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GB/T 13558-2019: Dysprosium oxide Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 13558: Historical versions
Similar standardsGB/T 13558-2019: Dysprosium oxide---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT13558-2019Dysprosium oxide ICS 77.120.99 H65 National Standards of People's Republic of China Replace GB/T 13558-2008 Yttrium oxide Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 13558-2008 "Antimony Oxide". Compared with GB/T 13558-2008, the main technical changes in this standard are as follows. --- Added normative reference document GB/T 17803 (see Chapter 2); --- Increased product classification (see 3.1); --- Added character grades (see 3.1, 3.2); --- Added the expression that all tests are in the state before the removal of moisture (see 3.2.1); --- Revised the representation method of rare earth impurity content, from the relative amount to the absolute quantity, deleted the denominator REO (see 3.2.1,.2008 edition) 3.1); --- Added total elemental analysis of rare earth impurities for product grade Dy2O3-4N (see 3.2.1); --- Added a single sheet of Yb2O3 for product grades Dy2O3-4N, Dy2O3-3N5, Dy2O3-3N, Dy2O3-2N5, Dy2O3-2N Elemental analysis (see 3.2.1); ---Modified the content of some non-rare earth impurities in the product grade Dy2O3-4N, the calcium oxide (CaO) content is not more than 0.005% is modified to not more than 0.003%, and the content of alumina (Al2O3) is modified from not more than 0.010% to not more than 0.005%. The content of silica (SiO2) is modified from not more than 0.005% to not more than 0.002% (see 3.2.1, 3.1 of.2008 edition); --- Revised the content of iron oxide (Fe2O3) in some product grades, and the content of iron oxide (Fe2O3) in Dy2O3-3N5 Not more than 0.0010% is modified to not more than 0.0020%, and the content of iron oxide (Fe2O3) in Dy2O3-3N is not more than 0.0020% modified to not more than 0.0030%, the content of iron oxide (Fe2O3) in Dy2O3-2N5 is not more than 0.0030% Changed to not more than 0.0050%, the content of iron oxide (Fe2O3) in Dy2O3-2N is modified from not more than 0.0050% to not more than 0.0100% (see 3.2.1, 3.1 of the.2008 edition); --- Increased the content of non-rare earth impurities such as sodium oxide (Na2O), sulfate (SO42-), etc. (see 3.2.1); --- Modified the amount of ignition to the sum of water and burning (see 3.2.2, 3.1 of the.2008 edition); --- Modified the analysis method of total rare earth content (REO), increased the total amount of rare earths measured above 99%, calculated by subtractive method The actual value of the total soil (see 4.1.1, 4.1 of the.2008 edition); --- Increased the relative purity of yttrium oxide (Dy2O3) (Dy2O3/REO) calculation method (see 4.1.5); --- Increased the judgment requirements for the appearance quality inspection results (see 5.5.2). This standard is proposed and managed by the National Rare Earth Standardization Technical Committee (SAC/TC229). This standard was drafted. Guangdong Zhujiang Rare Earth Co., Ltd., Zhangzhou Chenguang Rare Earth New Materials Co., Ltd., Jiangyin Jiahua New Materials Source Co., Ltd., Jixian Hongjin Rare Earth Co., Ltd., Jidong Rare Earth Group Co., Ltd., Hunan Rare Earth Metal Materials Research Institute, Dingnan Dahua New Materials Resources Co., Ltd., Jiangxi Jinshi New Materials Co., Ltd., Zhangzhou Zhanhai Industry and Trade Co., Ltd. The main drafters of this standard. Bai Yu, Jin Yanhua, Xia Qingqing, Huang Jianrong, Xiao Rui, Liang Bin, Yao Nanhong, Liu Rongli, Wang Shouhong, Zhong Yanggen, Zeng Shifa. The previous versions of the standards replaced by this standard are. ---GB/T 13558-1992, GB/T 13558-2008. Yttrium oxide1 ScopeThis standard specifies the technical requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates of antimony oxide. This standard applies to cerium oxide prepared by chemical method, mainly used as raw materials for metal bismuth and strontium iron alloys, as an additive for glass and NdFeB permanent magnet production, etc.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 12690 (all parts) Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides GB/T 14635 Chemical analysis of rare earth metals and their compounds - Determination of total GB/T 17803 Rare Earth Product Grade Representation Method GB/T 18115.9 Chemical analysis method for rare earth impurities in rare earth metals and their oxides 镝中镧,铈,镨,钕,钐,铕,钆, Determination of 铽, 钬, 铒, 铥, 镱, 镥 and 钇3 Technical requirements3.1 Product Classification The products are divided into Dy2O3-4N, Dy2O3-3N5, Dy2O3-3N, Dy2O3-2N5, Dy2O3-2N5 grades according to their chemical composition. The method of brand representation shall comply with the provisions of GB/T 17803. 3.2 Chemical composition 3.2.1 The chemical composition of the product shall comply with the requirements of Table 1. All chemical components in the table are determined before the reduction of moisture and before the reduction. If you need The product has special requirements, which can be negotiated and determined by both parties. Table 1 Chemical composition of cerium oxide Product grade Character grade Dy2O3-4N Dy2O3-3N5 Dy2O3-3N Dy2O3-2N5 Dy2O3-2N Corresponding to the original number plate 101040 101035 101030 101025 101020 chemical composition (quality fraction)/% REO, not less than 99.0 99.0 99.0 99.0 99.0 Dy2O3/REO, not less than 99.99 99.95 99.9 99.5 99.0 GB/T 13558-2019 Dysprosium oxide ICS 77.120.99 H65 National Standards of People's Republic of China Replace GB/T 13558-2008 Yttrium oxide Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issuedForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 13558-2008 "Antimony Oxide". Compared with GB/T 13558-2008, the main technical changes in this standard are as follows. --- Added normative reference document GB/T 17803 (see Chapter 2); --- Increased product classification (see 3.1); --- Added character grades (see 3.1, 3.2); --- Added the expression that all tests are in the state before the removal of moisture (see 3.2.1); --- Revised the representation method of rare earth impurity content, from the relative amount to the absolute quantity, deleted the denominator REO (see 3.2.1,.2008 edition) 3.1); --- Added total elemental analysis of rare earth impurities for product grade Dy2O3-4N (see 3.2.1); --- Added a single sheet of Yb2O3 for product grades Dy2O3-4N, Dy2O3-3N5, Dy2O3-3N, Dy2O3-2N5, Dy2O3-2N Elemental analysis (see 3.2.1); ---Modified the content of some non-rare earth impurities in the product grade Dy2O3-4N, the calcium oxide (CaO) content is not more than 0.005% is modified to not more than 0.003%, and the content of alumina (Al2O3) is modified from not more than 0.010% to not more than 0.005%. The content of silica (SiO2) is modified from not more than 0.005% to not more than 0.002% (see 3.2.1, 3.1 of.2008 edition); --- Revised the content of iron oxide (Fe2O3) in some product grades, and the content of iron oxide (Fe2O3) in Dy2O3-3N5 Not more than 0.0010% is modified to not more than 0.0020%, and the content of iron oxide (Fe2O3) in Dy2O3-3N is not more than 0.0020% modified to not more than 0.0030%, the content of iron oxide (Fe2O3) in Dy2O3-2N5 is not more than 0.0030% Changed to not more than 0.0050%, the content of iron oxide (Fe2O3) in Dy2O3-2N is modified from not more than 0.0050% to not more than 0.0100% (see 3.2.1, 3.1 of the.2008 edition); --- Increased the content of non-rare earth impurities such as sodium oxide (Na2O), sulfate (SO42-), etc. (see 3.2.1); --- Modified the amount of ignition to the sum of water and burning (see 3.2.2, 3.1 of the.2008 edition); --- Modified the analysis method of total rare earth content (REO), increased the total amount of rare earths measured above 99%, calculated by subtractive method The actual value of the total soil (see 4.1.1, 4.1 of the.2008 edition); --- Increased the relative purity of yttrium oxide (Dy2O3) (Dy2O3/REO) calculation method (see 4.1.5); --- Increased the judgment requirements for the appearance quality inspection results (see 5.5.2). This standard is proposed and managed by the National Rare Earth Standardization Technical Committee (SAC/TC229). This standard was drafted. Guangdong Zhujiang Rare Earth Co., Ltd., Zhangzhou Chenguang Rare Earth New Materials Co., Ltd., Jiangyin Jiahua New Materials Source Co., Ltd., Jixian Hongjin Rare Earth Co., Ltd., Jidong Rare Earth Group Co., Ltd., Hunan Rare Earth Metal Materials Research Institute, Dingnan Dahua New Materials Resources Co., Ltd., Jiangxi Jinshi New Materials Co., Ltd., Zhangzhou Zhanhai Industry and Trade Co., Ltd. The main drafters of this standard. Bai Yu, Jin Yanhua, Xia Qingqing, Huang Jianrong, Xiao Rui, Liang Bin, Yao Nanhong, Liu Rongli, Wang Shouhong, Zhong Yanggen, Zeng Shifa. The previous versions of the standards replaced by this standard are. ---GB/T 13558-1992, GB/T 13558-2008. Yttrium oxide1 ScopeThis standard specifies the technical requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates of antimony oxide. This standard applies to cerium oxide prepared by chemical method, mainly used as raw materials for metal bismuth and strontium iron alloys, as an additive for glass and NdFeB permanent magnet production, etc.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 12690 (all parts) Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides GB/T 14635 Chemical analysis of rare earth metals and their compounds - Determination of total GB/T 17803 Rare Earth Product Grade Representation Method GB/T 18115.9 Chemical analysis method for rare earth impurities in rare earth metals and their oxides 镝中镧,铈,镨,钕,钐,铕,钆, Determination of 铽, 钬, 铒, 铥, 镱, 镥 and 钇3 Technical requirements3.1 Product Classification The products are divided into Dy2O3-4N, Dy2O3-3N5, Dy2O3-3N, Dy2O3-2N5, Dy2O3-2N5 grades according to their chemical composition. The method of brand representation shall comply with the provisions of GB/T 17803. 3.2 Chemical composition 3.2.1 The chemical composition of the product shall comply with the requirements of Table 1. All chemical components in the table are determined before the reduction of moisture and before the reduction. If you need The product has special requirements, which can be negotiated and determined by both parties. Table 1 Chemical composition of cerium oxide Product grade Character grade Dy2O3-4N Dy2O3-3N5 Dy2O3-3N Dy2O3-2N5 Dy2O3-2N Corresponding to the original number plate 101040 101035 101030 101025 101020 chemical composition (quality fraction)/% REO, not less than 99.0 99.0 99.0 99.0 99.0 Dy2O3/REO, not less than 99.99 99.95 99.9 99.5 99.0 ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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