YS/T 428-2012 English PDFUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. YS/T 428-2012: Niobium pentoxide Status: Valid YS/T 428: Historical versions
Basic dataStandard ID: YS/T 428-2012 (YS/T428-2012)Description (Translated English): Niobium pentoxide Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended) Classification of Chinese Standard: H63 Classification of International Standard: 77.150.99 Word Count Estimation: 7,783 Older Standard (superseded by this standard): YS/T 428-2000 Quoted Standard: GB/T 1479.1; GB/T 3249; GB/T 5314; GB/T 13390; GB/T 15076.10; GB/T 15076.11; GB/T 15076.1; GB/T 15076.12; GB/T 15076.13; GB/T 15076.14; GB/T 15076.15; GB/T 15076.16; GB/T 15076.2; GB/T 15076.3; GB/T 15076.4; GB/T 15076.5; GB/T 15076.6; GB/T 15076.7; GB/T Regulation (derived from): Ministry of Industry and Information Technology Bulletin No. 55 of 2012; industry standard filing Notice 2013 No. 1 (Total No. 157); Issuing agency(ies): Ministry of Industry and Information Technology Summary: This standard specifies the requirements pentoxide Erni, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates and contracts (or orders) content. This standard applies to liquid liquid extraction method were nio YS/T 428-2012: Niobium pentoxide---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.Niobium pentoxide ICS 77.150.99 H63 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 428-2000 Niobium pentoxide Issued on. 2012-11-07 2013-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. Instead of the standard YS/T 428-2000 "niobium pentoxide." Compared with this standard YS/T 428-2000, the main changes are as follows. --- FNb2O5-1 grades impurity element specified by the 12 kinds increased to 20 kinds; --- FNb2O5-2 grades impurity element specified by the 12 kinds increased to 20 kinds; --- FNb2O5-3 grades impurity element specified by the 14 kinds increased to 18 kinds; --- Increased detection method Nb2O5 powder Fisher particle size. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Ningxia Orient Tantalum Industry Co., Ltd., Guangdong Zhiyuan New Materials Co., Ltd, China Nonferrous Metals Industry Standards Institute of Metrology and Quality. The main drafters of this standard. Guo Tao, Liu Yanru, Zhang Jing, Baizhang Jun, Zhang Jing, Zhang Xianming, Zhangjiang Feng. Niobium pentoxide1 ScopeThis standard specifies the niobium pentoxide requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and contract (Or orders) content. This standard applies to liquid - liquid extraction method were niobium pentoxide, niobium powder for the production of superconducting materials, alloying additives, niobium and niobium carbide article, Ceramic capacitors and other purposes.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member, undated references, the latest edition (including any amendments) applies to this document. Determination of GB/T 1479.1 metal powder bulk density - Part 1. funnel method GB/T 3249 Determination of metals and their compounds Fisher particle size powder GB/T 5314 sampling powder metallurgy method GB/T 13390 metal powder specific surface area by nitrogen adsorption GB/T 15076 (all parts), chemical analysis of tantalum and niobium3 Requirements3.1 Categories Product chemical composition is divided into three grades. FNb2O5-1, FNb2O5-2, FNb2O5-3. 3.2 Chemical composition Product impurity element should be in accordance with Table 1, Nb2O5 content of 100% minus the impurities listed in Table 1, the measured content. 3.3 Physical properties The supplier shall demand side requirements to provide products Fisher particle size, bulk density, specific surface area value. Particle size less than 180μm. 3.4 appearance quality Product is white powder, no visual visible inclusions. 3.5 Other When the demand side, such products have special requirements, both parties determined by supply and demand. ...... |
