GB/T 12144-2009 English PDFUS$139.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 12144-2009: Terbium oxide Status: Valid GB/T 12144: Historical versions
Basic dataStandard ID: GB/T 12144-2009 (GB/T12144-2009)Description (Translated English): Terbium oxide Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H65 Classification of International Standard: 77.120.99 Word Count Estimation: 6,619 Date of Issue: 2009-04-23 Date of Implementation: 2010-02-01 Older Standard (superseded by this standard): GB/T 12144-2000 Quoted Standard: GB/T 8170; GB/T 12690; GB/T 14635; GB/T 18115.8; GB/T 20170.1-2006 Issuing agency(ies): General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 for terbium oxide products, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to terbium oxide chemical method were available for the production of fluorescent material, metal mechanical, optical glass, magnetic materials used. GB/T 12144-2009: Terbium 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.Terbium oxide ICS 77.120.99 H65 National Standards of People's Republic of China Replacing GB/T 12144-2000 Terbium oxide Posted 2009-04-23 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard replaces GB/T 12144-2000 "terbium oxide." This standard compared with GB/T 12144-2000, the main changes are as follows. --- Remove purity of not less than 99% of the grade; --- Increasing the purity of not less than 99.999% and 99.995% of the grade, the rare earth impurities assessment indicators were used to "weight" and "co-amount" Representation; --- Adjusted 091,040 in grade ferric oxide, calcium oxide, assessment indicators chlorine ions. This standard by the National Standardization Technical Committee rare and centralized. This standard by the Jiangyin Jiahua Advanced Material Resources Co., Ltd. is responsible for drafting. This standard by Guangdong Zhujiang Rare Earth Co., Ltd., Institute of Rare Earth New Materials Co., Ltd. participated in the drafting. The main drafters of this standard. OF ADMINISTRATIVE Xie Jianwei, Xiao Rui, Jin Yanhua, Zhang Yaojing. This standard replaces the standards previously issued as follows. --- GB/T 12144-1989, GB/T 12144-2000. Terbium oxide1 ScopeThis standard specifies requirements for terbium oxide products, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to chemical method were terbium oxide, for the production of fluorescent materials, metal terbium, optical glass, magnetic materials and other purposes.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 8170 numerical rounding rules 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 18115.8 rare earth metals and oxides of rare earth impurities in chemical analysis methods terbium lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, Determination of terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium content Determination of GB/T 20170.1-2006 physical properties of metals and their compounds determination of particle size distribution of the rare earth compound3 Requirements3.1 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 No. 091 050 091 045 091 040 091 035 091 030 091 025 (quality ) / REO, not less than Tb4O7/REO, not less than REO La2O3 CeO2 Pr6O11 Nd2O3 Sm2O3 Er2O3 Tm2O3 Yb2O3 Lu2O3 Eu2O3 Gd4O7 Dy2O3 Ho2O3 Y2O3 Fe2O3 CaO SiO2 Cl- Loss on ignition, not more than 99.0 99.999 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.00005 0.0001 0.0002 0.00005 0.00005 0.0003 0.001 0.003 0.01 1.0 99.0 99.0 99.995 99.99 The remaining amount together 0.001 The remaining amount together 0.002 0.001 0.002 0.001 0.002 0.001 0.002 0.0005 0.001 0.0005 0.001 0.0003 0.0005 0.001 0.002 0.003 0.003 0.01 0.02 1.0 1.0 99.0 99.0 99.0 99.95 99.9 99.5 0.05 (Eu2O3 + Gd2O3 + Dy2O3 + Ho2O3 + Y2O3) together amount 0.1 (Eu2O3 + Gd2O3 + Dy2O3 + Ho2O3 + Y2O3) together amount 0.5 (Eu2O3 + Gd2O3 + Dy2O3 + Ho2O3 + Y2O3) together amount 0.002 0.003 0.005 0.005 0.005 0.01 0.01 0.01 0.02 0.04 - - 1.0 1.0 1.0 ...... |
