DIN EN 725-1:2008-06

DIN EN 725-1:2008-06

Advanced technical ceramics - Methods of test for ceramic powders - Part 1: Determination of impurities in alumina; German version EN 725-1:2007

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The document specifies methods for the determination of elements of sodium, potassium, iron, silicon, calcium and magnesium present as impurities in alumina using atomic absorption (AAS) or inductively coupled plasma (ICP) instruments. For each element present as 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.

Additional Info

Author Deutsche Institut für Normung e.V. (DIN)
Published by DIN
Document type Standard
ICS 81.060.30 : Advanced ceramics
Number of pages 13
Replace DIN EN 725-1(2007-11)
Cross references EN 725-1 (2007-09), IDT
Set MYSTD-20STD
Document history DIN EN 725-1 (2008-06),DIN EN 725-1 (2007-11),DIN EN 725-1 (2005-09),DIN EN 725-1 (1997-06),DIN EN 725-1 (1994-01)
Keyword DIN EN 725-1