BSI BS EN 725-2:2007

Withdrawn Revision
Advanced technical ceramics. Methods of test for ceramic powders -- Determination of impurities in barium titanate

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A newer publication replaces it: BSI BS EN ISO 21813


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BSI BS EN 725-2:2007

Advanced technical ceramics. Methods of test for ceramic powders -- Determination of impurities in barium titanate

PUBLISH DATE 2007
PAGES 12
BSI BS EN 725-2:2007

This part of EN 725 describes a method for the determination of impurities in barium titanate powders using inductively coupled plasma optical emission spectroscopy (ICP-OES).

The method is applicable only to stoichiometric barium titanate.

The maximum concentrations measured for each impurity are as follows:

  • Sr 4 mg/g (4 000 ppm)
  • Ca 500 ug/g (500 ppm)
  • K 200 ug/g (200 ppm)
  • Na, Mg, Al, Fe, Nb 100 ?g/g (100 ppm)

The minimum concentration or detection limits are from 1 ug/g to 5 ug/g (1 ppm to 5 ppm).

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