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GB/T 15678-2010: Erbium oxide
Status: Valid GB/T 15678: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 15678-2010 | English | 139 |
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Erbium oxide
| Valid |
GB/T 15678-2010
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| GB/T 15678-1995 | English | 239 |
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Erbium oxide
| Obsolete |
GB/T 15678-1995
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PDF similar to GB/T 15678-2010
Basic data | Standard ID | GB/T 15678-2010 (GB/T15678-2010) | | Description (Translated English) | Erbium oxide | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 71.120.99 | | Word Count Estimation | 6,676 | | Date of Issue | 1/14/2011 | | Date of Implementation | 11/1/2011 | | Older Standard (superseded by this standard) | GB/T 15678-1995 | | Quoted Standard | GB/T 8170; GB/T 12690.1; GB/T 12690.2; GB/T 12690.3; GB/T 12690.4; GB/T 12690.5; GB/T 12690.6; GB/T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 12690.29; GB/T 14635; GB/T 18115.11 | | 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 requirements for erbium oxide, test methods, inspection rules and signs, packaging, transport and storage. This Standard is applicable to chemical method were primarily made for erbium oxide magnetic materials, glass, metal and electronic industries use. | GB/T 15678-2010: Erbium 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.
Erbium oxide
ICS 77.120.99
H65
National Standards of People's Republic of China
Replacing GB/T 15678-1995
Erbium oxide
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 replaces GB/T 15678-1995 "erbium oxide."
This standard compared with GB/T 15678-1995, the main changes are as follows.
--- According to GB/T 17803 "rare earth products grades representation" requirement, digital grades representation;
--- Deleted Er2O3 Grade/REO content of not less than 95%;
--- For Er2O3/REO content of not less than 99.99% of rare earth impurities in the number of examination grades have been adjusted;
--- The assessment of non-rare earth impurities has been adjusted.
This standard by the National Standardization Technical Committee of rare earth (SAC/TC229) centralized.
This standard by Guangdong Zhujiang Rare Earth Co., Ltd. is responsible for drafting.
This standard by the Jiangyin Jiahua Advanced Material Resources Co., Ltd Ganzhou Qiandong Rare Earth Group Co., Ltd. Yixing new Leeshing
Participated in the drafting.
The main drafters of this standard. Jin Yanhua, Denghan Qin, Xie Jianwei, Nam Hung Yao, Yu Zhichun.
This standard replaces the standards previously issued as follows.
--- GB/T 15678-1995.
Erbium oxide
1 Scope
This standard specifies the Erbium requirements, test methods, inspection rules and signs, packaging, transportation and storage.
This standard applies to chemical method was primarily made for erbium oxide magnetic materials, glass, metal and electronic industries use.
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 18115.11 rare earth metals and oxides of rare earth impurities in chemical analysis methods erbium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium,
Determination of terbium, dysprosium, holmium, thulium, ytterbium, lutetium and yttrium content
3 Requirements
3.1 Chemical composition
Chemical composition of the product shall comply with the requirements in Table 1. Demand side, such products have special requirements, supply and demand sides can be negotiated.
Table 1
Product No. 121040 121 035 121 030 121 025 121 020
chemical composition
(Mass fraction) /%
REO, not less than 9,999,999,999
Er2O3/REO, not less than 99.99 99.95 99.9 99.5 99
Impurities
no greater than
Rare earth impurities /
REO
Dy2O3 0.0005
Ho2O3 0.0015
Tm2O3 0.002
Yb2O3 0.002
Lu2O3 0.001
Y2O3 0.002
Other combined amount of 0.001
Combined amount
0.05
Combined amount
0.10
Combined amount
0.5
Combined amount
1.0
Non-REEs
Impurity
Fe2O3 0.0005 0.001 0.001 0.002 0.005
SiO2 0.003 0.005 0.005 0.01 0.02
CaO 0.001 0.005 0.01 0.02 0.02
CuO 0.001 0.001 - - -
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