DIN EN 725-1-2008 高级工业陶瓷.陶瓷粉末试验方法.第1部分:氧化铝中杂质的测定

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                   【英文标准名称】:     Advanced technical ceramics - Methods of test for ceramic powders - Part 1: Determination of impurities in alumina; English version of DIN EN 725-1:2008-06            【原文标准名称】:     高级工业陶瓷.陶瓷粉末试验方法.第1部分:氧化铝中杂质的测定            【标准号】:     DIN EN 725-1-2008            【标准状态】:     现行            【国别】:     德国            【发布日期】:     2008-06    【实施或试行日期】: 【发布单位】: 德国标准化学会(DE-DIN)【起草单位】: 【标准类型】: ()【标准水平】: ()【中文主题词】: 高级工业陶瓷;氧化铝;原子吸收光谱测定法;原子吸收分光光度测定法;原子发射光谱法;氧化钙;陶瓷粉末;陶瓷;化学分析和试验;浓缩;酸分解;测定;含量测定;分解法;热浸涂敷;ICP;杂质;铁;氧化镁;材料测试;测量;测量仪器;测量技术;氧化钾;粉末;二氧化硅;氧化钠;测试【英文主题词】: Advanced technical ceramics;Aluminium oxide;Atomic absorption spectrometry;Atomic absorption spectrophotometry;Atomic emission spectrometry;Calcium oxide;Ceramic powders;Ceramics;Chemical analysis and testing;Concentration;Decomposition by acids;Determination;Determination of content;Dissolution method;Hot dip coating;ICP;Impurities;Iron;Magnesium oxides;Materials testing;Measurement;Measuring instruments;Measuring techniquesotassium oxidesowder;Silicon dioxide;Sodium oxides;Testing【摘要】: This Part of EN 725 specifies one fusion and one acid dissolution method for the determination of elements ofsodium, potassium, iron silicon, calcium and magnesium present as impurities in alumina using atomicabsorption spectroscopy( AAS) or inductively coupled plasma (ICP) spectroscopy. For eact, dement presentas impurities, the methods are applicable to the following ranges, calculated as oxides:--  Sodium oxide       20 ppm to 6000 ppm--  Potassium oxide:     20 ppm to 100 ppm       Ferric oxide:         20 ppm to 300 ppm---  Silica:              50 ppm to 2000 ppm--  Calcium oxide:       20 ppm to 700 ppm--  Magnesium oxide:    5 ppm to 1000 ppm【中国标准分类号】: Q32【国际标准分类号】: 81_060_30【页数】: 13P.;A4【正文语种】: 英语