd2O3-2N5 Nd2O3-2N Corresponding to the original digital brands 041 045 041 040 041 035 041 030 041 025 041 020 Chemistry ingredient (quality fraction) /% REO, not less than 99.0 99.0 99.0 99.0 99.0 99.0 Nd2O3/REO, not less than 99.995 99.99 99.95 99.9 99.5 99.0 Nd2O3, not less than Balance Balance Balance Balance Balance Balance La2O3 0.0005 0.001 0.003 0.005 0.02 0.10 CeO2 0.0005 0.001 0.005 0.01 0.05 0.10 Pr6O11 0.002 0.003 0.03 0.05 0.30 0.50 Sm2O3 0.001 0.003 0.01 0.02 0.03 0.03 other Rare earths Impurity Single impurity 0.0001, Combined amount 0.001 Combined amount 0.002 Combined amount 0.002 Combined amount 0.015 Combined amount 0.10 Combined amount 0.27 ......

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