標(biāo)準(zhǔn)號：DIN EN 725-1-2008
中文標(biāo)準(zhǔn)名稱：**工業(yè)陶瓷.陶瓷粉末試驗方法.第1部分:氧化鋁中雜質(zhì)的測定
英文標(biāo)準(zhǔn)名稱：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
標(biāo)準(zhǔn)類型：Q32
發(fā)布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標(biāo)準(zhǔn)分類號：Q32
國際標(biāo)準(zhǔn)分類號：81.060.30
引用標(biāo)準(zhǔn)：EN ISO 3696;EN ISO/IEC 17025
適用范圍：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